Having legs longer than your arms is an example of:
a. an allometric growth pattern.
b. an adaptive growth pattern.
c. an allopatric growth pattern.
d. paedomorphosis.
e. a preadaptation.
A
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Phospholipase is an enzyme that cleaves the phosphate head group off a phospholipid molecule. The plasma membrane is not, however, permeable to the enzyme
Imagine a cell where phospholipid A is present in the monolayer facing the exterior of the cell, and phospholipid B is present in the monolayer facing the interior of the cell. After adding phospholipase to the medium in which the cell is growing, what would you expect to find in the fluid surrounding the cell? A. the phosphate head group from phospholipid A only B. the phosphate head group from phospholipid B only C. phosphate head groups from both phospholipids A and B D. phosphate head groups from neither phospholipids A nor B
Weight loss dieting in humans has been shown to
a. increase absolute abundance of Firmicutes bacteria b. decrease absolute abundance of Firmicutes bacteria c. increase relative abundance of Firmicutes bacteria d. decrease relative abundance of Firmicutes bacteria e. not affect bacterial populations in human intestines
In chemical bonding, when the bonded atoms share electrons, it is specifically called ________.
A. a polar bond B. a hydrogen bond C. an ionic bond D. a covalent bond
Which statement about chimpanzee behavior is true?
A) Only female chimpanzees are organized in a dominance hierarchy. B) Alpha males assert their status by making plant stems into tools for food extraction. C) Social primates do not show reconciliation-type behaviors. D) Grooming behavior is crucial to maintaining relationships within chimpanzee groups.