Which of the following characteristics of a male cardinal is MOST likely to have evolved through the process of sexual selection?
a) thick feathers
b) a pointed beak
c) excellent eyesight
d) bright red color
Answer: d) bright red color
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You have identified an enzyme that appears to be involved in the addition of palmityl group (a fatty acid) to certain proteins. Knowing that palmitoylated proteins are usually targeted for delivery to the plasma membrane, in which organelles might this enzyme be expressed?
A. Golgi apparatus and nucleus B. Golgi apparatus and endoplamic reticulum C. Endoplamic reticulum and ribosomes D. Endoplamic reticulum and nucleus Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you know about protein transport to the plasma membrane? How does it relate to the question? Consider Possibilities · What other information is related to the question? Which information is most useful? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
The grinding apparatus of the digestive system of the crayfish is/are the
a. oral teeth. b. gizzard. c. pharyngeal jaw. d. gastric mill.
Which of the following develop into seeds?
a. embryo sacs b. ovaries c. carpels d. ovules e. megaspores
Which of the following is a phase of mitosis?
A) cytokinesis B) interphase C) prophase D) S phase