The megaspore produces a plant with _________
nuclei.
a. 2
b. 7
c. 8
d. 14
e. 16
Answer: c
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How many hydrogen bonds can a water molecule form?
A. 1 B. 2 C. 3 D. 4 E. 5
Which of the following statements about phloem and xylem is true?
a. Both are driven by transpiration. b. Both have companion cells assisting the process. c. Both move fluids down or up plant stems. d. Both move sugars.
Correctly rephrase the following famous quote from J. B. S. Haldane. "I would lay down my life in order to save two brothers or __________________."
A. one son or daughter B. four cousins C. three uncles D. two nephews and one son or daughter E. two grandsons or granddaughters 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 kin selection? 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? Reflection 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?
____ contain identical DNA sequences and are held together by ____ during mitosis
a. Daughter chromosomes; hydrogen bonding b. Daughter chromosomes; ionic bonding c. Sister chromatids; spindle fibers d. Sister chromosomes; histone proteins
e. Sister chromatids; cohesin proteins