Cell Quiz 2020

Which of the following statements are part of the cell theory?

• All organisms are composed of one or more cells, and the life processes of metabolism and heredity occur within these cell

• Cells arise only by division of a previously existing cell

• Eukaryotic cells have evolved from prokaryotic cells

• Cells are the smallest living things, the basic units of organization of all organisms.

Eukaryotic cells are more complex than prokaryotic cells. Which of the following are found only in eukaryotic cell?

• Cell wall

• Plasma membrane

• Nuclear envelope

• Ribosomes

Which structure is common to plant and animal cells?

• Chloroplast

• Central vacuole

• Mitochondrion

• Centriole

The cytoskeleton includes

• Actin filaments, microtubules, intermediate filaments

• Nucleus, Rough RE, Smooth RE

• Actin filaments, intermediate filaments, golgi apparatus

• Nucleus, ribosome, mitochondrion

Cyanide binds to at least one molecule involved in producing ATP. If a cell is exposed to cyanide, most of the cyanide will be found within the

• mitochondria

• ribosomes

• peroxisomes

• lysosomes

What is organelle that is small grain like structure where proteins are made?

• Peroxisome

• Nucleus

• Ribosome

• Lysosome

Which two plant cell structures are responsible for storing energy from sunlight and later releasing it for cells to use?

• Chloroplast and nucleus

• Mitochondria and cell wall

• Chloroplast and mitochondria

• Nucleus and cell wall

The smooth endoplasmic reticulum is

• involved in protein syhthesis

• a site of protein glycosylation

• use to store a variety of ions

• the site op lipid and membrane syhthesis

If a cell is in an isotonic environment, then

• the cell will gain water and burst

• no water will move across the membrane

• the cell will lose water and shrink

• osmosis still occurs, but there is no net gain or loss of cell volume

The oxygen and carbon dioxide crosses the plasma membrane by the process of

• Active diffusion

• Facilitated diffusion

• Passive diffusion

• Random diffusion