Answer:
Oil
Explanation:
Dead plankton falls to the bottom of the ocean and over centuries becomes oil from high pressure and heat
Answer:
The correct answer is crude oil.
Explanation:
The dead plankton settles at the bottom of the seas and oceans and because of the accumulating layers of sediments gets compressed over millions of years, resulting in the formation of crude oil. This takes place due to heat and high pressure. The extreme pressure and the heat is the source of energy, which leads to compression of tiny sea creatures and results in the formation of natural gas and oil.
Based on the information seen in the image above, what is a major difference between viruses and bacteria? A) Bacteria can reproduce but viruses cannot. B) Bacteria contain DNA and viruses contain RNA. C) All bacteria are pathogenic, but only some viruses are pathogenic. D) Viruses are surrounded by a protein coat; bacteria are surrounded by a cell wall.
Answer:
D
Explanation:
The cell wall of bacteria is mainly made up of peptidoglycans and lipid molecules while that of viruses is made up of a protein coat called a capsid. The genetic material of bacteria is mainly DNA while that of viruses varies between DNA and RNA (for retroviruses) depending on the type of virus. Bacteria can replicate outside of host while viruses cannot.
Answer:D is the correct anwser!
A patient comes to the doctor complaining of dry skin and difficulty with night vision. The patient eats mainly meat, potatoes, and rice, with very few other vegetables and no fruit or dairy. What vitamin deficiency might the doctor suspect?
A. A
B. B2
C. B6
D. C
E. E
A. Vitamin A deficiency can cause dry skin and night vision problems
Answer:
A. Vitamin A (Plato Answer)
Explanation:
a metal spoon was left in a hot bowl of soup.Explain which heating process is responsible for heating the spoon
Answer:
Conduction
Explanation:
We are given that a metal spoon was left in a hot bowl of soup which resulted in heating up of the spoon.
The heating process which is responsible for heating the spoon is conduction method of transferring heat.
Conduction occurred because bowl and spoon were at different temperatures and were in contact with each other. So the heat flowed from the hotter to the cooler object till they both had the same temperature.
Which best describes the peripheral nervous system?
Answer:
it transmits information that is received from stimuli
Explanation:
as the The brain and spinal cord is the central nervous system. The autonomic nervous is a division of the peripheral nervous system but it controls the system that controls the hart rate and stuff and the central nervous system (the brain and spinal cord as i said before) does the processing of the information received.
The peripheral nervous system (PNS) is the connection between the central nervous system and the rest of the body. It consists of the autonomic nervous system and the sensory-somatic nervous system. The PNS transmits sensory information and sends motor commands.
Explanation:The peripheral nervous system (PNS) is the connection between the central nervous system and the rest of the body. The PNS can be divided into the autonomic nervous system, which controls bodily functions without conscious control, and the sensory-somatic nervous system, which transmits sensory information from the skin, muscles, and sensory organs to the CNS and sends motor commands from the CNS to the muscles.
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A cell that develop to form the outer lining of an animal‘s body make up the
Answer:
it is the ectoderm
Explanation:
Which Statement Is The Best Summary Of The Model?
Answer:
light energy is converted into stored chemical energy
Explanation:
Light energy is converted into stored chemical energy in plants, Option B should be the right statement that summarizes the model.
What is a chloroplast?Chloroplast is a plant cell organelle that plays a major role in photosynthesis. It converts light energy into chemical energy which is responsible for the plant life on earth.
The image represents the structure of the chloroplast.Chloroplast consists of the inner membrane, outer membrane, stroma, granum, etcLight reactions of the cell take place in the thylakoid discs of the chloroplast.The stack of these thylakoid discs is called a granum.Calvin cycle also takes place in the chloroplast.Chloroplast is not present in animal cells and it serves as a major difference between plant cells and animal cells.Hence, Option B is the right answer.
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does the following statement describe a function of DNA, a function of RNA, a function of both DNA and RNA, or a function of neither DNA or RNA ? It takes the message for amino acid order for proteins to the cytoplasm, where the protein will be built; it serves as an enzyme to speed up many kinds of biochemical reactions in the cell.
