The inner membrane of mitochondria is permeable to ________, but not to ________.

A) protons; water
B) cations; anions
C) charged molecules; uncharged molecules
D) uncharged molecules; charged molecules


D) uncharged molecules; charged molecules

Biology & Microbiology

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When many species share a similar characteristic because the species have originated from a common ancestor, the characteristic can be described as which of the following?

a. an analogous characteristic b. a vestigial characteristic c. a homologous characteristic d. a convergent characteristic

Biology & Microbiology

In the biology lab, you are shown petri dishes of cheek cell cultures. One set of cells is thin, with individual cells arranged in a single, orderly layer. The other culture shows irregular crowding of cells. The crowding cells are likely cancer cells, showing an absence of

A. telomerases. B. All of the answer choices are correct. C. oncogenes. D. contact inhibition. E. angiogenesis.

Biology & Microbiology

Recombination frequency differs between males and females. Which sex has a higher rate of recombination, heterogametic (males) or homogametic (females)?

What will be an ideal response?

Biology & Microbiology

Pain receptors and receptors that monitor and maintain homeostasis typically do not adapt

Indicate whether the statement is true or false

Biology & Microbiology