Which is true of the breakdown of polymers inside living cells?

A.) it occurs without the need for enzymes
B.) it is energetically unfavorable
C.) it is associated with a negative change in free energy


Answer: C.) it is associated with a negative change in free energy

Biology & Microbiology

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Nutrients and antibodies move across the placenta from mother to embryo or fetus, as do __________,

which can cause birth defects. Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

The lactose analog isopropyl-beta-D-thio-galactoside (IPTG) is often used to regulate gene expression systems in bacteria. IPTG does not act as a substrate for beta-galactosidase but can bind to, and inactivate, the repressor. In this case, IPTG serves as a(n)

A. DNA-binding protein. B. repressor. C. inducer. D. operon.

Biology & Microbiology

In the Hardy-Weinberg equation, p2 + 2pq + q2 = 1, 2pq represents the frequency of

A. homozygous dominant and heterozygous individuals. B. homozygous dominant individuals. C. homozygous recessive individuals. D. heterozygous individuals. E. homozygous recessive and heterozygous individuals.

Biology & Microbiology

Which parts of the bone are expected to be extremely active in a growing child?

a. fibroblasts b. osteoblasts c. osteoclasts d. chondrocytes

Biology & Microbiology