Flagellated cells can

A) attach to surfaces more effectively because of the flagella.
B) move the cell through fluid.
C) move internal organelles more efficiently than nonflagellated cells.
D) divide more quickly than nonflagellated cells.


B

Biology & Microbiology

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Analysis of the primary transcript for an insulin receptor protein reveals that exon 11 has been removed from the mRNA in skeletal muscle, but not in liver. How does this affect the proteins synthesized in these two types of cells?

A. Translation of the insulin receptor mRNA is inhibited in skeletal muscle. B. Translation of the insulin receptor mRNA is inhibited in the liver. C. The mRNA transcript for the insulin receptor protein will be identical in both the liver and skeletal muscle and so translation occurs in both cell types. D. The insulin receptor in skeletal muscle has a higher affinity for insulin than the receptor in the liver. E. The insulin receptor in the liver has a higher affinity for insulin than the receptor in skeletal muscle.

Biology & Microbiology

Most of the water absorbed by the plant enters through the

A. root hairs. B. root cap. C. stomata. D. lenticels. E. root apical meristem.

Biology & Microbiology

A random change in the DNA nucleotide base sequence is called a ________

Fill in the blank(s) with correct word

Biology & Microbiology

How do enveloped animal viruses exit their host?

A) Bursting the host cell B) Endocytosis C) Rupturing virus D) Budding or exocytosis

Biology & Microbiology