Answer:
All plants, algae, and cyanobacteria which photosynthesize contain chlorophyll "a". A second kind of chlorophyll is chlorophyll "b", which occurs only in "green algae" and in the plants.
So long as all five Hardy-Weinberg conditions remain true within a population, we consider them to be at __ as evolution cannot possibly happen
gene pool
allele frequency
genetic equilibrium
allelic equilibrium
Answer:
genetic. equilibrium
Explanation:
because that is how it should be
how a mutation in DNA can lead to the symptoms of piebaldism?
Answer:
skin that lack pigmentation.
Explanation:
The KIT gene mutations responsible for piebaldism lead to a nonfunctional KIT protein. The loss of KIT signaling is thought to disrupt the growth and division (proliferation) and movement (migration) of melanocytes during development, resulting in patches of skin that lack pigmentation.
When a new mutation occurs in a somatic cell of a secually reproducing organism, what percentage of the individual's offspring are likely to inherit the mutation?-
A) 100%
b) 75%
c) 25%
D)0%
When a new mutation occurs in a somatic cell of a secually reproducing organism, what percentage of the individual's offspring are likely to inherit the mutation is 0%.
What are somatic cells?In humans, somatic cells are diploid, that means they include units of chromosomes, one inherited from every determine. DNA mutations in somatic cells can have an effect on an individual, however they can not be surpassed directly to their offspring.
As new mutation occurs in a somatic cell of a reproducing organism, then percentage of the individual's offspring are likely to inherit the mutation is 0 % as they cannot be inherited.
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how are coniferous trees trees different from deciduous trees
(select all that apply)
1. conifers roll Combs as means of reproducing.
2. conifers have waxy, needle-shaped leaves to retain water.
3. conifers drop their leaves in color seasons to conserve water
4. conifers grow berries as mean of reproducing.
Answer:
1.
2.
Explanation: i believe think of christmas trees as coniferous and maple as diciduous
Answer:
1. conifers roll Combs as means of reproducing.
2. conifers have waxy, needle-shaped leaves to retain water.
Explanation:
just go with it you be fine
The fetus receives antibodies from the mother that last several weeks after birth. This is an example of _____ immunity
Answer:
Natural passive
I hope this helps you
:)
If the base sequence on a DNA molecule is ATC, what would be the mRNA codon sequence?
If the base sequence on a DNA molecule is ATC then UAG will be the mRNA sequence.
How many mRNA codons are there?The four nucleotides found in mRNA — A, U, G, and C — can be combined in a total of 64 different ways because codons are three-letter structures. These 64 codons are made up of 61 amino acid codons and three stop signal codons, which signal the completion of protein synthesis.
A codon is a specific sequence of nucleotides on an mRNA that denotes either a stop signal during protein translation or a specific amino acid. A nucleobase (also known as base), a sugar, and a phosphate group make up a nucleotide.
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Viruses are not considered living things for all
these reasons EXCEPT
Cannot reproduce on
their own.
Do not have genetic
material.
Cannot metabolize
energy
Cannot produce
proteins.
Answer:
B. Viruses do not have genetic material.
Explanation:
Viruses are made up of genetic material which is enclosed by a capsid. It'll either have RNA or DNA as it's genetic material.
12. In the space below, list the characteristics which are referred to as "certain similarities” that
the basis for classifying organisms in the same basic group.
HELPPPP!!!! 30 pointssssssss
Some scientists have suggested that the Protista kingdom should be split into several groups instead of remaining as one group. Which of the following provides the best argument for dividing up the Protista?
1: Sporozoan Protista are more similar to the Fungi than they are to any of the other groups of Protista.
2: Colonial Protista have much more in common with other multicellular organisms than they do with unicellular Protista.
3: The Protista that have nuclei are significantly different from the rest of the Protista that lack a nucleus.
4: Protista do not have specialized cells and have varying methods to obtain their food.
