Which of the following is the most primitive group of non-vascular plants?

a. liverwort
b. hornwort
c. moss
d. lycophyta


a. liverwort

Biology & Microbiology

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Mechanoreceptors that react to changes in pressure are part of the _____

A) human sense of taste B) pain receptors in birds C) human sense of smell D) lateral line systems in fish E) eyes in arthropods

Biology & Microbiology

Insulin stimulates an increase in number of glucose carrier proteins at a cell membrane's surface. What effect will insulin have on cell function? Choose all that apply.

A. Lack of membrane receptors for insulin will decrease amount of glucose taken in. B. Low insulin levels will decrease the number of available carrier proteins. C. An increase in insulin, which will increase the diffusion rate. D. ATP amounts needed for this transport will increase.

Biology & Microbiology

Which of the following will occur to a cell that undergoes a critical amount of mutational damage?

A. It will enter into senescence. D. A and C will occur but not B. B. Apoptosis will occur. E. All three will occur (A, B, and C). C. It will become cancerous.

Biology & Microbiology

Systemic lupus erythematosus (SLE) is a disease resulting from accumulation of immune complexes in various organs and tissues

Indicate whether the statement is true or false

Biology & Microbiology