Which of the following statements is true?

1 answer:

6 0

Lipids contain more energy that carbohydrates because they contain more carbon to hydrogen bonds to release energy when broken.

<span>A macromolecule is a large molecule. There are four groups of macromolecules: carbohydrates, proteins, nucleic acids and lipids. Lipids consist of glycerol and fatty acids and are constructed from fats, oils, waxes, phospholipids and steroids. A lipid's function is to insulate the body and provide warmth in cold conditions. It can be concluded that a person with very little body fat gets very cold easily and a person with a lot of body fat gets very warm very quickly.
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. The separation of DNA strands moves outward from the origin via the action of ___________, which untwists the double helix and

Licemer1 [7]

Answer:

<h2>Helicase, topoisomerase ii /gyrase, single strand binding proteins.</h2>

Explanation:

DNA replication is the process in which DNA is replicated with the help of various enzymes and proteins..

Helicase is the enzyme which unwind the DNA strands, After unwinding, topoisomerase removes these twists. Single strand binding proteins stabilize the single strands of DNA during replication.

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2 years ago

Mendel carried out his research on garden peas. You should remember that he used seven pairs of traits. Modern geneticists have

Goshia [24]

Answer:

A. the two genes on chromosome 1 are more than 50 mu apart.

Explanation:

Two or more genes present on the same chromosomes are the linked genes. Linked genes do not assort independently and do not exhibit crossing over. Therefore, the linkage of genes results in deviations from Mendel's law of independent assortment. However, if the linked genes are present far from each other on the same chromosome, they may exhibit crossing over.

The greater the distance between the linked genes, the higher are the chances of crossing over. Crossing over of linked genes would result in some of the progeny to have the new gene combinations as it occurs during an independent assortment of two genes. Therefore, Mendel observed an independent assortment of two genes present together on chromosome 1 since they were present far apart from each other (more than 50 mu apart).

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2 years ago

The rod and cone cells are located within which layer of the eye?

bulgar [2K]

sclera choroid, <span>also known as the choroidea or </span>choroid<span>coat, is the vascular layer of the eye, containing connective tissues, and lying between the retina and the </span>sclera<span>.</span>

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2 years ago

Your science class has taken swabs throughout the school. The image shows the petri dish containing a bacterial culture that dev

tresset_1 [31]

Answer:

answer is D

Explanation:

because that is the correct one

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1 year ago

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An ecology research project aims to understand how reducing habitat size impacts extinction rates of a beetle species. Relevant

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ANSWER: POPULATION ECOLOGY

EXPLANATION:

The scientific field that deals with populations (i.e all individuals of a single species inhabiting a community) and how they interact with their extrinsic environment, is referred to as POPULATION ECOLOGY.

Thus, it's categorized under population ecology, because the research depicts how the number of individuals (beetles) in a population changes in time and the gross impact on their number decrease and loss of all the individuals (extinction) over a period of time.

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2 years ago

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