9. B
10. A
11. C
Explanation:
9.
All cells require energy to power their life processes. Therefore all cells must carry some form of cellular respiration that is designed to provide energy for these processes. Usually, some form of nutrient for the cell, like glucose, is broken down, and the energy in the binds used to power the cell’s activities.
10.
ATPs are the energy currency of cells. Energy is stored in its phosphate bonds. When a cell requires energy, ATPs molecules are broken down to ADP + Pi and the energy in the broken bond is used to power the activity. The more energy is required the more ATPs are broken down. Some of this energy, however, is lost as heat energy since the process of transformation of energy is inherently inefficient.
11.
When the plant is exposed to sunlight, the light stage of photosynthesis is very active. This phase involves the use of sunlight energy to split water molecules so as to harness the high energy electrons that emanate from this process called photolysis. The energy of the electrons is harnessed to make ATPs by photophosphorylation. Oxygen is usually evolved as a byproduct. Therefore the high activity of the light stage means more oxygen is evolved.
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The statement that is true regarding cellular respiration is B. All living organisms carry out some form of cellular respiration.
The statement that is not true of energy production in cells is A. Cells release large amounts of energy in the form of heat.
The most likely occur if the light intensity is then reduced slightly during the next 48 hours is C. The rate at which oxygen is released from the plant will decrease.
Cellular respiration simply means how cells break up sugars in order to get energy which is used by the body. It should be noted that all living organisms carry out some form of cellular respiration.
In cells, energy is released in small, controlled amounts. ATP is the primary form of energy for the cell. When ATP is converted to ADP, energy is released.
In conclusion, the correct options are B, A, and C.
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Drag each label to the correct location.
Sort the examples into proper mechanisms of reproductive isolation,
Prezygotic Isolation
Postzygotic Isolation
Two species of guppies show different
mating behaviors.
A hybrid zygote of two species dies
after a few cell divisions in the
mother's womb.
Brown bears and polar bears are
separated by geographical area.
Twin closely related species
Two species of plants reproduce
Answer:
Prezygotic Isolation: Two Species of Guppies, Brown Bears and Polar Bears, Two closely Related Species of frogs.
Postzygotic Isolation: A hybrid zygote of two species, Two species of plants reproduce
Explanation:
Prezygotic isolation includes mechanisms that do not allow breeding of organisms. Postzygotic isolation includes mechanisms that cause isolation of species after fertilization.
This is the answer that I got when I submitted it on Edmentum and it said I was correct.
Prezygotic Isolation: Two Species of Guppies, Brown Bears and Polar Bears, Two Closely Related Species of frogs.
Postzygotic Isolation: A hybrid zygote of two species, Two species of plants reproduce.
What is Prezygotic isolation?Prezygotic isolation may be defined as a mechanism of reproductive isolation through which two individuals of the same species are isolated from one another prior to mating and fertilization.
Prezygotic isolation prevents the formation of a zygote. It provides the chances for natural selection.
Postzygotic isolation may be defined as a mechanism of reproductive isolation through which two individuals of the same species are isolated from one another after the event of mating and fertilization.
Therefore, it is well described above.
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A ____ is a prediction of an outcome and the basis for experimentation.
a. hypothesis
b. conclusion
c. constant
Answer: A.
Explanation: A hypothesis is what you think may happen before you actually do the experiment to see what really happens. Usually one of the first steps of an experiment.
what happened on march 22 2010
Answer: James W. Black, Scottish Nobel Prize-winning doctor and medical research scientist had died that day
Although fertilizers have been very important in increasing the food supply, there have
also been negative effects from the overuse of fertilizers. How can the overuse of fertilizers
kill crop plants?
A. It can cause salts to build up in
the soil.
B. It can cause roots to absorb too much nitrogen.
C. It can cause transpiration rates to increase.
D. It can cause soil to erode at a
faster rate.
Final answer:
Overuse of fertilizers leads to the buildup of salts in the soil, causing dehydration of plant cells and potential death of root tips, which can ultimately kill crop plants by preventing water absorption.
Explanation:
The overuse of fertilizers can kill crop plants primarily because it causes salts to build up in the soil, leading to a condition known as salinization. This buildup of salts occurs because fertilizers are composed of various plant nutrients that, much like table salt, are also salts. These salts begin to diffuse and move away from where they are applied, diluting and spreading the fertilizer. If a high concentration of fertilizer is applied, then more water is drawn from plant roots and soil, leading to dehydration and collapse of plant cells. In cases of limited soil moisture, the damage to the plant can be severe, with water being drawn out of the roots to the point where they cannot recover. Excessively high levels of salt in the soil can prevent plant roots from absorbing water efficiently, potentially causing the root tips to die.
