What is the name of the motor protein that enables motion of organelles and cytoplasm within the cell?

a. actin
b. ATP
c. myosin
d. ?-tubulin


c. myosin

Biology & Microbiology

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________ consume organic molecules to live.

A. Autotrophs B. Plants C. Heterotrophs D. Hemitrophs E. Photoautotrophs

Biology & Microbiology

Which of the following is not a characteristic of cancerous cells?

A) contact inhibition B) unusual shapes and sizes C) immortality D) All of the above are characteristics of cancerous cells.

Biology & Microbiology

The water inside the ring of an atoll is isolated from the open ocean and is usually less saline

Indicate whether the statement is true or false

Biology & Microbiology

Ovaries, the female gonads, produce eggs and secrete __________ and __________. Fill in the blank(s) with the appropriate word(s)

Biology & Microbiology