Describe the genetic material of a prokaryote.
A) DNA is arranged in several linear chromosomes.
B) A circular piece of DNA is found in the nucleus.
C) Prokaryotic chromosomes can be found in their mitochondria.
D) Circular pieces of DNA are found in the cytoplasm.
E) One long strand of DNA is found in the nucleus.
D) Circular pieces of DNA are found in the cytoplasm.
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In conifers, microspores develop into:
A. flagellated sperm B. pollen grains C. ovules D. a nucellus E. male cones
A sticky structure adapted to receive pollen is a(n) ____
a. style b. stigma c. anther d. filament e. corolla
The number of ______ vary among species.
Fill in the blank(s) with the appropriate word(s).
Which of the following best describes the function of the coenzymes NAD+ and FAD in eukaryotic cellular respiration?
(A) They participate in hydrolysis reactions by accepting protons from water molecules. (B) They participate directly in the phosphorylation of ADP to ATP. (C) They serve as final electron acceptors in the electron transport chain. (D) They accept electrons during oxidation-reduction reactions.