Which of the following molecules is not a carrier of electrons in the electron transport system (ETS)?

A) flavoproteins
B) copper-nickel compounds
C) cytochromes
D) iron-sulfur proteins
E) coenzyme Q


B) copper-nickel compounds

Biology & Microbiology

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When crossing an organism that is homozygous recessive for a single trait with a heterozygote, what is the chance of producing an offspring with the homozygous recessive phenotype?

A) 0% B) 25% C) 50% D) 75% E) 100%

Biology & Microbiology

Cellular respiration is the process by which ____ and ____ are converted to water and carbon dioxide

during the formation of cellular energy

a. CO2; glucose b. CO2; fats c. O2; CO2 d. O2; glucose e. ATP; O2

Biology & Microbiology

When an action potential arrives at the axonal bulb, ________ channels open in the presynaptic membrane, which causes neurotransmitter to be released into the synaptic cleft

Fill in the blank(s) with correct word

Biology & Microbiology

The common cold is caused by a

A) bacterium. B) prion. C) virus. D) viroid. E) fungus.

Biology & Microbiology