The acrosome contains enzymes that:a
digest the zona pellucida.
b. digest the endometrium.
c. stimulate ovulation.
d. stimulate sperm motility.
e. inhibit premature ejaculation
a
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Which respiratory structure will connect the larynx to the bronchi?
a. Bronchial tree b. Pharynx c. Diaphragm d. Epiglottis e. Trachea
The Kaibab limestone layer of sedimentary rock is the closest to Earth’s surface; therefore ____
a. it contains fossils of extinct species only b. it contains the greatest density of fossils c. it is part of the K-Pg boundary sequence d. it is the oldest layer e. it is the youngest layer
Which of the following statements is typically false?
A) DNA is double stranded, whereas RNA is single stranded. B) DNA contains the same nucleotides as RNA. C) DNA to RNA is called transcription. D) RNA to protein is called translation.
The red-cockaded woodpecker, an endangered species, is dependent upon ________ for maintenance of its source habitat
A) thick vegetation at least 15 feet in height B) fire C) floods D) corn snakes