True or false: All changes in gene sequence are mutations, but not all mutations decrease or increase in frequency over time

A. true B. false


Answer: A

Biology & Microbiology

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In a lichen, the mycobiont receives

a. nutrients. b. protection from herbivory. c. aid in sexual reproduction. d. enhanced dispersal of offspring. e. shelter from radiation and desiccation.

Biology & Microbiology

Bone remodeling is LEAST likely to be used in ____

a. replacing old bone b. healing of injured bone c. bone growth in childhood d. blood cell formation e. calcium homeostasis

Biology & Microbiology

Which disorder is characterized by bronchiole spasms?

a. emphysema b. asthma c. lung cancer d. high blood pressure e. apnea

Biology & Microbiology

Explain the components of an ATP molecule.

What will be an ideal response?

Biology & Microbiology