The more mass an object has, the ____________ inertia it has
Answer: greater or more inertia it has.
Explanation: more massive objects have greater inertia and are harder to stop.
Answer:
The more mass an object has, the more inertia it has
Which state of matter is made up of particles with the greatest amount of
kinetic energy?
OA) gas
OB) solid
OC) liquid
OD) plasma
Answer:
Gas
Explanation:
Gas has the most kinetic energy while a solid has the least
What issue do you think needs to be debated as we make decisions about stem
cell research?
Answer:
However, human embryonic stem cell (hESC) research is ethically and politically controversial because it involves the destruction of human embryos. In the United States, the question of when human life begins has been highly controversial and closely linked to debates over abortion
Explanation:
Hope this help
plz ,ark brainliest
Have a nice day!!!
Final answer:
The debate on stem cell research should focus on the ethical implications of using human embryos, regulation of cell differentiation, and the balance between human ethical beliefs and medical advancements. Public opinion is often divided, reflecting a complex array of religious and secular views which policy makers need to consider.
Explanation:
One significant issue that needs to be debated regarding stem cell research is the ethical implications of using human embryos in the research. Stem cells, which can be harvested from the umbilical cord at birth, are unique as they have the potential to develop into various types of cells in the body. This uniqueness presents vast medical opportunities but also prompts ethical concerns. These concerns include the moral status of embryos, the implications of modifying human genetic material, and the possibility of creating a market for human tissues. Decisions in the field of stem cell research are not straightforward as they involve complex considerations about the regulation of cell differentiation and the various types of regulation that may occur during this process. Additionally, policymakers must reckon with public opinion, which is often divided on the subject, as shown by differing viewpoints among religious and secular groups. Pertinent questions in the ethical debate of stem cell research might include: how do we balance human ethical or ideological beliefs with evolutionary cost-benefit calculations, which should be prioritized in medical decision-making? Furthermore, comparing the ethical issues of different types of gene therapy, such as somatic cell and germ-line gene therapy, can illuminate the unique nuances each presents. The voices of patients and their families, particularly in relation to serious medical conditions, are also a vital part of the conversation on stem cell research.
if two wave crests overlap each other and one has an amplitude of 5 and the other has an amplitude of 3 what is the interference.
Explanation:
When two crests overlap, this is a constructive wave interference. This is positive wave interference involving addition of both amplitudes – whether it's two crests or two troughs of the wave. Therefore in this case;
5 + 3
= 8
The resulting wave will have a crest with an amplitude of 8 at the point of interference.
Destructive wave interference occurs when a crest meets a trough. This kind of interference involves the subtraction of the amplitudes of the two.
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Answer:
8
Explanation:
What sort of information can you get from a body fossil that you can’t get from a trace fossil?
Things like bones, teeth, shells, and leaves are considered body fossils. Trace fossils give us proof of animal life from the past. Trace fossils include things like foot prints, burrows, and fossilized poop. i dont know if this will help but it might
If one has 24 kg of Polonium and it undergoes two half-lives, how much do you have left?
A) 12 kg
B) 3 kg
C) 6 kg
D) 2 kg
Which statement correctly explains what a scientific theory is?
how much thermal energy needs to be added to 0.455 kg of benzene to heat it from 30*c to 50*c
15834 joules is the thermal energy required.
Explanation:
Specific heat capacity of benzene= 1.74 J/gK or 1740 J/Kg K
mass of benzene = 0.455 kg
temperature change= 50-30
= 20 degrees
From the formula:
Specific heat capacity= thermal energy/ (mass)*(temperature change)
thermal energy= 0.455* 1740*20 ( speicfic heat of benzene is converted
to joules per gram)
= 15834 joules
What will happen to the species in this ecosystem if the water temperature increases close to the warmest temperature shown on the diagram?
The species will either adapt, migrate, or continue the circle of life.
Answer:
Species B will survive and Species A will die out
Explanation:
I just got it right
What did Redi find in his experiment?
A.Only the broth with the flask open to the air contained living organisms.
B.Flies were not found in the sealed jars of rotting meat.
