Quiz 3, 4, 5

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Which of the following terms best describes entropy?

disorder

Simple diffusion across a plasma membrane is called passive transport because it

does not require energy from the cell.

Both plants & animals need mitochondria to

produce ATP

A general eukaryotic cell is typically in the area of

10-100 micrometers.

Identify which of the following statements is not true.

ATP is comprised of a sugar, base, and two phosphate groups.

How does DNA differ from RNA?

DNA is comprised of a double strand, RNA is a single strand.

Where do the vesicles that are being made for secretion from the cell become modified and packaged?

Golgi apparatus

Which of the following is best associated with a coupled reaction?

The metabolic reaction requires energy from ATP.

Osmosis includes

both the diffusion of water and a semi-permeable membrane.

What function does the nucleolus have?

codes for the synthesis of ribosomal RNA

Chromosomes are

condensed chromatin.

Which one of the following is a function of proteins?

enzymatic activity

Metabolic pathways are known for all of the following EXCEPT

enzymes to help raise the energy of activation.

Molecules move from greater to lesser concentration through a transport protein in

facilitated diffusion.

A polypeptide forms a pleated sheet or a helix as its tertiary structure.

false

The principle role for sugars in living things is

for creating energy.

Humans store their polysaccharides in the form of

glycogen.

Compared with a eukaryotic cell, a prokaryotic cell

lacks organelles beyond ribosomes.

Kelly would like to observe the cilia on the surface of a live paramecium: a singular cell organism. The best device to do this would be a

light microscope.

Where within the cell is ATP built up?

mitochondria

Which of the following correctly lists the parts of a nucleotide of RNA?

nitrogen-containing base, ribose, phosphate

A white blood cell surrounds and engulfs a worn-out red blood cell, forming a vesicle around the red blood cell. This process is called

phagocytosis.

What must materials pass through to enter or leave a cell?

plasma membrane

Eukaryotic cells have DNA enclosed in a double membrane called the nucleus. The nucleus functions to

separate the DNA from other activities that occur in the cytoplasm.

Resolving power is

the ability to tell two points apart as separate points.

Eukaryotic cells move their organelles via

the cytoskeleton.

Which nitrogen containing base is found in DNA but not in RNA?

thymine

In sickle cell disease, malformation of red blood cells is caused by only one mistake for one amino acid in the genetic code for hemoglobin.

true


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