Conifers are characterized by all of the following
EXCEPT
a. thick cuticles.
b. intolerance to warm climates.
c. needle-shaped leaves.
d. recessed stomata.
e. adaptations for conserving water.
Answer: b
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DNA polymerase III has the ability to begin synthesis of the new daughter strands immediately following the formation of the replication fork
Indicate whether the statement is true or false
Which of the following is a step in a PCR?
A. DNA is cooled to a temperature at which the hydrogen bonds holding the strands break. B. The primers anneal to the complementary sequences on the template DNA C. DNA gyrase enzyme relieves the supercoiling ahead of the replication fork. D. The DNase I synthesizes a new strand of DNA that is complementary to the template DNA.
The first evidence of a connection between genes and metabolism came from studies of alkaptonuria
conducted by ____.
a. Beadle and Tatum b. Griffith c. Watson and Crick d. Garrod e. Nirenberg and Leder
Below is a set of experimental results relating the growth (+) of Neurospora on several media (MM = minimal medium). Based on the information provided, present the biochemical pathway and the locations of the metabolic blocks
Strain Medium MM MM+A MM+B s111 - + + t60 + + + s211 - - +