C.Both broths contained living organisms.
D.Flies were found in all of the sealed and unsealed jars of rotting meat.
Answer:
The correct option is B) Flies were not found in the sealed jars of rotting meat.
Explanation:
Redi discarded the phenomenon or hypothesis for spontaneous generation through his experiments. The hypothesis of spontaneous generation supported that live could originate from non-living things.
Through his experiments, he proved that only flies could give rise to other flies. He did experiments by keeping meat pieces in a sealed and in an open jar. The absences of the flies in the sealed jar proved that meat could not give rise to flies and only flies gave rise to other flies.
Final answer:
The correct option is B. Flies were not found in the sealed jars of rotting meat. Redi's experiment demonstrated that maggots only developed in rotting meat when flies had access to it, not in sealed jars, hence disproving spontaneous generation.
Explanation:
Francesco Redi conducted an experiment that is considered one of the first to challenge the theory of spontaneous generation—the belief that living organisms could arise from nonliving matter. In his experiment, he used jars with rotting meat to demonstrate his hypothesis that maggots only arose when flies had contact with the meat. Redi's findings showed that flies were not found in the sealed jars of rotting meat, supporting the idea that maggots were the offspring of flies and not a product of spontaneous generation. As a result, option B is the correct answer.
List the five components that an ecosystem
must contain to survive indefinitely.
Answer: In order to survive, ecosystems need five basic components: energy, mineral nutrients, water, oxygen, and living organisms.
Explanation: google
An ecosystem must contain abiotic factors, producers, consumers, decomposers, and energy flow to survive indefinitely.
Explanation:An ecosystem must contain the following five components to survive indefinitely:
Abiotic Factors: These are non-living components like sunlight, air, water, temperature, and soil that provide the necessary environment for living organisms in the ecosystem.Producers: These are plants and other autotrophic organisms that convert sunlight into food through the process of photosynthesis.Consumers: These are organisms that rely on other organisms for food. They can be further classified as primary, secondary, or tertiary consumers, depending on their position in the food chain.Decomposers: These organisms break down dead organic matter, releasing nutrients back into the ecosystem. Examples include bacteria and fungi.Energy Flow: The transfer of energy from one organism to another through the food chain. It is essential for sustaining life within the ecosystem.Learn more about Components of an ecosystem here:https://brainly.com/question/34270436
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Describing motion:
Motion (blank) is
which means it
can only be
described in
relation to another
object
(my teacher makes no sense. Help.)
Answer:
Motion: When a person changes its position with respect to its surroundings is called motion.
In motion, when a body moves from one place to another place, the body goes farther from one thing and go nearer to another thing.
For example, if a person went to office from home, when it moves the person goes nearer to the office and far away from the home.
Types of motion :
1) Translational motion
2) Rotational motion
3) Vibrational motion
In nitrogen fixation, the plant obtains the nitrogen it needs to synthesize proteins, while the bacteria obtain carbon from the plant and a secure environment to inhabit within the plant roots. Which statement best explains the symbiotic relationship between the plants and the bacteria? A) Both the plants and the bacteria benefit from the process of nitrogen fixation, showing commensalism. B) The plants benefit and the bacteria are unaffected by the process of nitrogen fixation, showing commensalism. C) Both the plants and the bacteria benefit from the process of nitrogen fixation, making it a mutualistic relationship. D) The bacteria benefit and the plants are unaffected by the process of nitrogen fixation making it a mutualistic relationship.
Explanation:
Symbiotic relationship is a relationship between two organisms in which both organism benefit each other or both are equally depended on each other.In nitrogen fixation, both the plants and the bacteria benefit from the process of nitrogen fixation,making it a mutualistic relationship or symbiotic relationship between the plants and the bacteria.in nitrogen fixation plants provide carbon and shelter to the bacteria and in return bacteria provide nitrogen to the plants which helps plants to synthesize proteins and this association shows the symbiotic or mutual association or relationship.Question 7
Explain why it is important for daughter cells to have a full set of chromosomes.
Answer:
It is important for the daughter cells to have a full set of chromosomes so that the chromosome number can be maintained in each cell type of the body of an organism.
If the chromosome number is not same in each cell, then genetic stability will not be achieved by the cells of the body. The chromosome number will not be able to be maintained in the organism's body.
What statement is true about heterozygous organisms?
Heterozygous organisms are more diverse than homozygous organisms.
Heterozygous organisms can show either the dominant or the recessive trait.
