The spindle begins to form in 

A. telophase I.
B. prophase I.
C. interphase.
D. telophase II.


B. prophase I.

Biology & Microbiology

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Which of the following statements best summarizes the Krebs cycle? a. One six-carbon glucose molecule is broken down to two three-carbon pyruvate molecules

b. NAD+ is regenerated in the final steps of this energy-releasing pathway. c. Acetyl-CoA is broken down to CO2, producing ATP and reduced coenzymes. d. Electrons are passed along an electron transfer chain, pumping protons across the inner mitochondrial membrane.

Biology & Microbiology

In pines, the female gametophyte contains _____, each of which contains a(n) _____.

a) archegonia ... egg b) antheridia ... egg c) antheridia ... sperm cell d) archegonia ... sperm cell e) microsporangia ... egg cell

Biology & Microbiology

Which part of the ATP molecule breaks free of the rest when an ATP molecule releases energy?


A) part A
B) part B
C) part C
D) part D

Biology & Microbiology

A cell contains eight chromosomes at the end of prophase I. How many chromosomes will be in each daughter cell at the end of prophase II?

A) 4 B) 32 C) 8 D) 16

Biology & Microbiology