Assuming that they all belong to the same plant, arrange the following structures from largest to smallest
1. antheridia
2. gametes
3. gametophytes
A) 2, 3, 1
B) 2, 1, 3
C) 3, 2, 1
D) 3, 1, 2
D
Biology & Microbiology
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Coenzymes that bind tightly to enzymes are called ____
a. cofactors b. appendages c. regulatory groups d. prosthetic groups e. magnetic groups
Biology & Microbiology
Microtubules have an outer diameter of
A) 7 nm. B) 8—12 nm. C) 25 nm. D) 7 mm. E) 25 mm.
Biology & Microbiology
In the accompanying figure, the structure in which you would find microsporocytes is labeled as _____
a. 1 b. 2 c. 6 d. 9 e. 10
Biology & Microbiology
Which chemical characteristic makes phosphoenolpyruvate (PEP) unusual?
a. PEP regulates the activity of phosphofructokinase. b. PEP can carry out redox reactions. c. PEP provides high-energy electrons to make ATP. d. PEP supplies a high-energy phosphate to phosphorylate ADP
Biology & Microbiology