A. DNA
B. RNA
C.both DNA and RNA
D. neither DNA nor RNA
HELP ME
Answer:
B. RNA
Explanation:
RNA is a type of nucleic acid that carries the information of amino acid sequence from the genes where proteins are produced from the ribosomes.The process of gene expression involves transcription, where the DNA undergoes transcription to generate messenger RNA which carries the information for protein synthesis.The mRNA then undergoes translation in the cytoplasm where the genetic information of amino acid sequence from the genes is used to make proteins in the ribosomes.A woman who is colorblind (XcXc) can expect - Select one: a. 100% of her female offspring to be colorblind b. 100% of her male offspring to be colorblind c. 50% of her female offspring to be colorblind d. 50% of her male offspring to be colorblind
Assuming she reproduces with someone who doesn't have the color blind gene:
XcXc * XCY
There are 4 combinations
XcXC
XcXC
XcY
XcY
As both of the males have the Xc gene, she can expect 100% of her male offspring to be colorblind.
A colorblind woman can expect 100% of her male offspring to be colorblind because color blindness is an X-linked recessive disorder. Her female offspring, however, would only be colorblind if they also received a colorblind X chromosome from their father.
Explanation:The subject of this question involves genetics, specifically color blindness which is an X-linked recessive disorder. When a woman is homozygous for a recessive X-linked trait like color blindness, all her male offspring will inherit this trait because they receive their only X chromosome from her. This means they will always express the trait, regardless of the allele on the Y chromosome they receive from their father. Therefore, the correct answer is that 100% of her male offspring would be colorblind.
However, her female offspring are less likely to be colorblind. Why? Because in order for them to express the trait, they must inherit the recessive colorblind allele from both parents. If they receive only one X chromosome carrying the color-blind allele (from their color-blind mother), but receive a normal X chromosome from their father, they will be carriers of the trait but will not express it.
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g Consider a cross between female flies homozygous for brown bodies and red eyes and male flies homozygous for ebony bodies and sepia eyes. Give the genotypes and the possible gametes of each set of parents.
Answer:
Female gametes AB, male gametes ab
Offspring-heterozygous genotype AaBb
Explanation:
If we name the gene for the body color with A and gene for the eye color with B and if the brown body is dominan over ebony body, while red eyes are dominant over sepia eyes, than the genotypes of the parents would be: female- AABB, male-aabb
P: AABB x aabb
Female gametes AB, male gametes ab
F1: AaBb all of the offspring would be heterozygous.
Genes for eye and body color are autosomal, not linked, with no interaction, and expressing complete dominance. Female Genotype SSEE / Gametes: SE, SE, SE, SE. Male Genotype ssee / Gametes: se, se, se, se.
--------------------------------------
Available data:
female flies ⇒h0m0zyg0us for brown bodies and red eyesmale flies ⇒ h0m0zyg0us for ebony bodies and sepia eyesWe will assume autosomal genes, not linked, with no interaction, and complete dominance.
→ Autosomal genes
Gene for eyes color
The dominant allele expresses red color, S Recessive allele expresses sepia color, sGene for body color
The dominant allele expresses brown color, E Recessive allele expresses ebony color, e→ Not linked
They assort independently from each other.
→ Complete dominance
When the dominant allele completely masks the recessive allele, we talk about complete dominance.
This is the case of individuals that are heter0zyg0us for a particular gene and express the dominant phenotype.
The dominant allele is hiding the expression of the recessive allele. Many genes show complete dominance.
→ No interaction
The presence of one of the genes, in either their dominant or recessive forms, does not affects the expression of the other gene.
Now, let us analyze the problem
Cross) female x male
Parentals) SSEE x ssee
Gametes) SE, SE, SE, SE se, se, se, se
F1) 100% heter0zyg0us for both traits, SsEe .
100% of the progeny will express red eyes and brown bodies.
---------------------------
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8. What atom is a noble gas in group 18, row 4?
