What is the first milk that is produced after birth called?

A. Colostrum
B. hCG
C. Chorionic lactase
D. Allantoicase
E. Prolactase


Answer: A

Biology & Microbiology

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In seedcracker finches from Cameroon, small- and large-billed birds specialize in cracking soft and hard seeds, respectively. If long-term climatic change resulted in all seeds becoming hard, what type of selection would then operate on the finch

population? A) disruptive selection B) directional selection C) stabilizing selection D) No selection would operate because the population is in Hardy-Weinberg equilibrium.

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Organelles such as mitochondria and chloroplasts contain DNA that exhibits distinct inheritance patterns depending on the type of organism

A. true B. false

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In alternation of generations, two haploid gametes fuse in fertilization to form a zygote.

A. tetraploid B. haploid C. gametophytic D. diploid E. triploid

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Polar, water-soluble hormones usually affect cells by binding to intracellular receptors.

a. true b. false

Biology & Microbiology