Heterozygous organisms always show the recessive traits.
Heterozygous organisms have very low genetic diversity.
Answer:
the first one is correct
Explanation:
Final answer:
Heterozygous organisms can show either the dominant or the recessive trait, due to the Law of Dominance, which states that the dominant allele masks the effect of the recessive allele in heterozygous individuals.
Explanation:
The statement that is true about heterozygous organisms from the given statements is that they can show either the dominant or the recessive trait. This is due to the Law of Dominance, which states that in a heterozygote with one dominant and one recessive allele, the dominant trait is expressed in the phenotype. Thus, heterozygous organisms (Tt) will exhibit the same phenotype as homozygous dominant organisms (TT), while the recessive trait (tt) is only expressed in homozygous recessive individuals.
Use this link to explore the niche of a giraffe, then
answer the question provided.
Describe the niche of the giraffe.
DONE
V
Answer:
the niche of the giraffe is to graze.
Explanation:
i said this and got it right on ed
What is the function of the structure identified by the red arrow?
O Food capture
O Mobility
DNA transfer
O Protection
Answer:
Protection
Explanation:
It looks like that the picture depicts bacterial cells forming a colony. The structure shown by the red arrow is a cell membrane. The principle function of the cell membrane is to protect the cell internal environment with respect to changes in the external environment. This is also called homeostasis.
For food capturing and mobility, the structure is not matching because there should be filaments or pseudopodia. Likewise, for DNA transfer, pili are required and the shown structure doesn't match that too.
Answer: Answer is D. Protection
Explanation: The arrow is pointing at the cell membrane, the cell membrane controls what is going in and out of the cell, it can also perform as a defensive barrier against things that are not good for the bacteria, therefore it is protection. Have a Good Day :)
2.The new codon that you answered for #1 codes for which amino acid? Only give the three letter prefix for your answer.
3.This type of mutation is called a __________ mutation when there is a simple change in one base of the gene sequence.
Ex:
Original:
The fat cat ate the wee rat.
Mutation:
The fat hat ate the wee rat.
4.Did this mutation have an effect on the outcome compared to the normal sequence?
Explanation:
Question 2 is incomplete.
3. A mutation that only affects a single nucleotide of nucleic acid is known as Point Mutation.
In Point mutations there is substitution of one base for another.
Example: TAT TGG CTA
TAC TGG CTA
The TAT changes to TAC which shows point mutation.
4. Yes. The point mutation have an effect on the outcome compared to the normal sequence.
When there is a change in one base of the gene it results into causing disease such as cancer, sickle cell anemia.
A silent mutation is a mutation where the new codon codes for the same amino acid as the original codon. A point mutation is a type of mutation that involves a simple change in one base of the gene sequence. The mutation in the given sequence is a point mutation where the base 'c' in the codon 'cat' was changed to 'h' in the codon 'hat'. The effect of this mutation on the outcome depends on the context and purpose of the sequence.
Explanation:The new codon that codes for the same amino acid as the original codon is called a silent mutation. For example, if the original codon is AAA for lysine, and it is mutated to AGA for arginine, both amino acids are basic amino acids and the protein may not be affected. It is important to note that a change in the third base of the codon, called the wobble base, may still permit the correct incorporation of the same amino acid into the protein.
A point mutation is a type of mutation that involves a simple change in one base of the gene sequence. This can include silent mutations, missense mutations (where the codon codes for a different amino acid), or nonsense mutations (where the codon becomes a stop codon).
Based on the given information, the mutation in the sequence "The fat hat ate the wee rat" compared to the normal sequence "The fat cat ate the wee rat" is a point mutation where the base "c" in the codon "cat" was changed to "h" in the codon "hat".
Which is true of sex-linked genes
Answer:
"They may be on one sex chromosome and not the other" is true of sex-linked genes.
Explanation:
Gender related is a function in which a gene is found on a sex chromosome. It is because the X chromosome is wide and includes a lot more genes than the shorter Y chromosome. In a sex-linked disorder, males are typically affected, because they have a single xerox of the X chromosome that contains the mutation. Prominent examples of sex-related genes in human beings are those that code for colorblindness, or those that code for hemophilia i.e incapacity to make blood clots.