A. Ar
B. Kr
C. Ne
D. Rn
Answer:
the answer is B: Kr
Explanation:
just FYI...I inserted the chart as well
Answer:
Kr
Explanation:
A scientist wants to change the DNA of a sexually reproducing organism and have the new DNA present in every cell of the organism. In order to do this after fertilization, she would change the DNA in which of the following?
testes of the father
placenta
zygote
ovaries of the mother
Answer:
the correct answer is zygote
Answer:
C ) zygote
Explanation:
I just did a test.
{Hope this helps}
Question 34 (5 points)
Which type of economy does each statement describe?
Match each item in Column A to the answer in Column B
capitalist economy
1. Producers choose what to produce.
command economy
2. The government owns most property.
command economy
The goal is economic equality.
4. Consumers' choices affect producers.
capitalist economy
Answer:
1. Producers choose what to produce - capitalist economy
2. The government owns most property - command economy
3. The goal is economic equality - command economy
4. Consumers' choice affect producers - capitalist economy
Explanation:
The capitalist and the command economies are totally different. In a capitalist economy most of the business is run and owned by private owners, while the government has only a minor role in it. The producers have the right to produce what they want, how much they want, and which way they want. The consumers are the ones that dictate the market, as they are the ones that choose from the numerous products, so the producers have to adapt to what is demanded. In the command economy the government owns pretty much everything. The business sector is run by the government, and the people in the country are all working for the government run businesses and are all equal. What is produced, how much is produced, and with what quality is set by the planners of the government, so the consumers have only limited amount of products, thus they can not really choose.
Answer:
the first person that answered is very much correct and i thank them so much for that!! thank you!
Explanation:
Sarah finds herself in the middle of the Amazon rainforest with different ecosystems. What type of ecological unit is she in?
Answer:
The answer would be biome.
Explanation:
Answer:
Biome
Explanation:
Ecosystem is sum total of biotic and abiotic factors of a geographical area. Many ecosystem together makes a biome. Biome refers to a large geographical region of land characterized by presence of specific climate, soil, plants, and animals, irrespective of its location on the earth. When Sarah finds herself in the middle of the Amazon rainforest with different ecosystems; she is in a "biome".
all of the following would employ ocean engineers EXCEPT
A the military
B coastal regions
C weather services
D scuba gear
Answer:
C
Explanation:
Ocean engineers deal with marine infrastructure. They collaborate with other professions such as marine biologists. Unlike oceanographers who study natural phenomenons in the oceans, ocean engineers are significant in developing artificial man-made structures in the oceans such as oil rigs.
What does a pyramid of biomass represent? A. Range of food webs found in one trophic level B. Percentage of energy that's passed through each trophic level C. Number of total organisms within each trophic level D. Amount of living tissue within a trophic area
Final answer:
A pyramid of biomass depicts the total mass of living tissue at each trophic level in an ecosystem, demonstrating how biomass decreases from lower to higher levels due to inefficient energy transfer.
Explanation:
A pyramid of biomass represents the amount of living tissue within a trophic level. Biomass refers to the total mass, in a unit area at the time of measurement, of living or previously living organisms within a trophic level. Pyramids of biomass show how this mass decreases from lower to higher trophic levels, because energy conversions are not 100% efficient. Only about 10 percent of the energy is passed from one trophic level to the next, with the rest being used for metabolism, growth, repair, or lost as heat. Option 'D'
An alien race known as the Wombatian Wilburys has the same genetic structure as humans (i.e., same genomes). Interestingly, the Wombatian Wilburys enjoy much of the same food as humans. Two autosomal genes are of interest:Chicken, with alleles: W = White-meat lover (dominant) and w = dark-meat lover (recessive).Potato, with alleles: M = Mashed potato lover (dominant) and m = baked potato lover (recessive).Consider a parental cross of a true-breeding White-meat loving, Mashed potato loving male with a true-breeding Dark-meat loving, Baked-potato loving female. The F1 females produced by this cross are mated with Dark-meat loving, Baked-potato loving males in a test cross. The progeny resulting from the test cross are listed below.Table 1. Counts of genotypes from F1 crossGenotype CountW-M 258W-m 259w-M 261w-m 259Are these genes linked? Recall, linked means that the distance is less than 50 centimorgans, tightly linked means that the distance is close to 0, and unlinked means that the distance is 50 centimorgans or more.A. No.B. They are on the same sex chromosome.C. The question cannot be determined from the information given.D. Yes.E. They are on the same autosome and tightly linked.
