What is the term for a section of a DNA molecule that codes for proteins?(1 point)

Question

Responses

gene
gene

chromosome
chromosome

deoxyribose
deoxyribose

cytosine

Eukaryotic chromosomes tend to be much larger than prokaryotic chromosomes. In order to package these large chromosomes into the nucleus, which family of proteins are used by the cell?(1 point)
Responses

DNA polymerases
DNA polymerases

histones
histones

transcription factors
transcription factors

RNA polymerases
RNA polymerases

Which of the following choices correctly compares prokaryotic and eukaryotic chromosomes?(1 point)
Responses

Prokaryotic chromosomes are wrapped into structures called nucleosomes.
Prokaryotic chromosomes are wrapped into structures called nucleosomes.

Prokaryotic chromosomes are linear while eukaryotic chromosomes are circular.
Prokaryotic chromosomes are linear while eukaryotic chromosomes are circular.

Prokaryotes tend to only have one chromosome while eukaryotes have many.
Prokaryotes tend to only have one chromosome while eukaryotes have many.

Prokaryotic chromosomes are typically much larger than eukaryotic ones.

Which answer choice below correctly describes the structure of DNA?(1 point)
Responses

Sugar-nitrogen base backbone with phosphates in the middle forming a double helix.
Sugar-nitrogen base backbone with phosphates in the middle forming a double helix.

A sugar-phosphate backbone with nitrogen bases in the middle forming a double helix.
A sugar-phosphate backbone with nitrogen bases in the middle forming a double helix.

Nitrogen bases on the outside with sugar-phosphate in the middle of a double helix.
Nitrogen bases on the outside with sugar-phosphate in the middle of a double helix.

Sugar-phosphate backbone with nitrogen bases coming off a single helix.

Chromosomes in eukaryotes are made of DNA wrapped around proteins. What is the combination of DNA and protein called?(1 point)
Responses

histones
histones

genes
genes

alleles
alleles

nucleosomes

please double check and provide an answer key

Answer 1

Here are the correct answers for each question in the quiz:

1. What is the term for a section of a DNA molecule that codes for proteins?

   • Answer: gene

2. In order to package these large chromosomes into the nucleus, which family of proteins are used by the cell?

   • Answer: histones

3. Which of the following choices correctly compares prokaryotic and eukaryotic chromosomes?

   • Answer: Prokaryotes tend to only have one chromosome while eukaryotes have many.

4. Which answer choice below correctly describes the structure of DNA?

   • Answer: A sugar-phosphate backbone with nitrogen bases in the middle forming a double helix.

5. What is the combination of DNA and protein called?

   • Answer: nucleosomes

Answer Key:

1. gene
2. histones
3. Prokaryotes tend to only have one chromosome while eukaryotes have many.
4. A sugar-phosphate backbone with nitrogen bases in the middle forming a double helix.
5. nucleosomes

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