Answer:
asexual reproduction
Explanation:
Asexual reproduction is a type of reproduction by which offspring arise from a single organism, and inherit the genes of that parent only; it does not involve the fusion of gametes, and almost never changes the number of chromosomes.
What vitamin gives carrots and sweet potatoes their orange color?
Answer:Sweet potato and carrot juice provides you with ample amounts of beta-carotene, the orange pigment that gives the juice its color. Beta-carotene breaks down into two vitamin A molecules, and your body uses this vitamin A to maintain healthy kidneys, as well as your immune system and tissues within your eyes
Explanation:
Vitamin A gives carrots and sweet potatoes their orange color.
What is beta carotene?Beta carotene is defined as the antioxidant which gives foods colour to fruits and vegetable such as carrots, pumpkins and sweet potatoes their orange color (lower levels of beta carotene are also present in yellow and dark green fruits and vegetables).
Vegetables and fruits with high levels of carotenes, such as carrots and cantaloupe, may reduce the risk of lung cancer and other types of cancer.
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Fruit bats in Central America eat bananas and other fruits. Banana plants rely on bats for pollination. What would be the MOST likely consequence on the banana crop if fruit bats were eliminated from the area?
The banana crop would increase because bats would stop eating the crops.
The banana crop would decrease because bats would no longer pollinate the crops.
The banana crop would remain constant because bees would replace the bats.
The banana crop would remain constant because the plants would adapt using asexual reproduction.
Answer:
Option B: The banana crop would decrease because bats would no longer pollinate the crops.
Explanation:
Which type of unconformity occurs when sedimentary rock overlies igneous rock?
Question 8 options:
disconformity
nonconformity
angular unconformity
conformity
Answer:
nonconformity
Explanation:
There are multiple types of unconformity that occur in nature, all of which are base on the relative position of the types of rocks. The nonconformity is one of the unconformities. This type of unconformity occurs when sedimentary rock overlies igneous or metamorphic rocks that existed there before the sedimentary rocks covered them. The nonconformity can be seen in lots of places around the world, but it is most common on places where there are water bodies like lakes, seas, oceans, ponds, marshes, or on places where there were water bodies of this type in the past.
The most striking feature of_____ is the spectacular and complex ring system
A jupiter
B Mercury
C Saturn
Answer:
saturn ! saturn is the only one out of the three that has rings
Explanation:
In which of the following cases does an atom have a positive charge? A. There are more electrons than neutrons. B. There are more neutrons than electrons. C. There are more protons than electrons. D. There are more electrons than protons.
Answer:
D. There are more electrons than protons.
Hope i'm right
Explanation:
What part of the cell does the electron transport chain take place?
A. Nucleolus
B. Mitochondria
C. Endoplasmic reticulum
D. Golgi apparatus
Hello There!
In Mitochondria, the electron transport chain takes place.
Answer:
Mitochondria
Explanation:
How many variables are altered in a good experiment? A.1 B.0 C.2 D.3
What does the Hardy-Weinberg principle relate to? A. chances of survival of an organism B. frequency of alleles in a population C. natural selection in a species D. causes of evolution among organisms
Answer: B. frequency of alleles in a population
Explanation:
According to the Hardy–Weinberg principle, both the allele and genotype frequencies in a large, random-mating population will remain constant from generation to generation if no mutation, no gene flow, and no selection occur. They are the key to the importance of the Hardy–Weinberg principle, because individual allele frequencies often change in natural populations, with some alleles becoming more common and others decreasing in frequency. Many factors can alter allele frequencies. Only five, however, alter the proportions of homozygotes and heterozygotes enough to produce significant deviations from the proportions predicted by the Hardy–Weinberg principle: mutation, gene flow, nonrandom mating, genetic drift, and selection.
Answer:
B
Explanation:
What condition is required for fermentation to occur? A. When the energy production cycle ends of the Krebs cycle B. When oxygen levels within a cell are too low for aerobic respiration C. When 20 molecules of ATP are needed D. When a glucose molecule needs to break down completely
The condition required for fermentation to occur is when the oxygen levels within a cell are too low for aerobic respiration.