A researcher incubates a cell with radiolabeled amino acids. These amino acids are incorporated into the proteins as they are synthesized by the cell. Select which piece of data would indicate the incorporation of radiolabeled amino acids during protein synthesis? A) Radioactivity levels would increase first at the nucleus, followed by the Golgi, and then the cell membrane. B) Radioactivity levels would increase first at the nucleus, followed by the ribosomes, and then the secretory vesicles. C) Radioactivity levels would increase first at the rough endoplasmic reticulum, followed by the Golgi, and then the secretory vesicles. D) Radioactivity levels would increase first at the rough endoplasmic reticulum, followed by the nucleus, and then the secretory vesicles.
Answer:
The incorporation of radiolabeled amino acids during protein synthesis occurs when the data shows the organelles involved with protein synthesis, packaging and transport, that is, radioactivity levels would increase first at the rough endoplasmic reticulum, followed by the Golgi, and then the secretory vesicles (option C).
Explanation:
Protein synthesis in the cell occurs when RNA -which contains the sequence of triplets or codons that make up the genetic code- is coupled to ribosomes.
Each codon or triplet, consisting of three nucleotides, will give instructions for specific amino acids to be incorporated into the polypeptide chain that is being synthesized in the rough endoplasmic reticulum.
The Golgi apparatus is responsible for packaging or packaging the newly synthesized proteins in secretory vesicles for transport.
In consecuense, radioactivity levels would increase in the organelles involved in protein synthesis, packaging and transport, the rough endoplasmic reticulum, Golgi apparatus and secretory vesicles, respectively.
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Answer:
c
Explanation:
took the usa test prep
Which Molecules I needed to cut and copy segment in DNA
Answer:
Biological catalyst has to be cut.
Explanation:
Enzymes are called "Biological catalyst".Enzymes are called Biological catalysts because they diminish the activation energy for reactions. As the activation energy is reduced the rate of reaction is increased.Many enzymes modify their state when substrates bind and it is known as "Induced fit".Enzymes are nothing but Protein(Biological molecules). Most of the biological reactions are catalyzed by Protein.Enzymes improve the rate of synthetic reactions without getting altered forever by the reaction.For this reason Biological catalyst are needed to be cut and copy segemnte in DNA.Which of the following correctly provides an example of the hierarchical structure of living organisms?
A.
Organisms that live in the ocean, as opposed to on land, have developed different ways to obtain oxygen.
B.
Human blood cells are specialized to transfer oxygen throughout the body.
C.
The digestive system of animals is made up of organs that work together to break down food.
D.
Reptiles and amphibians have a shared ancestry, so many of their body structures are similar.
A lineage that goes through cladogenesis, or branching evolution, is considered to have a common ancestor if numerous common ancestors, rather than just one, can be found in the lineage. Thus, option D is correct.
What features that includes common ancestry?Compared to amphibians, reptiles are actually more closely linked to birds and mammals. The scales and claws of reptiles are the primary physical distinctions between them and amphibians.
Although they were not the first tetrapods, amphibians did separate from the stock that would later, in a paleontological sense, become the amniotes.
The progenitors of contemporary reptiles and amphibians. Tetrapods are descended from a family of lobe-finned fishes known as the Sarcopterygians.
Therefore, Reptiles and amphibians have a shared ancestry, so many of their body structures are similar.
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What needed to happen before life could exist on Earth?
Answer:
The condition of the Earth had to become favourable before it could support any form of life.
The formation of the different layers around the earth like the ozone layer was necessary before life could originate. Primitive species such as some prokaryotes were able to live in hydrothermal conditions during the initial times. With the passage of time, as the concentration of oxygen increased due to photosynthetic prokaryotes, situations became favourable for eukaryotic organisms to arise.
i need a list of biotic factor listed from A to Z
Answer:
~Producers
~Consumers
~Predators
Explanation:
Biotic factors(biotic components): It can simply be defined or described as any living components that affect another organism or shape the ecosystem. These includes both animals that consume other organism within there ecosystem, and the organism that is being consumed. These biotic factors are categorized in three place as enlisted above.
The:
Producers (Autotrophs).
Consumers (Deterotroph)
Decomposers( Detritivores).
Help!!! 25 points!!!!
The hurricane center is MOST likely to be near location ___________ on Monday afternoon.
A) I
B) II
C) III
D) IV
A carbohydrate polymer composed of beta-glucose subunits is called
Answer:
Glycogen. The principal storage polysaccharide in animal cells; formed from glucose and stored primarily in the liver and , to a lesser extent, in muscle cells.
Explanation: