The gametophyte is the dominant stage in the life cycle for which of the following plant groups?
a. club mosses
b. whisk ferns
c. ferns
d. horsetails
e. liverworts
E
You might also like to view...
Why is the poly-A tail added to mRNA before it leaves the nucleus?
a. It provides a destination for movement in the cell. b. It protects against exonuclease activity. c. It notifies the cell that this molecule is “self.” d. It provides the final instructions for protein synthesis.
An artificial pacemaker supplements the actions of the
1.sympathetic nerves. 2.atrioventricular node. 3.medulla oblongata. 4.sinoatrial node. 5.heart muscle, itself.
Which of the following is not involved in the increase in blood volume in a pregnant woman?
A. renin-angiotensin-aldosterone mechanism B. an increase in blood oxygen levels C. artery expansion D. progesterone E. sodium and water retention
TCA cycle enzymes are found in the ________ ________ of eukaryotic cells.
Fill in the blank(s) with the appropriate word(s).