Further Explanation:Cellular respirationThis is the process by which food substances such as glucose are broken down to yield energy in the form of ATP for the cells. The energy is then sued to drive cellular activities such as transport and cell division.Cellular respiration is classified into two;Aerobic respiration.Aerobic respiration is a type of respiration that takes place in living organisms in the presence of oxygen gas. The process involves the breakdown of organic compounds such as glucose to yield energy in the form of ATP and carbon dioxide together with water as byproducts.Anaerobic respiration/Fermentation Anaerobic respiration on the other hand is a type of respiration that occurs in absence of oxygen gas or in presence of low levels of oxygen gas in the cells. It involves the breakdown of organic compounds to form small amount of energy in the form of ATP and ethanol or lactic acid as byproducts.Occurrence.
Aerobic respiration occurs in three stages;
Glycolysis: This is the first stage of aerobic respiration where an organic molecule such as glucose is broken down to form 2 molecules of Acetyl-CoA and net production of 2 ATP molecules. Each glucose molecule yields two molecules of ATP and two molecules of Acetyl-CoA.Kerb's cycle: It is the second phase of aerobic respiration that involves a series of reactions catalyzed by various enzymes. Acetyl-CoA from glycolysis undergoes a series of reaction to produce six molecules of NADH, two molecules of FADH2, together with carbon dioxide and two molecules of ATP.Electron transport chain; This is the final stage of Aerobic respiration, where the six molecules of NADH and two molecules of FADH from Kreb's cycle are used to generate energy in form of ATP. This stage generates 34 molecules of ATP.Anaerobic respiration/Fermentation occurs in two stages;
Glycolysis; One glucose molecule is broken down to pyruvate and two molecules of ATP are formed.Fermentation; This is the second stage of anaerobic respiration, pyruvate from glycolysis can undergo various steps depending on the living organism. It can be converted to ethanol or lactic acid together with carbon dioxide.Keywords: aerobic respiration, anaerobic respiration, Glycolysis, kreb's cycle, Fermentation and Electron transport.
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Subject: Biology
Topic: Cellular Respiration
Sub topic: Aerobic and anaerobic respiration
A population of animals is split in half by a river. Before speciation is
completed the two halves are rejoined when a drought causes the river to run
dry. How would this impact the two populations?
O
A
The two halves would be reproductively isolated.
O
B Speciation would still occur, because the two halves would be too
different genetically to interbreed.
O
G Individuals could now freely mate, and gene flow would increase.
O
R. Traits that had developed through mutation would still exist only
in one of the halves
An impact of rejoining the two halves of animals before speciation is completed is that: C. individuals could now freely mate, and gene flow would increase.
What is speciation?Speciation can be defined as an ecological and biological process through which new species of a living organism are formed, especially due to isolation of a part.
Based on genetics, an impact of rejoining the two halves of animals before the completion of speciation is that each of them can now freely mate, and gene flow between the species would increase.
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Given y = (2x + 3)2, choose the standard form of the given quadratic equation. 0 = 25x2 0 = 4x2 + 9 0 = 4x2 + 10x + 6 0 = 4x2 + 12x + 9
Answer: [tex]y=4x^2+12x+9[/tex]
Explanation:
Given quadratic equation : [tex]y = (2x + 3)^2[/tex]
Using identity :
[tex](a+b)^2=a^2+b^2+2ab[/tex]
Put [tex]a=2x[/tex] and [tex]b=3[/tex] , then we have
[tex](2x + 3)^2=(2x)^2+(3)^2+2(2x)(3)[/tex]
[tex]\Rightarrow\ (2x+3)^2=4x^2+12x+9[/tex]
Hence, the standard form of the given quadratic equation [tex]y = (2x + 3)^2[/tex] will be :-
[tex]y=4x^2+12x+9[/tex]
Answer:
[tex]4x^2+12x+9[/tex]
Explanation:
We are given that
[tex]y=(2x+3)^2[/tex]
We have to choose standard form of given quadratic equation.
We know that
[tex](a+b)^2=a^2+b^2+2ab[/tex]
Using this identity
[tex](2x+3)^2=4x^2+9+2\times 2x\times 3[/tex]
[tex](2x+3)^2=4x^2+9+12x[/tex]
Hence, the standard form of given quadratic equation is given by
[tex]y=(2x+3)^2=4x^2+12x+9[/tex]
The region of an enzyme to which a substrate binds is called the
Hypothesis: Mallard ducks grow to a larger size when fed on corn than when fed on rhubarb
Which statement of purpose best defines the objective of an experment to test this hypothesis?
