Question 1
A) What is the term for a section of a DNA molecule that codes for proteins?(1 point)
chromosome
cytosine
gene
deoxyribose
Question 2
A) 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)
DNA polymerases
transcription factors
RNA polymerases
histones
Question 3
A) Which of the following choices correctly compares prokaryotic and eukaryotic chromosomes?(1 point)
Prokaryotic chromosomes are typically much larger than eukaryotic ones.
Prokaryotes tend to only have one chromosome while eukaryotes have many.
Prokaryotic chromosomes are wrapped into structures called nucleosomes.
.
Prokaryotic chromosomes are linear while eukaryotic chromosomes are circular.
Question 4
A) Which answer choice below correctly describes the structure of DNA?(1 point)
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.
Sugar-phosphate backbone with nitrogen bases coming off a single helix.
Sugar-nitrogen base backbone with phosphates in the middle forming a double helix.
Question 5
A) Chromosomes in eukaryotes are made of DNA wrapped around proteins. What is the combination of DNA and protein called?(1 point)
genes
histones
chromatin
nucleosomes
I need them quickly
Answers: 3
Biology, 22.06.2019 13:50
The serengeti plains are part of the african savanna ecosystem and are home to a variety of different species of plants and animals. the serengeti plains experience a seven-month period of seasonal drought each year, during which the ecosystem receives only four inches of rain and the availability of some resources becomes very scarce. which type of limiting factors does the seasonal drought in the serengeti plains affect?
Answers: 2
Biology, 22.06.2019 16:00
One reason scientists are trying to develop fuel sources from corn and sugar is because these sources are renewable fossil fuels are being depleted these crops can be widely grown all of the above
Answers: 2
Question 1
A) What is the term for a section of a DNA molecule that codes for proteins?(1 point)
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