Primary infertility is diagnosed when a couple who has had one child has trouble conceiving a second

a. True
b. False


False

Biology & Microbiology

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Which macromolecule did the majority of scientists favor as the "first" to be found in protobionts?

A. DNA. B. RNA. C. Amino acids. D. Proteins.

Biology & Microbiology

Oxidative metabolism takes place in the ________ of the cell.

A. nucleus B. endoplasmic reticulum C. Golgi complex D. mitochondria

Biology & Microbiology

From the perspective of inclusive fitness, a diploid individual would be more likely to perform an altruistic act for a cousin than for a half-sibling. 

Answer the following statement true (T) or false (F)

Biology & Microbiology

All of the following are macromolecules EXCEPT

A) DNA B) cellulose C) glucose D) starch

Biology & Microbiology