The head of a sperm is capped with an organelle that contains glycoprotein-digesting enzymes. What is this organelle called?
A. Zona pellucida
B. Acrosome
C. Granulosa
D. Neural cap
E. Blastula
Answer: B
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Which set contains the most closely related terms?
A) megasporangium, megaspore, pollen, ovule B) microsporangium, microspore, egg, ovary C) megasporangium, megaspore, egg, ovule D) microsporangium, microspore, carpel, ovary
A ________ hydrolyzes a protein into its constituent amino acid monomers and a ________ enzyme removes amino groups from the amino acids.
Fill in the blank(s) with the appropriate word(s).
Coconut seeds are usually dispersed via
a. air. b. animals. c. water. d. More than one of these answers is correct.
Imagine that a population of deer living on an island without any predators was threatened with overpopulation, until wolves were imported
After a couple of years, there were fewer deer, but their average running speed and the length of their legs had increased. What process accounts for the change? A) Natural selection B) Changes due to chance alone C) Inheritance of acquired characteristics D) Genetic impossibility E) Unfavorable mutations