_____ increases the risk of death for an American child under the age of two

a. The presence of an unrelated adult male only
b. The absence of a biological father only
c. The presence of an unrelated adult female
d. Both the absence of a biological father and the presence of an unrelated adult male


d

Biology & Microbiology

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Before cell division of somatic cells, each chromosome must be replicated.  After replication, the resulting two parts of each chromosome are held together by cohesin at the centromere.  These two parts are referred to as

A. genes. B. homologous chromosomes. C. daughter chromosomes. D. sister chromatids. E. kinetochores.

Biology & Microbiology

The maturation promoting factor stimulates meiotic maturation in oocytes and in doing so inhibits mitosis in somatic cells.

a. true b. false

Biology & Microbiology

Excavates lack ________

Fill in the blank(s) with correct word

Biology & Microbiology

At the end of transcription,which cells add a 5' cap to the DNA?

What will be an ideal response?

Biology & Microbiology