The type of life cycle seen in plants is called
A) haploid generations.
B) gametophyte production.
C) alternation of generations.
D) diploid generations.
Answer: C
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When does the synaptonemal complex disappear?
A) late prophase of meiosis I B) during fertilization or fusion of gametes C) early anaphase of meiosis I D) mid-prophase of meiosis II E) late metaphase of meiosis II
As a population approaches its carrying capacity, how does its growth change? Use Figure 46.5 in your text if you need help
A. The growth rate slows until N is 0. B. The growth rate slows until N is close to K. C. The growth rate slows until N is close to r. D. The growth rate stays the same. E. r changes until it is close to K.
According to the pressure flow theory, sugars move in phloem because of ________
a. negative pressure from removal of sugars at sinks b. active transport by living sieve-tube and companion cells c. all of the choices d. internal pressure building up in sieve tubes at a source
Membrane proteins that pump ions in and out of the cell are classified as enzymes.
a. true b. false