The differentiation of distinct cell types is a biological innovation that accompanied the evolution of complex multicellularity
A. true
B. false
A
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Genetic programmed cell death ____
a. occurs during zygote formation b. occurs during cleavage c. is known neurulation d. is important in morphogenesis e. is important in gastrulation
Which of the following is a characteristic of smooth endoplasmic reticulum (SER) but not rough endoplasmic reticulum (RER)?
A) Protein synthesis B) Sending vesicles to the Golgi that contain proteins that are either secreted or become part of the plasma membrane C) Steroid synthesis D) Drug and alcohol detoxification E) Steroid synthesis and drug and alcohol detoxification
The functioning of an electron transport chain is analogous to ________.
Fill in the blank(s) with the appropriate word(s).
If meiosis did not precede fertilization, what would happen to the chromosome number after each generation?
A. It would be half of the parents’ chromosome number. B. It would be two times the parents’ chromosome number. C. It would be four times the parents’ chromosome number. D. It would be eight times the parents’ chromosome number. E. It would remain the same.