The genes for meat and potato preference in the Wombatian Wilburys are not linked, as evidenced by the roughly equal distribution of the four different genotypes in the test cross.
Explanation:Based on the genetically linked principle, when two genes are close to each other on the same chromosome, they are said to be linked, which means they are usually inherited together. However, the occurrence of the four different genotypes (W-M, W-m, w-M, w-m) in almost equal numbers in the test cross of the Wombatian Wilburys suggests that these two genes (for meat preference and potato preference) are likely to be unlinked, meaning they are not located close to each other on the same chromosome or they may even be located on different chromosomes. This is evidenced by the independent assortment and recombination of these genes leading to a roughly equal distribution of the four different genotypes.
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Fill in the blank.
What do you call the substances in the following reaction?
Carbon dioxide and water combine in a reaction to produce carbonic acid. Carbon dioxide and water are ___________________________.
Answer:
Answer is substrates
Explanation:
Cells that support neurons structurally and functionally are called B NEUROGLIA
A. soma.
B. neuroglia.
C. axons.
D. dendrites.
Answer:
B. neuroglia.
Explanation:
Neuroglia, also called glial cells are cells that support neurons structurally and functionally.
There exists two broad classes of cells in the nervous system which are:
NeuronsGliaThe neurons process information while the glia support the neuron mechanically and metabolically.
In general, there are three main types of cells that make up the nervous system including the above two.
Glial cells, or neuroglia or simply glia, are the cells that support neurons structurally and functionally. They are considered to be supporting cells and many functions are directed at helping neurons complete their function for communication.
Explanation:Glial cells, or neuroglia or simply glia, are the cells that support neurons structurally and functionally. They are considered to be supporting cells and many functions are directed at helping neurons complete their function for communication. Glial cells include astrocytes, microglia, oligodendrocytes, and Schwann cells.
Which kind of molecules passes through the lipid bilayer of the cell membrane?
Answer:
Polar
Explanation:
The lipid bilayer is a thin polar membrane of two layers of lipid molecules. They are flat sheets that form a continous barrier around the cells
A prosecuting attorney was given the forensic lab results from the blood-typing activity. She found that the crime-scene blood matched the blood type of one of the suspects’ blood. The prosecutor told the jurors that the crime-scene evidence blood matched the defendant’s blood type. She further stated that this evidence proved that the sus- pect was indeed the perpetrator of the crime.
You are the defendant’s attorney. How would you respond to the prosecutor’s argument that because the blood types matched, then the defendant is proven to be guilty of the crime?
Answer:
The blood type matching is a way too broad way to prosecute a suspect since there are about 8 universal blood groups in total. I would demand a DNA test.
Explanation:
A blood group matching is not an effective test to prove the suspect guilty as universal blood groups are of eight different types and there are very high changes that the blood group can be of someone else than the suspect.
What is Blood typing?Blood typing is the classification of blood into groups, based on the presence or absence of antibodies and the antigenic substances present on the surface of red blood cells. The antibodies are proteins in nature while the antigenic substances can be proteins, carbohydrates, glycolipids, or glycoproteins.
Blood typing cannot be used in forensic investigations as there are very high chances that the blood group found at the site of crime can match other suspects as well which will create more doubt. Therefore, a DNA test can be used as an effective technique to prove the suspect.
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I really need help !!!!
Answer:
c
Explanation:
When constructing buildings in coastal areas, humans sometimes destroy sand dunes on the beaches. This activity
A.
has no effect on environmental conditions.
