Contractions of the stomach muscles ____.
A. decrease following a heavy meal
B. mix gastric fluid with food to form chyme
C. begin the digestion of protein
D. begin the digestion of lipids
E. close the pyloric sphincter
Answer: B
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If a pollen grain fails to generate two sperm cells, what is the most likely result of pollination?
A. Half the seeds would develop fine, but the other half would die. B. The resulting progeny would be haploid. C. The seeds would lack either embryos or endosperm, and so would be nonviable. D. The endosperm would be smaller. Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about plant gametes and fertilization? What other information is related to the question? Choose Answer Given what you now know, what information 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?
A DUPLICATED CHROMOSOME CONSISTS OF TWO ________
Fill in the blank(s) with the appropriate word(s).
What is meant by punctuation in terms of the genetic code?
What will be an ideal response?
A first degree burn involves which of the following layers of skin?
a) epidermis only b) epidermis and part of the dermis c) epidermis and all of the dermis d) epidermis, dermis, and some muscle and bone