A. To see if mallards will eat corn and rhubarb
B. To determine the rate at which mallards eat corn when it is mixed with rhubarb
C. To measure the average size of mallard ducks
D. To compare the average weight of mallards raised on corn to the average weight of mallards raised on rhubarb
Answer:
I say c
Explanation:
seems really along with the question unlike b but could also be d
D. To compare the average weight of mallards raised on corn to the average weight of mallards raised on rhubarb
Which of these serves as a reference for comparison during a scientific investigation?
A)Outcome variable (dependent variable)
B) Test variable (independent variable)
C)Control group
D)Hypothesis
Answer:
c. control group
Explanation:
i took this test :)
Chicken pox is a virus that causes an itchy rash but typically does not have any major or lasting effects on an infected person. Before 1995, chicken pox parties were popular. In a chicken pox party, healthy children were brought around children who were sick with chicken pox so that they would be exposed to the virus and their immune system would learn to fight it. A vaccine for chicken pox was developed in 1995, and chicken pox parties are now rare. What best describes how vaccines have advanced science? Vaccines are more effective on ethnicities that are highly susceptible to a disease. Vaccines can determine which genes can cause disease. Vaccines can minimize lifestyle choices that allow for greater exposure to a disease. Vaccines allow for building immunity without harmful exposure because not all viruses are safe to be exposed to
Answer: yes
Explanation: well Chicken pox is a virus that causes an itchy rash but 1995
A vaccine for chicken pox was developed in 1995 Vaccines are more effective on ethnicities that are highly susceptible to a disease.
What is unique about the members of the group of fungi to which Penicillium notatum belongs? They are not important for medicine. They are not made up of hyphae. They are used in fermentation. They lost the reproductive phase.
Answer:
The correct answer is - they are not made-up of hyphae.
Explanation:
Penicillin notatum is a member of fungi and penicillin genus. These fungi are present on salted foods, inside the house in damp parts mostly.
These fungi are not made up of hyphae. Hyphae are filamentous branches that form fungi body in other fungi groups. On this genus its more of like bush or brush.
Thus, the correct answer is option - they are not made up of hyphae.
Answer:
ExplanThey are not made up of hyphae. ation:
PLEASE HELP
which statement best compares the base sequence of an mRNA molecule with that of the cDNA made from the mRNA
a. they are equal
b. they are opposite
c. they are parallel
d. they are complementary
Answer:
The correct answer will be option D (they are complementary).
Explanation:
Complementary DNA or cDNA is an edited DNA molecule synthesized from a single-stranded RNA called mRNA. The reaction of cDNA formation from mRNA is catalyzed by an enzyme called "reverse transcriptase".
The cDNA strands formed is also known as a complementary copy of mRNA as it contains no introns or non-coding sequence in its sequence similar to mRNA. cDNA is used in recombinant DNA technology to clone eukaryotic genes in prokaryotes.
Thus, option D (they are complementary) is the correct answer.
A quaternary consumer species would be expected to have a smaller population than a secondary consumer species. Please select the best answer from the choices provided T F
A quaternary consumer species would be expected to have a smaller population than a secondary consumer species is true.
What is a quaternary consumer?Quaternary consumers are usually top predators within the environment, and they eat the tertiary consumers.
Examples of quaternary consumers contains lions, wolves, polar bears, humans, and hawks.
Organisms may work under various roles, such as a bear that eats fish but also berries.
Thus, this statement is true, Quaternary consumers are usually top predators within the environment.
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which individual below would be homozygous dominant?
A.Dd
B.dd
C.DD
Answer:
the answer is option C - DD
Which system regulates and controls growth, development, and metabolism?
a. endocrine system
b. skeletal system
c. integumentary system
d. lymphatic system
Endocrine system regulates and controls growth, development, and metabolism.
Option A
Explanation :
The "endocrine system" consist of many glands which are collectively responsible for growth, development and metabolism. The hormones released from these glands controls the function of the other cells. Endocrine system forms both negative and positive feedback loops which inturn controls the release of hormones from the target cells back to the glands to stop the release of the reaction initiating hormone.
