Having the alleles Tt is

A. a loci.
B. linkage.
C. a phenotype.
D. a gene.
E. a genotype.


E. a genotype.

Biology & Microbiology

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Which of the following statements is FALSE?

A) A flagellar protein subunit is flagellin. B) In flagellar motion, the basal body acts as a motor. C) Flagellar rotation generates ATP. D) The hook is the wider region at the base of the flagellum.

Biology & Microbiology

The assembly of glucose into polysaccharides __________________________

What will be an ideal response?

Biology & Microbiology

According to the theory of common descent, how should each species on Earth today compare?

A) They should look very similar to all other species. B) They should not have ancestors in common with members of other species. C) They should have a single ancestor in common. D) They should have DNA that is mostly unique from other species.

Biology & Microbiology

If the hypothesis that protocells were based on an "RNA world" is correct, what would be necessary to shift to a "DNA world"?

A. an enzyme or reaction capable of removing one oxygen from ribose in nucleotides B. new enzymes for transcribing DNA back to RNA C. enzymes for reverse transcription of RNA into DNA D. new enzymes to replicate the DNA E. All would be necessary to switch to a "DNA world."

Biology & Microbiology