Closure of the internal nares is a transition seen in going from fish to mammal

a. true
b. false


Answer: b. false

Biology & Microbiology

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The more common types of cancers evade immune system destruction by becoming less detectable and by actively overcoming the immune system: (a) give an example of each, and (b) propose an experiment that could distinguish between these possibilities

What will be an ideal response?

Biology & Microbiology

Retroviruses use the enzyme reverse transcriptase to

A) transcribe mRNA from a DNA genome. B) synthesize a hybrid molecule with one DNA stranded base-paired to the complementary RNA strand. C) synthesize double-stranded RNA. D) synthesize sense-stranded mRNA from an antisense RNA genome. E) direct the production of DNA from a single-stranded RNA genome.

Biology & Microbiology

Population geneticists are interested in the forces that change the ____________________ of genes in a population

Fill in the blank(s) with correct word

Biology & Microbiology

Which of the following tools is used to match up chromosome pairs using chemical stains?

A.) meiosis map B.) pedigree chart C.) linkage map D.) karyotype

Biology & Microbiology