Endocrine glands are influenced with the physical factors in which the body is exposed and dealing with and releases hormone accordingly. For example due to darkness of night pineal gland releases melatonin to induce sleepiness in animals.
The endocrine system regulates and controls growth, development, and metabolism.
Explanation:The correct answer is a. endocrine system.
The endocrine system regulates and controls growth, development, and metabolism. It consists of various glands located throughout the body that produce and release hormones into the bloodstream. These hormones act as chemical messengers and help coordinate and regulate various bodily functions.
For example, the pituitary gland in the brain releases growth hormone, which is responsible for stimulating growth and development during childhood and adolescence. The thyroid gland produces hormones that regulate metabolism, while the adrenal glands produce hormones involved in the body's response to stress.
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A child has sickle-cell disease (ss) but neither parent is ill. What must be true of her parents’ genotypes? The father is heterozygous; the mother is normal. One parent has two recessive alleles. Both parents are heterozygous carriers. The mother is heterozygous; the father is normal.
Answer:
Both parents are heterozygous carriers.
Explanation:
Both parents are heterozygous carriers. Sickle Cell Anaemia is usually referred to as a recessive condition since an individual must have two copies of the sickle gene in order to have the disorder.
Since neither of the parents is ill, both of them must be heterozygous carriers for the child to have the disorder
Answer: Both parents are heterozygous carriers
Explanation:
Which of these can be found in both gymnosperms and angiosperms? Vascular tissue and enclosed seeds vascular tissue and seeds flowers and vascular tissue enclosed seeds and flowers
Answer:
B) vascular tissue and seeds.
Explanation:
Both gymnosperms and angiosperms have vascular tissue that is specialized for transport of minerals, water, and organic compounds.
Both gymnosperms and angiosperms have seeds. The only difference is that angiosperms have seeds hidden in the fruit, while gymnosperms have seeds on the surface.
gymnosperms and angiosperms have vascular tissue and seeds. Thus option B is correct.
What is the difference between gymnosperms and angiosperms?The angiosperms are vascular plants with seed containing fruits and it flower which have reproductive organs and fruits.
The Gymnosperms are the plant which have the seeds on the sporophylls directly without cover.
The lifecycle of angiosperm plants is seasonal but gymnosperm are evergreen in nature.
Angiosperm plants have unisexual or bisexual flowers while gymnosperm have cones and are unisexual.
In angiosperm the reproduction is animal dependent where as in in gymnosperm reproduction is wind dependent for spread.
Angiosperm have triploid tissue but gymnosperm have have haploid tissue.
In angiosperm the shape of the leaves are flat where as in gymnosperm plant the leaves are scale-like and needle-like.
Angiosperm plant products are used for Medications, food, clothing where as gymnosperm plant product are used for Paper, Lumber, etc.
Thus option B is correct.
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Which of the following is the smallest unit that would contain a complete copy of the entire human genome?
A) one human somatic cell
B) one human chromosome
C) all of the DNA of one human
D) one human gene
The smallest unit that would contain a complete copy of the entire human genome is one human somatic cell.
What is human genome?The human genome is the complete set of genetic instructions found in human cells. It is made up of DNA, which is organized into units called genes. These genes contain the instructions for making all of the proteins and other molecules that the body needs to function.
The human genome is made up of 23 pairs of chromosomes, which are large, thread-like structures that contain the genetic material. Each chromosome contains many genes, as well as non-coding DNA that does not encode for proteins.
One human somatic cell, such as a skin cell or a blood cell, contains a complete copy of the entire human genome, including all 23 pairs of chromosomes. This means that it contains all of the genetic instructions needed to build and maintain a human body.
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The answer is A) one human somatic cell. This is because the entire human genome, including all of our genes and DNA, is stored in nearly every cell in our body, specifically across 23 pairs of chromosomes.
Explanation:The smallest unit that would contain a complete copy of the entire human genome is A) one human somatic cell. The human genome is the entire sequence of human DNA including all of our genes and is stored across 23 pairs of chromosomes that exist in nearly every cell in our body. So, only one human somatic cell contains all the genetic information to code an entire human since it contains all 23 pairs of chromosomes.
