BIOLOGY HIGH SCHOOL

Dna is a polymer consisting of repeating units known as

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Answer 1
Answer:

DNA is a polymer consisting of repeating units known as nucleotides.

What is a deoxyribonucleic acid (DNA)?

Deoxyribonucleic acid (DNA) can be defined as a hereditary material that is found in the cell nucleus of organisms which contains genetic information of the parent cells.

The Deoxyribonucleic acid (DNA) is made up of repeating strands of four nucleotides such as the adenine (A), thymine (T), guanine (G), and cytosine (C).

The functions of DNA to cells include the following:

  • transfer of genetic information from one cell to the next generation.
  • it helps cells to undergo the process of mutations in unfavorable conditions.

  • Others include: Transcription,cellular metabolism, DNA Fingerprinting,and gene Therapy.

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Answer 2
Answer: Dna is a polymer consisting of repeating units known as Necleotides.

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Sponges have flagellated cells called _____ that line their internal chambers and create water flow to capture food. collar cells choanocytes endoderm mesoderm
Which describes an example of ecological succession?A) A caterpillar developing into a butterfly. B) A meadow replacing a pond in its flood plain. C) A climate gradually changing over many eons and becoming colder. D) The replacement of a native species of animal with an invasive species.
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In a food web, each ____________ depends on the trophic level below it for energyA) Consumer
B) Decomposer
C) Detritivore
D) Producer

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Answer:

The correct answer would be A) consumers.

Consumers are the organisms which depend on other organisms for their energy needs.

In a food chain, the consumer consumes other organisms present on lower trophic level.

For example, cow, deer, et cetera (herbivore) are the primary consumers which consume autotrophs or green plants which are present on lowest trophic level.

Similarly, lion, tiger, et cetera are the highest consumers which feed on organisms present on lower trophic levels such as cow, deer, giraffe et cetera.
A) Consumer

The consumer relies on the trophic level below it for energy to survive.

Hope this helps :)

Bacteria are important in sewage disposal becuase they ___

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Here is my answer below : 

The bacteria is very important because when bacteria is on a substance it begins to eat the product of deposition , so my answer again is is is important because it eats the sewage disposal.   

I hope this helps
bc it eats the waste that is inside of the sewer pipes

What happens during emulsification of fat?A .Fat molecules are broken into fatty acids and glycerol by bile salts.
B Fat molecules are broken down into fatty acids and glycerol by enzymes

C. Large fat globules are broken into tiny fat droplets by bile salts
D. Digested fat is absorbed in the small intestine​

Answers

B


Explain
Wala hula hula ko lng hehehe

Of all of the biomes, this is where you will find the large, ground-dwelling megafauna. this biome is characterized by tall grasses and some scattered trees.

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The answer is Tropical Savannah.

It is a biome characterized by scattered trees and grasses. It falls between the region of tropical rein-forest and deserts biome. This region is not favorable for vegetation because not much of rain falls here.

Generally, savannah has two different seasons; a very long dry season and a very long wet season. In dry season, an average of 4 inches of rain falls and oddly it is a little cool here during dry season.

Radish flowers may be red, purple, or white. A cross between a red-flowered plant and a white-flowered plant yields all-purple offspring. The part of the radish we eat may be oval or long, with long being the dominant characteristic. The flower color trait in radishes is an example of which of the following?
A) a multiple allelic system
B) sex linkage
C) codominance
D) incomplete dominance
E) epistasis

Answers

The answer is D) incomplete dominance.

Incomplete dominance occurs when heterozygous phenotype is intermediate to the dominant homozygous and recessive homozygous phenotypes. In radish flowers, purple is intermediate to white and red flowers. So, purple color is characteristic for heterozygous phenotypes. When dominant red flowers are crossed with recessive white flowers, all offspring will be heterozygotic and with intermediate - purple color.

Final answer:

The flower color trait in radishes, as described in your question, is a classic example of incomplete dominance, as the offspring's phenotype (purple flowers) is a blend of the parental traits (red and white flowers).

Explanation:

The flower color trait in radishes, as described in your question, is an example of incomplete dominance. In incomplete dominance, neither allelic version of the trait is completely dominant, resulting in an offspring phenotype that is a blend of the parental traits.

In your presented case, neither the red flower trait nor the white flower trait is entirely dominant, which is why a cross between a red-flowered and a white-flowered radish produces all-purple offspring. This is a classic example of incomplete dominance in biology.

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Base your answer to the question on the information below and on your knowledge of biology. There are two different species of finch that live on the same small island, species A and species B. Both species successfully feed and reproduce on the island. Species A nests in pine trees and eats large seeds. Species B nests in hollowed-out dead logs and eats small insects. The factor most often acting as a selecting agent for the survival of a species in a particular location is the

Answers

The natural selection. 

Natural selection is the differences in survival and reproduction as the consequence of differences in phenotypes.
In natural selection, genotype variations that will increase the chance of survival and reproduction of some organism are preserved and will be inherited. So genotypes variations are responsible for phenotypes and, thus, help the survival of species in a particular location.
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