AnswersLincoln Biology A-CRCumulative Exam

Cumulative Exam — Cumulative exam Answers

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During which stage of cellular respiration is glucose broken down into two molecules of pyruvic acid?

A
electron transport chain
B
glycolysis
C
Krebs cycle
D
acetyl CoA formation
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Which statement best describes how Watson and Crick's model used other scientists' work to create a model of DNA?

A
They used Chargaff's rule to determine that it contains ribose sugar.
B
They used Franklin's photo to determine that DNA was a double helix.
C
They used Levene's work to determine the number of base pairs in each strand.
D
They used Nirenberg and Matthei's studies to determine that DNA is made of nucleotides.
43

During which process is ethanol produced?

A
lactic acid fermentation
B
alcohol fermentation
C
citric acid cycle
D
electron transport chain
44

Which statement best describes an understanding of genetics that would be missing without the work of Mendel?

A
The DNA codes for traits would not be known.
B
The protein codes for traits would not be known.
C
Some alleles are dominant, and some alleles are recessive.
D
Offspring receive two copies of each allele from each parent.
45

Which term describes a pure substance that is made up of only one type of atom?

A
matter
B
rock
C
compound
D
element
46

The picture shows a carafe of olive oil.What is one of the primary functions of this food in the body?

Question illustration
A
building proteins
B
storing energy
C
providing structure to cell walls
D
carrying genetic information
47

Which was not a result of the 1898 discovery of the four blood types and advances made during the two World Wars?

A
improved blood transfusion safety
B
effective blood preservation solutions developed
C
ability to separate different parts of blood for different uses
D
all blood types were made universally compatible
48

A pea plant that has round seeds has the genotype Rr. It is crossed with a pea plant that has wrinkled seeds and the genotype rr. What is the probability that the offspring will have wrinkled seeds?

A
0 percent
B
25 percent
C
50 percent
D
75 percent
49

Consider the stage of cellular respiration that is shown in the diagram.What is the net ATP gain at this stage of cellular respiration?

Question illustration
A
2
B
4
C
32
D
36
50

Miles wants to write the equation for photosynthesis. The diagram below represents one of the molecules in the equation.Which chemical formula reflects the diagram?

Question illustration
A
6O12H6C
B
6C12H6O
C
O6H12C6
D
C6H12O6

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