B.
is harmful because the dunes serve many important functions.
C.
is beneficial because the dunes harm wildlife.
D.
is beneficial because the dunes cause beach erosion.
Answer:
The answer to your question is...
B
Explanation:
basically i had this question and it said that this was right
Answer: Option B
Explanation:
While constructing the buildings in coastal areas, human beings sometimes destroy the sand dunes in the beaches. This is not a good indication and it is an invite to various kinds of problems as it serves many important functions.
Sand dunes are present at the shorelines and it has highly specialized plants and animals that can be endangered or highly specific.
They also protect the beach from erosion and prevents the water from entering into human space upto a certain extent.
Which water-soluble vitamin may build to a toxic level?
A. folate
B. niacin
C. pantothenic acid
D. riboflavin
E. thiamin
Final answer:
While most water-soluble vitamins are excreted and not stored in the body, niacin (Vitamin B3) can build to toxic levels, causing various adverse effects.
Explanation:
The question asks which water-soluble vitamin may build to a toxic level. Water-soluble vitamins, in general, are not stored in the body to a significant extent and are excreted in the urine when consumed in excess. However, most of the vitamins listed (folate, niacin, pantothenic acid, riboflavin, thiamin) are considered safe at high intakes, but niacin (Vitamin B3) can cause toxic effects when taken in large amounts, especially in the form of supplements. This condition, known as niacin toxicity, can result in symptoms like skin flushing, itching, impaired glucose tolerance and gastrointestinal upset. As such, while all the vitamins mentioned are water-soluble, niacin is notably the one with a recognized potential for building to toxic levels if consumed excessively.
What would happen if the habitat of white-tailed deer decreases in size? A. The number of white-tailed deer will increase. B. White-tailed deer will have more food. C. The number of white-tailed deer the habitat can support will decrease. D. Weaker white-tailed deer will survive longer.
Answer:
The best answer would be C.
Explanation:
If the habitat of white-tailed deer decreases in size, the number of white-tailed deer the habitat can support will decrease.
Explanation:If the habitat of white-tailed deer decreases in size, the number of white-tailed deer the habitat can support will decrease. The available resources like food and nesting space will become limited, leading to competition among the deer. This can result in a decrease in the overall population of white-tailed deer.
For example, if a forest is fragmented or destroyed, the deer may lose access to areas with abundant food sources and suitable habitats, causing a decline in their population.
Therefore, option C - The number of white-tailed deer the habitat can support will decrease - is the correct answer.
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I just need a bit of help answering this one. (:
Explain how your chosen chordate fits into the cladogram of chordates. (Use Figure 3 to help you answer this question) I picked a wolf.
If we take the wolf as a species, then we can easily find its place and evolutionary path through this cladogram of chordates. The wolf is a vertebrate, so we start from vertebrae. It is an animal that has jaws and paired appendages. Continuing further up the cladogram we reach the development of lungs, and the wolfs have lungs for breathing. Then we come to the development of four limbs, and the wolfs have four limbs. Next comes the endothermy, meaning that the animal is able to regulate its own body temperature, thus it is warmblooded, and the wolfs are warmblooded animals. As last we come to the mammals, and the wolfs are part of the mammals, so we can classify them in that branch of the chordate cladogram.
Cinder cone volcanoes have alternating layers of ejected material.
Please select the best answer from the choices provided
T
F
Cinder cone volcanoes have alternating layers of ejected material.
Answer:
TrueFinal answer:
Cinder cone volcanoes do not have alternating layers of ejected material; this statement is false. They are built primarily from pyroclastics, while composite volcanoes have the characteristic alternating layers of lava flows and pyroclastics.
Explanation:
The statement that cinder cone volcanoes have alternating layers of ejected material is false. Cinder cones are typically built from pyroclastic material, which includes cinders, volcanic ash, and volcanic bombs that have been ejected during explosive volcanic eruptions. These cinders accumulate around the volcanic vent, forming a cone with steep sides. Unlike composite volcanoes (also known as stratovolcanoes) which indeed have alternating layers of lava flows and pyroclastics, cinder cone volcanoes are not characterized by such layering.