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A person is outside exercising. Body temperature begins to rise, and the person starts to sweat. Their body temperature then returns to normal, and the body stops sweating. a Positive b Negative c Allosteric d homeopathic
Answer:
positive
Explanation:
Which tube-feeding delivery method is most likely to cause dumping syndrome?
a. Intermittent feedings
b. Bolus feedings infused into the small intestines
c. Bolus feedings infused into the stomach
d. Continuous drip feedings
Answer:
I think it's intestines
Explanation:
Answer:
c. Bolus feedings infused into the stomach
which of the following might you use to help you make observations?
Talking, Touching, Walking, Smelling
Answer:
Touching, Smelling.
Explanation:
Touching will be useful to detect stimuli like coldness and hotness.
Smelling on the other hand will help to make observations on smell and change in smell. These two are among the five senses that we use to make observations as we record what we see, hear, touch and feel, smell and taste.
Talking, touching, walking, and smelling can all be used to make observations.
Explanation:When making observations, we use our senses to gather information. In this case, talking, touching, walking, and smelling are all methods that can be used to make observations.
For example, if you are observing a flower, you can talk about its color or smell, touch its petals to feel their texture, and walk around it to observe its shape and size.
Therefore, the correct answer is that all of the options listed can be used to make observations.
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What is the binomial name of the animal for which the fvgp provides sanctuary and rehabilitation
Answer:
The binomial name of the animal is Gorrilla beringei graueri (Grauer's gorilla).
Explanation:
The acronym FVGP stands for Fernan-Vaz Gorilla Project. The organization was established in year 2000. It is an organization that rescue gorillas from bush meat trade and provide them a sanctuary, where they can roam free. Tourists are permitted to visit the sanctuary and watch the animals in their natural habitat for a fee.
The Western Low Land Gorilla, which is the only specie of gorilla that is cater for in the sanctuary is a critically endanger specie of gorilla. The binomial name of Western low land gorilla is Gorrilla beringei graueri
why would two different species have similar features or behaviors?
A.similar DNA
B.similar mutations
C.similar environmental pressures
B. similar mutations
Final answer:
Species can have similar features or behaviors if they face similar environmental pressures leading to convergent evolution or if they have a common evolutionary history indicated by homologous structures. Analogous structures can also occur when species evolve independently to have similar adaptations.
Explanation:
Two different species may have similar features or behaviors due to the convergence of form in organisms that share similar environments, a concept known as convergent evolution. For example, the arctic fox and ptarmigan both have seasonal white phenotypes to blend with the snow and ice. This occurs not due to a common ancestry, but because of similar environmental pressures that offer advantages such as camouflage from predators.
Another reason for similarities might be due to homologous structures, which are features that are similar in form and genetic makeup and indicate a close evolutionary relationship. An example of homologous structures is the similarity in bone structure of bat and bird wings. However, when similarities occur between species that aren't closely related, due to adapting to similar environmental challenges rather than common ancestry, these are referred to as analogous structures or homoplasy. Insect wings vs. bird and bat wings are an example of such analogous structures.
The fins used by fishes primarily for maneuvering are _________.
Answer:
pectoral and pelvic
Explanation:
The fins used by fishes primarily for maneuvering are pectoral and pelvic!
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What's one cause of the heat island effect? A. Pollution of groundwater B. Reduced rainfall in urban areas C. Higher albedo in urban areas D. Lower albedo in urban areas
Answer:
D. Lower albedo in urban areas
Explanation:
The heat island effect is caused by several factors, but one of the most important ones is the low albedo. This is particularly the case in the large urban areas. The large urban areas have low albedo, meaning that the solar radiation is accumulated in greater extent, and less of it is reflected back to the atmosphere. This results in an increase of the surface temperature, and the lowest parts of the atmosphere above it. The reason why this happens is that the urban areas are dominated by materials that have low reflection of the solar radiation, such as the concrete and asphalt. The concrete and asphalt are actually absorbing the solar radiation, so the their temperatures is increasing, and since they are the dominant materials, most of the area has rise in the temperatures. In practice this can easily be noticed by the people, as if the weather is warmer, in larger urban area it feels like we are in an oven, with heat surrounding us from all sides.
Answer:
D. Lower albedo in urban areas
Explanation: