What was the major contribution of Gregor Mendel?

a. He coined the term genes.
b. He provided evidence for how traits are inherited.
c. He described how genes code for particular proteins.
d. He explained the central role of proteins in the expression of traits.


B

Biology & Microbiology

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Which of the following statements about mRNAs and microRNAs is false?

A. Both are transcribed by RNA Pol II. B. Both are capped and polyadenylated. C. Both undergo nucleolytic cleavage in the nucleus and the cytoplasm. D. Both are processed via interaction with snoRNPs.

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What is the source of electrons for carbon fixation in plants?

a. O2 b. CO2 c. H2O d. H+ e. C6H12O6

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What fraction of the time will the cross of Aa Bb Cc with Aa Bb Cc produce an offspring that

expresses the phenotype represented by the dominant gene C (aa bb C_)? a. 1/32 b. 3/64 c. 1/16 d. 9/64 e. 27/64

Biology & Microbiology

Organisms that are characterized by being unicellular, photosynthetic, and having double shells made of silica are known as

A. kelps. B. foraminifera. C. dinoflagellates. D. diatoms. E. euglenoids.

Biology & Microbiology