In a population of 2400 long horn sheep, 400 males and 750 females breed each season. What percentage of the actual population is the effective population size?
A. ~48%
B. ~43%
C. ~27%
D. ~65%
E. ~17%
B. ~43%
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Energy from ATP is transferred to the reactant of an endergonic reaction by addition of a(n) _____ group to that
molecule..
a. nitrate b. ribose c. deoxyribose d. acetyl e. phosphate
Where would Methanococcus likely not be found?
a. in anoxic environments b. in swamps c. in the intestines of a cow d. in anaerobic environments e. in aerobic environments
An -NH2 group is a(n) ____ group
a. carboxyl b. hydroxyl c. amine d. methyl e. carbonyl
The observations of Hooke and van Leeuwenhoek documenting the existence of microscopic cells formed the basis of what important theory?
a. the germ theory of disease and causative agents b. the theory of spontaneous generation, which held that life forms could arise spontaneously c. the theory of chemotherapy, or use of antimicrobials to destroy pathogenic organisms d. the cell theory, stating that all living things are composed of cells