Which sugar is not readily made from formaldehyde in experiments simulating conditions on primitive Earth?
A. ribose
B. glucose
C. fructose
D. deoxyribose
Ans: D. deoxyribose
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Shown below is the output from an automated sequencing reaction. What is the sequence of the DNA template strand?
A. 5' - CCTGATAGAGTCTCCCT - 3'.
B. 3' - CCTGATAGAGTCTCCCT - 5'.
C. 3' - GGACTATCTCAGAGGGA - 5'.
D. 5' - GGACTATCTCAGAGGGA - 3'.
E. 5' - CCTGATAGAGTCTCCCT - 3'
3' - GGACTATCTCAGAGGGA - 5'.
When Mendel crossed a true-breeding purple-flowered pea plant with a true-breeding white-flowered one, ________% of the offspring was white
a. 100 b. 50 c. 0 d. 25
A normal distribution curve contains all the possible experimental outcomes in graph form. The tall central segment of the curve represents the outcomes with the highest probability of occurrence
The average outcome, represented by the center of the data distribution, is known as what?
Refer to Figure 53-5. The survivorship curve for elephants would be represented by the curve labeled:
a. A
b. B
c. C
d. Either A or C. It would depend upon the species.
e. Elephant populations would be better represented by a curve falling between A and B.