In contrast, composite volcanoes have steep-sided cones built from alternating flows of lava and pyroclastics. Shield volcanoes, on the other hand, have broad, low-angled slopes and are built layer on layer of fluid lava.
What group of organic molecules is made up of a sequence of an amion group, a carboxyl group, a hydrogen atom and a side chain bonded to the central carbon atom?
AProteins
B Carbohydrates
C Nucleic acids
D Lipids
Proteins is made up of a sequence of an amion group, a carboxyl group, a hydrogen atom and a side chain bonded to the central carbon atom.
Answer:A
The group of organic molecules that consist of an amino group, a carboxyl group, a hydrogen atom, and a side chain bonded to a central carbon atom is known as proteins. The side chain, or R group, varies between different amino acids.
Explanation:The group of organic molecules made up of a sequence of an amino group, a carboxyl group, a hydrogen atom, and a side chain bonded to the central carbon atom is known as Proteins. Unlike nucleic acids, lipids, and carbohydrates, proteins are the only type of molecules that have this specific structure. This structure is known as an amino acid, and many of these amino acids link together to form proteins. The side chain, or R group, varies between different amino acids, and these variations provide the diversity in protein function and structure.
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Ben bought two identical plants and placed them on opposite ends of his garden. After several days, he noticed that one grew taller than the other. Ben wants to conduct an experiment to see why one would grow more than another. Ben is in what part of the scientific knowledge process? observation hypothesis scientific question experimentation
Answer: Scientific observation
Explanation:
The reason for this is, Ben is observing the plants, coming up with questions.
Answer: Observation
Explanation:
Observation can be define as the process of visual examination, and monitoring on an entity, or process to derive a conclusion.
In this given example, Ben is likely to observe the plants to know the effect of planting them in corners.
I AM TIMED
The data from a replicated experiment are very different from the data obtained during the initial experiment.
Which statements identify possible reasons for the difference in the data? Check all that apply.
The initial experiment was not a valid experiment.
The replicated experiment was performed incorrectly.
The replicated experiment used a different laboratory.
The initial experiment involved more trials and data.
The replicated experiment changed the variables being tested.
Answer: The initial experiment was not a valid experiment.
The replicated experiment was performed incorrectly.
The initial experiment involved more trials and data.
The replicated experiment changed the variables being tested.
Explanation:
The initial experiment is the one which is conducted for the first time. The repeated experiment is the experiment is the experiment which is conducted by the researcher as done in the initial experiment so as to check the results and validity of the initial experiment.
The difference in the data occurs in the initial experiment and repeated experiment. This is because of the following reasons:
The initial experiment was not a valid experiment. : The initial experiment may consists of incorrect results due to lack of precision or application of incorrect methodology.
The replicated experiment was performed incorrectly. : The results of replicated experiment may be incorrectly performed which has resulted in yield of results which can be different to the initial experiment.
The initial experiment involved more trials and data. : The initial experiment data can be more accurate than that of the replicated data due to the fact that the initial experiment has undergone with more number of trials and data.
The replicated experiment changed the variables being tested. : The change of variables will make the methodology of the replicated experiment different from that of initial experiment. Hence, data from the two experiments will be different.
Answer:
The initial experiment was not a valid experiment. The replicated experiment was performed incorrectly. The initial experiment involved more trials and data. The replicated experiment changed the variables being tested.Explanation:
A replicated experiment is one that is performed with the same given factors and variables as an earlier experiment. This replication serves to validate the results of the previous experiment, as it must have the same results, regardless of whether they are performed in different laboratories. When the replicated hope presents different results from the previous experiment, the probable things that may have happened are:
The initial experiment was not a valid experiment. The replicated experiment was performed incorrectly. The initial experiment involved more trials and data. The replicated experiment changed the variables being tested.Please answer questions 2 and 3
Answer:
b, a for the answers Yourwlecome