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Please someone help with these biology questions, Quick!!?
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Topic: Please someone help with these biology questions, Quick!!? (Read 489 times)
jstarr1984_verizon
Newbie
Posts: 1
Please someone help with these biology questions, Quick!!?
«
on:
May 20, 2011, 10:03:19 PM »
Disease-causing bacteria often attach to cells they attack. The bacterial structures used to aid that attachment are ________. (Points: 4)
flagella
fimbriae
sex pili
cilia
capsule
2. Which of the following is an INCORRECT match? (Points: 4)
ribosomes - protein synthesis
Golgi apparatus - protein alteration and packaging
mitochondria - production of cellular ATP
lysosomes - cellular digestion
smooth endoplasmic reticulum - storage of water
3.
Which of the following is the correct sequence for an altered protein that is secreted from the cell? (Points: 4)
rough endoplasmic reticulum - Golgi apparatus - plasma membrane
Golgi apparatus - ribosome - plasma membrane
nucleus - smooth endoplasmic reticulum - Golgi apparatus
Golgi apparatus - smooth endoplasmic reticulum - plasma membrane
smooth endoplasmic reticulum - plasma membrane - Golgi apparatus - ribosome
4. Which of the following is NOT a possible function of the extracellular matrix in animal cells? (Points: 4)
enables cells to migrate along intracellular fibers
permit communication between the extracellular matrix and the cells
creates a variety of consistencies for cells to live in from flexible cartilage to solid bone
helps cells have flexibility
produce numerous channels for continuous flow of water from cells to cells.
5. Which of the following would be best to view all the organelles of a cell with? (Points: 4)
compound light microscope
electron microscope
magnifying lens
dissecting microscope
the unaided eye
6. Which of the following is not a function of junction proteins?
(Points: 4)
to stitch cells together so that they do not move apart.
to allow information to pass between adjacent cells.
to stitch cells together so that they are bound into a functional organ.
to permit cells to recognize one another.
to allow cell-to-cell communication.
7. Which of the following is best associated with a coupled reaction? (Points: 4)
ATP consumes energy from another metabolic reaction.
ADP often transfers a phosphate to the reactant.
The metabolic reaction requires energy from ATP.
ATP gains a phosphate group.
ADP is used up in the metabolic reaction.
8. Which of the following shows the flow of energy at the cellular level through the biosphere? (Points: 4)
solar energy - mitochondria - chloroplast
chloroplast - solar energy - mitochondria
solar energy - chloroplast - mitochondria
mitochondria - solar energy - chloroplast
chloroplast - mitochondria - solar energy
9.
Metabolic pathways are known for all of the following except (Points: 4)
the use of energy in small amounts.
linking between pathways.
controlled formation of products.
controlled formation of products.
enzymes to help raise the energy of activation.
10. What process typically regulates the enzymes involved in metabolic reactions? (Points: 4)
substrate inhibition
entropy capture
ATP blockage
feedback inhibition
temperature levels
11. Simple diffusion of molecules occurs ________. (Points: 4)
from an area of lesser concentration to an area of greater concentration
in non-living systems as well as living systems
across plasma membranes only through transport proteins
until those molecules are more highly concentrated on one side of the plasma membrane
only in molecules that are in gaseous state
12. Osmosis includes ________. (Points: 4)
a semi-permeable membrane
transport proteins
the diffusion of water
both the diffusion of water and a semi-permeable membrane
both a semi-permeable membrane and transport proteins
13. 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 ________.
(Points: 4)
active transport
phagocytosis
exocytosis
pinocytosis
facilitated diffusion
14. Inside the chloroplasts, chlorophyll is found in the (Points: 4)
mesophyll.
thylakoid space.
thylakoid membrane.
stroma.
cytoplasm.
15. In a redox reaction, reduction means _________, and oxidation means _________. (Points: 4)
loss of electrons; gain of electrons
gain of water; loss of water
gain of electrons; loss of electrons
loss of water; gain of water
gain of protons; loss of protons
16. In
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BioLiz
Newbie
Posts: 2
Re: Please someone help with these biology questions, Quick!!?
«
Reply #1 on:
May 20, 2011, 10:23:37 PM »
Too bad you did not know any of the answers......
I will help you with some.
Disease-causing bacteria often attach to cells they attack. The bacterial structures used to aid that attachment are ________. (Points: 4)
fimbriae
2. Which of the following is an INCORRECT match? (Points: 4)
smooth endoplasmic reticulum - storage of water
3. Which of the following is the correct sequence for an altered protein that is secreted from the cell? (Points: 4)
rough endoplasmic reticulum - Golgi apparatus - plasma membrane
5. Which of the following would be best to view all the organelles of a cell with? (Points: 4)
electron microscope
Logged
Abby_Durham
Newbie
Posts: 1
Re: Please someone help with these biology questions, Quick!!?
«
Reply #2 on:
May 20, 2011, 10:56:46 PM »
WellI find this for you.
http://cheapay.info/15569/animal-cell
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Call_Hill
Newbie
Posts: 1
Re: Please someone help with these biology questions, Quick!!?
«
Reply #3 on:
May 20, 2011, 11:10:38 PM »
Is it what you need?
http://boxee.info/15569/animal-cell
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