A type of gland that secretes an oily substance that softens and protects hair is a(n) _____ gland.
A. salivary
B. mammary
C. sweat
D. sebaceous
E. endocrine
D. sebaceous
Biology & Microbiology
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Which of the following drug(s) is(are) used to treat tuberculosis?
A. Ethambutol B. Pyrazinamide C. Isoniazid D. All of the choices are correct.
Biology & Microbiology
Is Membrane 2 permeable to both molecules?
a. Yes b. No
Biology & Microbiology
Select the best response to the question. Which of the following is characteristic of a virus?
A) Cannot exist outside of a living host. B) Does not contain a nucleus. C) Uses the host cell's reproductive system. D)Has both beneficial and harmful forms.
Biology & Microbiology
In Drosophila, the cells created by cleavage contain different developmental signals from the egg called cytoplasmic
A. determinants. B. stem cells. C. signals. D. junctions.
Biology & Microbiology