During fetal development, when is it possible to clearly hear the fetal heartbeat when the physician applies a stethoscope to the mother's abdomen?


Answer: around the 4th month

Biology & Microbiology

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The synthesis of sugar molecules through the process of photosynthesis requires energy absorbed from sunlight. Bearing this in mind, what kind of reaction is photosynthesis?

A. exergonic B. endergonic C. catabolic D. feedback

Biology & Microbiology

Sexual dimorphism has arisen as a result of ____

a. stabilizing selection b. heterozygote superiority c. kin selection d. sexual selection e. directional selection

Biology & Microbiology

As a protein is being synthesized, the correct folding of the protein is aided by the movement of nonpolar amino acids toward the inner areas of the protein. How can this phenomenon be explained?

What will be an ideal response?

Biology & Microbiology

In Labrador retrievers, coat color is controlled by gene interaction in which homozygosity for a recessive allele can mask the phenotypic expression of a second gene

This genetic interaction is known as ________ and has a characteristic ________ ratio. Fill in the blank(s) with correct word

Biology & Microbiology