Short, hairlike structures that protrude from the surface of a cell and are packed in tight rows are called Select one:

a. flagella.

b. microtubules.

c. microfilaments.

d. cilia.

What is most likely to contain organic compounds?

Which of the following are primarily responsible for the sense of touch? A. the circulatory system and the skin B. the circulatory system and the digestive system C. the nervous system and the circulatory system D. the nervous system and the skin

A geologist is examining a new sample of rock. She is trying to categorize it based on its physical properties.

What types of actions use smooth muscles?

How do ETS reactions produce ATP

Homeostasis is classified under which of the following A. Cell respiration B. Transcription C. Cell regulation D. Photosynthesis

A ball, with a mass of 10 kg, is dropped from the top of a building, from a height of 20 meters. Explain what will happen to the potential energy if the 10 kg mass is replaced with a mass of 40 kg and the height of the drop remains constant.

Which of the following is a disadvantage of animal endoskeletons? a. Endoskeletons allow organisms to grow large in size. b. Endoskeletons don't need to be molted as an organism grows. c.

A species of cactus is adapted to a desert climate. Over a period of many years, the climate becomes wetter. How will the cactus population most likely be affected by this change? A It will grow as more water resources become available.

Who is the p m of india