Answer:
Number 4 is correct
Explanation:
I took the test and got it right
Protista do not have specialized cells and have varying methods to obtain their food. Thus, Option D is correct.
what are major characteristic features of Protista ?Protists are simple ancient unicellular eukaryotic organisms. They are neither plant nor animal and fungi, mostly live in water, on substrate, as parasite etc.
Some multicellular protists are also found such as kelp.
It has nucleus and membrane-bound organelles, autotrophic or heterotrophic depending on mode of nutrition.
A phenomenon called symbiosis is observed in this kingdom
Some protists show parasitism, for example Trypanosoma protozoa causative agent of sleeping sickness in humans.
Two locomotory organs cilia and flagella nd also pseudopodia are observed in kingdom, aerobic mode of respiration occur.
Both sexual reproduction or syngamy and asexual reproduction occur. They are classified into protozoa or animal like, fungus like, and plant-like.
Thus, Option D is correct.
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are three nucleotide units of information in mRNA that specifies a particular amino acid. They correspond to complementary sets of three nucleotides on tRNA called
Answer:
anticodontRNAs
Explanation:
bring their amino acids to the mRNA in a specific order. This order is determined by the attraction between a codon, a sequence of three nucleotides on the mRNA, and a complementary nucleotide triplet on the tRNA, called an anticodon. This anticodon also specifies the particular amino acid that the tRNA carries.
3)The Moon rises approximately one hour later every day from sunrise to sunset, as the phases of the moon progress. Why is this?:A)Earth takes 365 days to revolve around the Sun.B)Earth rotates 360 degrees on its axis in twenty-four hours.C)The Moon rotates 360 degrees on its own axis in twenty-seven days.D)The Moon’s position shifts everyday due to its revolution around the Earth
WILL MARK AS BRAINLIEST
Answer:
The answer is B
Explanation:
The earth rotates 360 degrees on its axis every 24 hours which is why we have day and night.
The parts of the spinal cord that control the upper and lower limbs are larger because more ______ are located there.
Answer:
Neuron cell bodies
Explanation:
Neuron cell bodies are located in the central nervous system, which includes the brain and spinal cord. They're also apart of the peripheral nervous system in the ganglia.
Isotopes are atoms of the same element with the same number of protons and ?
Answer:
electrons
Explanation:
Isotopes are atoms of the same element that have a different number of neutrons but the same number of protons and electrons. Having a different number of neutrons only changes the mass number of the atom, but the charge is the same.
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What are domains in biology? Question 8 options: internet website classification system highest ranking of organisms in taxonomy classification under which most dominant animals fall.
Domain is the highest ranking of organisms in taxonomy.
The correct option is b.
What do you mean by domain?Domain is the highest ranking of the biological system.
In the system there are three domains
ArchaeaBacteriaEukaryaThis is the highest classification, after this further classification of living organism is done.
Thus, the correct option is B
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The sequence below represents the organization of genetic information in the nucleus of the cell.One term in the sequence is represented by X. DNA --> X --> chromosome. The X in the sequence most likely represents a
The sequence with the correct word in place would be DNA --> Gene --> Chromosome
Organization of genetic informationThe basic unit of genetic information is the gene.
Genes are made up of a base sequence of DNA.
Genes are organized into structures known as chromosomes.
Thus, DNA --> Gene ---> Chromosomes
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Circle the correct word: Electrons contribute to an atom's (mass or volume).
Answer: Volume
Explanation: Only protons and neutrons contribute to the atom's mass, because electrons have a mass of only [tex]\frac{1}{1836}[/tex] that of the proton, so it's not even counted.
However, electrons take up 99.9% of the atom, in what is called the Electron Cloud.
Define the absorbance value displayed on the spectrophotometer.
Absorbance is the measure of the quantity of light intensity absorbed by a sample solution.
What is absorbance?Absorbance, denoted by A, is used to measure the amount of light intensity that is absorbed by a sample.
Absorbance is measured in a technique called spectrophotometry using a device called spectrophotometer. The spectrophotometer measures the intensity of light as photons of light passes through the sample.
The amount of that incident light that is absorbed by the sample is then displayed on the screen or output of the spectrophotometer.
