QUESTION 26 What happens to cell containing 75% water if it\'s surrounded by a 2

ID: 98214 • Letter: Q

Question

QUESTION 26

What happens to cell containing 75% water if it's surrounded by a 20% salt solution?

expands

dehydrates

remains the same

fluctuates

QUESTION 27

The simplest organisms are in which kingdom?

monera

protista

fungi

plant

QUESTION 28

Where are microtubules found?

cilia

lysosomes

endoplasmic reticulum

nuclear membrane

QUESTION 29

What happens to a cell when it's placed in a hypertonic solution?

Shrinks

expands

remains the same

swells, then shrinks

QUESTION 30

A protein that ultimately leaves the cells is first modified in the:

mitochondria

golgi

nucleus

lysosome

QUESTION 31

A solution with more particles than the cell it surrounds is:

hypertonic

hypotonic

isotonic

acidic

QUESTION 32

An example of a heterotrophic organism is:

a tree

a flower

any plant

any animal

QUESTION 33

Enzyme inhibition in which molecules bind to non-active sites is called:

competitive

enzymatic

allosteric

spontaneous

QUESTION 34

The structure and function of a protein is determined by its:

amines

carboxyl groups

R-groups

peptide bonds

QUESTION 35

Rough ER contains organelles known as:

ribosomes

lysosomes

mitochondria

nucleolus

QUESTION 36

The term 9+2 configuration is referring to:

nucleus

cell membrane

cristae

cilia

QUESTION 37

Where would nucleic acids be found?

ribosomes

nucleus

mitochondria

smooth ER

QUESTION 38

If an element has an atomic weight of 24 and atomic number of 14, how many electrons are there?

QUESTION 39

Which of these would be the last macromolecule the body breaks down?

proteins

complex carbohydrates

glycogen

lipids

QUESTION 40

If the atomic wt of C=12, H=1, and O=16, what's the M.W. of CH3CH2CH2CH2CH2OH?

120

QUESTION 41

In plants, sugar iS stored as:

glycogen

starch

glycerol

fatty acids

QUESTION 42

An example of a polysaccharide is:

glucose

sucrose

cholesterol

glycogen

QUESTION 43

A buffer system prevents changes in:

muscle contraction

nerve transmission

ATP formation

QUESTION 44

Which of these reactions would release energy?

endergonic

exergonic

ionic

enzymatic

QUESTION 45

Which of these is NOT found in animal cells?

mitochondria

nucleolus

smooth ER

chloroplast

QUESTION 46

Where are the sites of protein synthesis?

ribosomes

golgi

lysosomes

mitochondria

QUESTION 47

The most common high energy molecule in living systems is:

ATP

ADP

NADH

FADH

QUESTION 48

B-pleated sheet is an example of what type of molecule?

protein

polysaccharide

lipid

nucleic acid

QUESTION 49

Fructose is an example of a:

starch

polysaccharide

disaccharide

monosaccharide

QUESTION 50

An example of a biological catalyst would be:

glycogen

triglyceride

glucose

enzyme

Explanation / Answer

QUESTION 26

dehydrates

Explanation: cell loses its water content as water moves out of the cell as a result of osmosis.

QUESTION 27

monera

Bacteria are the simplest organisms

QUESTION 28

cilia

Microtubules form cilia and flagella and also some intracellular structure

QUESTION 29

What happens to a cell when it's placed in a hypertonic solution?

Shrinks

Explanation: cell loses its water content as water moves out of the cell as a result of osmosis.

QUESTION 30

golgi

Inside the golgi lumen, the protein molecules are modified before they leave the cell.

QUESTION 31

A solution with more particles than the cell it surrounds is:

hypertonic

hypertonic solution has a greater concentration of solutes than another solution

hypotonic solution has a lower concentration of solutes than another solution

Isotonic solution has a equal concentration of solutes that of other solution

QUESTION 32

An example of a heterotrophic organism is:

any animal

QUESTION 33

Enzyme inhibition in which molecules bind to non-active sites is called:

allosteric

QUESTION 34

R-groups

R groups are the functional groups of proteins since the COOH and NH2 participate in peptide bond formation and become unavailable.

QUESTION 35

Rough ER contains organelles known as:

ribosomes

QUESTION 36

The term 9+2 configuration is referring to:

cilia

QUESTION 37

Where would nucleic acids be found?

nucleus

QUESTION 38

If an element has an atomic weight of 24 and atomic number of 14, how many electrons are there?

A neutral atom has equal number of protons (atomic number) and electrons

QUESTION 39

Which of these would be the last macromolecule the body breaks down?

lipids

QUESTION 40

If the atomic wt of C=12, H=1, and O=16, what's the M.W. of CH3CH2CH2CH2CH2OH?

QUESTION 41

In plants, sugar iS stored as:

starch

QUESTION 42

An example of a polysaccharide is:

glycogen

QUESTION 43

A buffer system prevents changes in:

QUESTION 44

Which of these reactions would release energy?

exergonic

QUESTION 45

Which of these is NOT found in animal cells?

chloroplast

QUESTION 46

Where are the sites of protein synthesis?

ribosomes

QUESTION 47

The most common high energy molecule in living systems is:

ATP

QUESTION 48

B-pleated sheet is an example of what type of molecule?

protein

QUESTION 49

Fructose is an example of a:

monosaccharide

QUESTION 50

An example of a biological catalyst would be:

enzyme

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QUESTION 26 What happens to cell containing 75% water if it\'s surrounded by a 2

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