Large pressure gradients arise in sieve tube systems by means of:
a. evaporation
b. tension
c. osmosis
d. transpiration
e. cohesion
c
Biology & Microbiology
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A, B, and C are linked genes. Recombination between A and B is 3%; between A and C is 6%; and between B and C is 9%. What is the order of these genes on the chromosome?
A) A-B-C B) A-C-B C) B-C-A D) B-A-C
Biology & Microbiology
The first fungi were most likely ____
a. airborne b. terrestrial c. arboreal d. aquatic e. amphibious
Biology & Microbiology
____ selection occurs when individuals choose mates with a particular desirable trait
a. Stabilizing b. Sexual c. Artificial d. Asexual e. Disruptive
Biology & Microbiology
Which of the following can cause vasoconstriction?
A) increase in carbon dioxide B) increase in histamine C) increase in osmolarity D) release of nitric oxide E) angiotensin II
Biology & Microbiology