Mutations in genes that affect __________ may cause morphological shifts in a lineage. Fill in the blank(s) with the appropriate word(s)
ANSWER: development
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Is a ribozyme a true enzyme?
a. Yes, because it is a catalyst. b. No, because it is not a protein. c. No, because it cannot catalyze a reaction. d. Yes, because it can synthesize a protein. e. No, because it doesn't require cofactors.
Recently the focus of research in behavioral ecology has been on the contribution by behavior to an animal's reproductive success. What is this called?
A. average number of mates B. fitness C. foraging efficiency D. longevity E. rate of growth to sexual maturity
Which structure or structures function to open and close the stomata?
a. cuticle b. mesophyll c. palisade cells d. guard cells e. chloroplasts
Cells in the pancreas are responsible for producing insulin, a protein excreted from the cell and used to help regulate blood sugar levels. Since the protein will be released out of the cell in which it is made, which of the cell's ribosomes are most likely involved in its production?
What will be an ideal response?