Answer the following questions true (T) or false (F)
1. The end of a zygote that contains less yolk is the animal pole.
2. In general, the endoderm gives rise to tissues located deeper in the body than those from the ectoderm.
3. The blastocoel is the hollow cavity in the morula.
1. TRUE
2. TRUE
3. FALSE
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Amphibians, birds, and mammals look the most similar as
A. embryos. B. adults. C. newborns. D. juveniles. E. fossils.
Which process results in genetic recombination, but is separate from the process wherein the population size of paramecium increases?
A) budding B) meiotic division C) mitotic division D) conjugation E) binary fission
Which of the following is not an attribute used to distinguish protostomes from deuterostomes?
A. origin of mesoderm B. cleavage pattern C. presence/structure of coelom D. fate of blastopore
If a person were born with the inability to produce pepsin, how would this affect his or her digestion?
A) He or she would no longer be able to absorb DNA. B) He or she would fail to metabolize glucose. C) He or she could not break down lactose. D) He or she would digest proteins with difficulty.