BIOL101 Unit 5 Quiz

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

cellulose.

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

~It converts light energy into chemical energy.

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 mushroom. ~cell from a paramecium. ~bacterial cell. ~cell from a fish.

~bacterial cell.

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

~both plant cells and animal cells.

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

~condensed chromatin.

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

~contain DNA.

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

~granum.

Which statement below is correct when comparing plant and animal cells? ~Plant cells only have a plasma membrane, and animal cells only have a cell wall. ~Plant cells only have a cell wall, and animal cells only have a plasma membrane. ~Both plant and animal cells have a cell wall, but only animal cells have a plasma membrane. ~Both plant and animal cells have a plasma membrane, and plant cells also have a cell wall. ~Both plant and animal cells have a plasma membrane and a cell wall.

~Both plant and animal cells have a plasma membrane, and plant cells also have a cell wall.

Where do the vesicles that are being made for secretion from the cell become modified and packaged? ~rough ER ~ribosomes ~smooth ER ~plasma membrane ~Golgi apparatus

~Golgi apparatus

Which of the following is the correct sequence for an altered protein that is secreted from the cell? ~rough endoplasmic reticulum - Golgi apparatus - plasma membrane ~smooth endoplasmic reticulum - plasma membrane - Golgi apparatus - ribosome ~Golgi apparatus - ribosome - plasma membrane ~nucleus - smooth endoplasmic reticulum - Golgi apparatus ~Golgi apparatus - smooth endoplasmic reticulum - plasma membrane

~Golgi apparatus - smooth endoplasmic reticulum - plasma membrane

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

~bind to signal proteins from other parts of the body.

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

~greater surface area for ATP production

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

~maintaining cell shape.

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

~mitochondria

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

~nucleoid

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

~plasma membrane

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

~ribosomes

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

~smooth endoplasmic reticulum - storage of water

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

~surface-area-to-volume ratio

Eukaryotic cells move their organelles using ~the cytoskeleton. ~the plasma membrane. ~cilia. ~flagella. ~the endomembrane system.

~the cytoskeleton.