QUIZ UNIT 5

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contain DNA.

Chloroplasts and mitochondria are similar in that they both are involved in cellular waste processing. are involved in helping to maintain cell shape. contain DNA. are involved in protein production for the cell. are membranous sacs involved in storage.

bacterial cell.

A cell being observed under a microscope has a cell wall, plasma membrane, ribosomes, and chromosomal material that is not found in a nucleus. Based on this information, the cell could be a cell from a cactus. cell from a fish. cell from a paramecium. bacterial cell. cell from a mushroom.

granum.

A stack of thylakoids inside a chloroplast are known as what? stroma. granum. cristae. chloroplast. thylakoid space.

condensed chromatin.

Chromosomes are made from condensed chromatin. expanded ribosomes. expanded polysaccharides. condensed vesicles. cell recognition proteins.

both plant cells and animal cells.

Mitochondria are found in plant cells. both plant cells and animal cells. animal cells only. neither plant cells nor animal cells. animal cells and bacterial cells only.

plasmodesmata

Plant cells can communicate with each other using what structure? cytoskeleton centrioles fimbriae plasmodesmata pili

Golgi apparatus

Which of the following organelles would form a membrane-bound package, also known as a vesicle? mitochondria ribosomes chloroplasts Golgi apparatus lysosomes

nucleoid

Bacteria hold their DNA is region inside of their outer membrane. What is this region called? cell wall nucleoid flagella capsule fimbriae

light microscope.

Carrie would like to observe the cilia on the surface of a live paramecium—a single-celled organism. The best device to do this would be a light microscope. unaided eye. electron microscope. magnifying glass. dissecting microscope.

surface-area-to-volume ratio

Cell size is limited because ________ is critical to a cell's function. surface-area-to-volume ratio the size of the nucleus cilia movement the number of microvilli the ability to photosynthesize

maintaining cell shape.

In bacterial cells and plant cells, cell walls function in producing the cytoskeleton. maintaining cell shape. modifying lipids and proteins. containing DNA. moving organelles throughout the cell.

cellulose.

The main structural component of a plant cell wall is cellulose. cytoskeleton. middle lamella. extracellular matrix. plasmodesmata.

greater surface area for ATP production

What does the folding of the mitochondrial inner membrane provide? greater ability to allow for osmosis increased surface area for photosynthesis increased space for protein synthesis greater surface area for ATP production greater ability to remove waste from the cell cytosol

plasma membrane

What must materials pass through to enter or leave a cell? lysosome vacuole plasma membrane ribosome nucleus

smooth endoplasmic reticulum - storage of water

Which of the following is an incorrect match? ribosomes - protein synthesis mitochondria - production of cellular ATP smooth endoplasmic reticulum - storage of water lysosomes - cellular digestion Golgi apparatus - protein alteration and packaging

ribosomes

Which of the following organelles is not surrounded by a membrane? ribosomes mitochondrion chloroplast lysosomes nucleus

It converts light energy into chemical energy.

Which of the following statements describes the function of a chloroplast? It stores water. It manufactures proteins. It converts light energy into chemical energy. It converts chemical energy into heat energy. It aids in intracellular digestion.

mitochondria

Which organelle is required for producing ATP for cellular work? chloroplast Golgi apparatus nucleus vacuole mitochondria

bind to signal proteins from other parts of the body.

Without receptor proteins, a cell would not be able to bind to signal proteins from other parts of the body. perform metabolic reactions. transport water into the cytoplasm. divide. allow the passage of H ions into the cell.

fluids may leak out past the barrier the junction would create.

Without tight junctions in certain tissues, cells would not be able to migrate during their development. the tissues would not be able to expand and stretch without damage. nutrients would not be able to be passed from cell to cell. cells would not be able to communicate with each other. fluids may leak out past the barrier the junction would create.


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