AnswersNY-Life Science Biology Term 1 HillcrestUnit Test

Unit Test — Unit test Answers

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How has the study of mitosis affected scientists’ knowledge of cancer?

A
It led to a study of how to induce cancer cells to divide more rapidly.
B
It led to an understanding of how cancer cells divide so rapidly.
C
It led to the development of contact-inhibition regulators.
D
It led to the discovery of how to prevent cancer cells from dividing.
22
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Which organism has a backbone?

A
fish
B
jellyfish
C
grasshopper
D
octopus
23

What was Friedrich Miescher's contribution to the discovery of the genetic code?

A
He created the first photograph of the structure of DNA.
B
He discovered how the DNA bases pair together.
C
He created the first accurate model of DNA's structure.
D
He extracted and observed DNA from white blood cells.
24

If a stop codon is like a red traffic light, which is most like a green traffic light during transcription?

A
DNA
B
promoter
C
mRNA
D
nucleotide
25

Which represents a strand of RNA bases?

A
CAAGGTCTC
B
AGGTTCACA
C
CAAGGUCUC
D
TGGAACTCA

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