At the beginning of prophase I there are ____
strands of DNA in a developing human sperm
cell.
a. 23
b. 92
c. 46
d. half as many (as compared to somatic cell)
e. twice as many (as compared to mature
sperm)
B
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The last structure that air moves through in
mammals before entering the alveoli is(are) the a. larynx. b. bronchi. c. bronchioles. d. trachea. e. pharynx
Which of the following processes is under voluntary
control? a. filtration b. reabsorption c. urination d. secretion e. excretion
Hox genes have been identified in all bilaterally symmetric animal groups
____________________ Indicate whether the statement is true or false.
Which of the following groups contains all minerals?
A. zinc, iron, calcium and NAD+ B. iron, calcium, magnesium and zinc C. iron, magnesium, riboflavin and calcium D. zinc, glucose, iron and magnesium E. calcium, magnesium, niacin and iron