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Furkat [3]
3 years ago
5

13) Which molecule is used by cells as an energy source?​

Biology
1 answer:
Bumek [7]3 years ago
5 0

Answer: sugar molecule ( carbohydrates)

Explanation:

The molecule used by cells as a source of energy is found in a sugar molecule / glucose because energy is the smallest unit or end product of sugar , glucose and staples

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How homologous structures and vestigial structures are evidence of evolutionary relationships.
natali 33 [55]

Answer:

Due to presence of these structures in ancient as well as modern organisms.

Explanation:

Homologous and vestigial structures are the evidences that show  evolutionary relationships between organisms because these structure were also present in the ancient ancestor of that organism. These homologous and vestigial structures shows the relationship between the ancient and the modern organisms. Some structure has a purpose and function in the body of ancient organisms but with the passage of time those structure are useless and have no function in the body but these structure shows connection between modern and ancient organisms.

3 0
3 years ago
Name classifications of matter used In the 1800
Veronika [31]
The choices can be found elsewhere and as follows:

<span>atural and synthetic
metabolites and nonmetabolites
proteins, carbohydrates, lipids, and nucleic acids
organic compounds and inorganic compounds

I think the correct answer from the choices is the third option. The c</span>lassifications of matter used In the 1800 are proteins, carbohydrates, lipids, and nucleic acids. Hope this helps.
8 0
3 years ago
I need help ASAP please
Orlov [11]

I believe your Answer would be:

A: Sister Chromatids.

Explanation:

A sister chromatid refers to the identical copies (chromatids) formed by the DNA replication of a chromosome, with both copies joined together by a common centromere. In other words, a sister chromatid may also be said to be 'one-half' of the duplicated chromosome.

Hope I helped, if so may I get brainliest and a thanks?

Thank you, Have a good day! =)

4 0
3 years ago
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