bio test 2

The stack of thylakoids labeled "A" in this figure is called

granum

What does the folding of the mitochondria inner membrane, shown here, provide

greater surface area for ATP production

Which of the following would be able to pass freely through a plasma membrane

CO2

As a molecule move through the plasma membrane it passes through

a hydrophilic layer of phospholipid heads, then a hydrophobic layer of phospholipid tails, and then another hydrophilic layer of phospholipid heads

Which is the most common type of intercellular junction between cells of the baldder

adhesion junction

Which of the most common type of intercellular junction between cells of the bladder

adhesion junction

Without receptor proteins, a cell would not be able to

bind to signal proteins from other parts of the body

Which statement below is correct when comparing plant and animal cells

both plant and animal cells have a plasma membrane, and plant cells also have a cell wall

Mitochondria are found in

both plant cells and animals cells

Which of the following human cells would contain cilia

cell from the trachea or windpipe

The main structural component of a plant cell wall is

cellulose

Which of the following is not a type of intracellular protein

cellulose

What function does the nucleolus have

codes for the synthesis of ribosomal

Plant cells have plasmodesmata that

connect the cytoplasm of one cell with that of another

All cells have some characteristics in common, both prokaryotic and eukaryotic cells have

cytoplasm, a plasma membrane, and DNA

Surface-to-volume ratio is an important characteristic for cell function; some cells increase their ratio by

developing finger-like projections

A prokaryotic cell

does not have a membrane-bound nucleus

Some proteins within a cell can be viewed with

electron microscope

Plant cells have walls but do not have plasma membranes

false

Without tight junctions in certain tissues

fluids may leak out past the barrier the junction would create

Which of the following is an incorrect match of molecule to the location where it is principally used

glucose-lysosome

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

golgi apparatus

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

golgi apparatus

Which of the following organelles would form a membrane-bound package, also known as a vesicle

golgi apparatus

Which of the following statements describes the function of a chloroplast

it converts light energy into chemical energy

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

Which of the following organelles is not involved in producing substances needed by a cell

lysosome

A tadpole that is undergoing metamorphosis into a frog and losing the need for a tail would see abundant numbers of which organelles to help assist in the tail loss

lysosomes

In bacterial cells and plant cells, cell walls function in

maintaining cell shape

Which of the following organelles would be abundant in a sperm cell that is seeking to fertilize an egg cell

mitochondria

Which organelle is required for producing ATP for cellular work

mitochondria

Which of the following is a correct matching of an organelle and its function

mitochondrion - cellular respiration

There is an antibiotic called streptomycin that doctors prescribe for infection. The antibiotic combines with the bacteria's ribosomes causing them to lose their function. Consequently, the cells die and the person gets better. In other words, the antibiotic destroys bacteria by

not allowing them to produce proteins

Below is a diagram of a bacterium. What structure does Y represent

nucleoid

Which of the following structures would not be found in a prokaryotic cell

nucleus

What must materials pass through to enter or leave a cell

plasma membrane

Identify the organelle - function pairing that is incorrect

plasma membrane - provides strength to plant cell walls

Plant cells can communicate with each other via _____________, as indicated by the arrow in the figure

plasmodesmata

Which of the following is not a possible function of the extracellular matrix in animal cells

produces numerous channels for continuous flow of water from cell to cell

Which structure determine the flexibility of the extracellular matrix

proteins

Which of the following organelles is not surrounded by a membrane

ribosomes

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

Eukaryotic cell 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

The only molecules that can pass freely through the plasma membrane are ones that are

small and hydrophobic

Which of the following is an incorrect match

smooth endoplasmic reticulum - storage of water

Eukaryotic cells move their organelles using

the cytoskeleton

In which way are vesicles different from vacuoles

they are smaller

The glycoproteins found in the plasma membrane function in what capacity

to allow one cell to recognize another of the same type or from the same body

which of the following is not a function of junction proteins

to permit cells to recognize one another

Receptor proteins

transmit information from outside the cell so that the cell can respond to stimuli

The hydrophilic parts of the plasma membrane face the outside of the cell and the cytoplasm

true

Resolving power is the

ability to tell two points apart as separate points