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What five essential elements must be present to provide a proper habitat for wildlife?.
food, water, cover, space, and the arrangement of the previous 4 (animals need to be able to GET to those 4 elements)
Which statement defends the argument that agriculturalists must be patient and avoid anger when working with animals?
Buyers are interested in knowing more about the food supply.
Patience must be applied toward animals both young and old.
Agricultural best practices are often confirmed by a third party.
Poor treatment can lead to meager production and health issues.
Answer:
Poor treatment can lead to meager production and health issues.
hope this helps!
Explanation:
PLS HELP!!!!
When it comes to adaptation, survival of a species' trait through artificial selection depends on
which trait is the fittest for the environment
which trait humans desire to reproduce
which trait is the oldest for the species
which trait has more abundance in the population
Artificial selection depends on the traits which humans desire to reproduce.
What is Artificial selection?This is the type of traits which are selected based on human preference for improving them.
Humans usually improve the traits through the process of selection of which they want to reproduce hence making option B the most appropriate choice.
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The type of DNA base paring seen in DNA is called?
Answer:
complementary base pairing
Explanation:
There are chemical cross-links between the two strands in DNA, formed by pairs of bases held together by hydrogen bonds. They always pair up in a particular way, called complementary base pairing: thymine pairs with adenine (T-A)
Which part of the cell membrane is
primarily nonpolar?
A exterior
B. interior
C, neither
Answer:
it is complicated but you add 1+1 and get two
What binds to this structure on the hemoglobin molecule?.
Answer:
It is the iron atom that binds oxygen as the blood travels between the lungs and the tissues. There are four iron atoms in each molecule of hemoglobin, which accordingly can bind four molecules of oxygen.
Assuming John Stacy does not carry the methemoglobinemia allele, do a Punnett square
between Luna Fugate and John Stacy to show the possible genotypes of their children.
The genotype of the children will be AA, Aa and aa.
What is an allele?Genes occur in pairs, these pairs of genes control different traits. The pair of genes is called an allele. A gene can be dominant or recessive.
Let us assume that the gene is recessive in both Luna Fugate and John Stacy and the genes for the presence of methemoglobinemia is A while tat for its absence is a. The genotype of the children will be AA, Aa and aa.
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COMPARE AND CONTRAST RENEWABLE AND NON RENEWABLE RESOURCES. PROVIDE AN EXAMPLE OF EACH.
Answer:
Renewable resources can easily be replenished, but not always available. They are called natural resources. Wind energy, solar from the sun, etc.
Nonrenewable resources are resources we can easily run out of. They emit pollution in the air and are not natural. Coal, oil, etc.
Explanation:
When was ancestry dna born
Which group includes ALL renewable resources?
a) coal,trees,water,oil
b)water, wind,sun,plants
c)minerals,sun,natural gas, water
Answer:
option B
Explanation:
They are all renewable resources
5. Traits are passed from parents to offspring. These traits are
determined by
Answer: Genes
Explanation: Traits are determined by genes
You suspect that a newly discovered cell is undergoing photosynthesis. You add water and carbon dioxide to the cell and expose it to sunlight. What should be produced in the cell if photosynthesis is occurring
Given what we know, if the newly discovered cell is undergoing photosynthesis, it should produce sugar molecules and oxygen.
Why should we expect these substances?As with any cell that undergoes photosynthesis, the cells require some substances as the prerequisites and then expel others as the products. For photosynthesis, these substrates required are carbon dioxide and sunlight, as a result, they then produce sugar molecules as the final result, and release oxygen as a by-product.
Therefore, we can confirm that if the newly discovered cell is undergoing photosynthesis, it should produce sugar molecules and oxygen.
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Which of the following statements correctly defines geology?
a). It is the scientific study of the history of Earth and the processes that shape it
b). It is the scientific study of the history of the solar system and the process that shape it
c). It is the scientific study of the development of life on Earth and the processes that change it
d). It is the scientific study of the structure of Earth's atmosphere and the processes that change it
Answer:
A.
Explanation:
A). It is the scientific study of the history of Earth and the processes that shape it.