Which of the following undergoes meiosis during the development of pollen grains?
A) Megaspore
B) Generative nucleus
C) Microspore
D) Microspore mother cell
E) Megaspore mother cell
D
Biology & Microbiology
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Four of the five structures listed below participate in
a common function. Select the exception. a. sensory neuron b. medulla c. interneuron d. effector e. receptor
Biology & Microbiology
Osteoclasts function in bone remodeling to
a. free mineral ions. b. stimulate blood cell formation. c. accelerate bone repair. d. lay down a bony matrix. e. do all of these.
Biology & Microbiology
Fraternal twins
A. have exact copies of each other's DNA. B. are usually of opposite sex. C. are only as alike as any other siblings. D. will usually occur at the first pregnancy.
Biology & Microbiology
Which of the following is filtered from blood but NOT normally found in urine?
a. water b. red blood cells c. H+ d. amino acids e. urea
Biology & Microbiology