Anatomy and Physiology Chapter 2

Functional protein.

2

Nucleotide

4

Monosaccharide

1

Polymer

3

Tertiary (protein) structure.

2

Which of the following elements is necessary for proper conduction of nervous impulses?

A. Fe
B. I
C. P
D. Na

Na

In general, the lipids that we refer to as oils have ________.

A. a high water content
B. long fatty acid chains
C. a high degree of saturated bonds
D. a high degree of unsaturated bonds

a high degree of unsaturated bonds

The genetic information is coded in DNA by the ________.

A. regular alteration of sugar and phosphate molecules
B. sequence of the nucleotides
C. three-dimensional structure of the double helix
D. arrangement of the histones

sequence of the nucleotides

The single most abundant protein in the body is ________.

A. DNA
B. hemoglobin
C. collagen
D. glucose

collagen

Carbohydrates are stored in the liver and muscles in the form of ________.

A. glucose
B. triglycerides
C. glycogen
D. cholesterol

glycogen

Which of the following describes coenzymes?

A. organic molecules derived from vitamins
B. two enzymes that perform the same function
C. metal ions
D. enzymes that work together

organic molecules derived from vitamins

Which of the following is not a role of molecular chaperonins?

A. prevent accidental, premature, or incorrect folding of polypeptide chains
B. aid the desired folding and association process of polypeptides
C. help to translocate proteins and certain metal ions across cell membranes
D. promote the breakdown of damaged or denatured proteins
E. act as a biological catalyst

act as a biological catalyst

A chemical reaction in which bonds are broken is usually associated with ________.

A. the release of energy
B. the consumption of energy
C. a synthesis
D. forming a larger molecule

the release of energy

Salts are always ________.

A. ionic compounds
B. single covalent compounds
C. double covalent compounds
D. hydrogen bonded

ionic compounds

A solution that has a pH of 2 could best be described as being ________.

A. acidic
B. basic
C. neutral
D. slightly acidic

acidic

Which of the following is the major positive ion outside cells?

A. nitrogen
B. hydrogen
C. potassium
D. sodium

sodium

Which of the following would be regarded as an organic molecule?

A. H2O
B. NaCl
C. NaOH
D. CH4

CH4

What is a chain of 25 amino acids called?

A. polypeptide
B. nucleotide
C. protein
D. starch

polypeptide

Which of the following constitutes a long chain of simple sugars?

A. monosaccharide
B. polysaccharide
C. protein
D. nucleic acid

polysaccharide

What level of protein synthesis is represented by the coiling of the protein chain backbone into an alpha helix?

A. primary structure
B. secondary structure
C. tertiary structure
D. quaternary structure

secondary structure

Which statement about enzymes is false?

A. Enzymes raise the activation energy needed to start a reaction.
B. Enzymes are composed mostly of protein.
C. Enzymes are organic catalysts.
D. Enzymes may be damaged by high temperature.

Enzymes raise the activation energy needed to start a reaction.

Which of the following statements is false?

A. Chemical reactions proceed more quickly at higher temperatures.
B. Chemical reactions progress at a faster rate when the reacting particles are present in higher numbers.
C. Larger particles move faster than smaller ones and thus collide more frequently and more forcefully.
D. Catalysts increase the rate of chemical reactions.

Larger particles move faster than smaller ones and thus collide more frequently and more forcefully.

Which of the following is true regarding the concentration of solutions?

A. Percent solutions are parts per 1000 parts.
B. Molarity is one mole of solute per 1000 ml of solution.
C. To calculate molarity, one must know the atomic number of the solute.
D. To calculate molarity, one must know the atomic weight of the solvent.

Molarity is one mole of solute per 1000 ml of solution.

Choose the answer that best describes HCO3-.

A. a bicarbonate ion
B. common in the liver
C. a weak acid
D. a proton donor

a bicarbonate ion

Select which reactions will usually be irreversible regarding chemical equilibrium in living systems.

A. glucose to CO2 and H2O
B. ADP + Pi to make ATP
C. H2O + CO2 to make H2CO3
D. glucose molecules joined to make glycogen

glucose to CO2 and H2O

What happens in redox reactions?

A. both decomposition and electron exchange occur
B. the electron acceptor is oxidized
C. the electron donor is reduced
D. the reaction is always easily reversible

both decomposition and electron exchange occur

Choose the answer that best describes fibrous proteins.

A. rarely exhibit secondary structure
B. are very stable and insoluble in water
C. are usually called enzymes
D. are cellular catalysts

are very stable and insoluble in water

Select the most correct statement regarding nucleic acids.

A. Three forms exist: DNA, RNA, and tDNA.
B. DNA is a long, double-stranded molecule made up of A, T, G, and C bases.
C. RNA is a long, single-stranded molecule made up of the bases A, T, G, and C.
D. TDNA is considered a molecular slave of DNA.

DNA is a long, double-stranded molecule made up of A, T, G, and C bases.

Which of the following is an example of a suspension?

A. cytoplasm
B. salt water
C. rubbing alcohol
D. blood

blood

The four elements that make up about 96% of body matter are ________.

A. carbon, oxygen, phosphorus, calcium
B. nitrogen, hydrogen, calcium, sodium
C. carbon, oxygen, hydrogen, nitrogen
D. sodium, potassium, hydrogen, oxygen

carbon, oxygen, hydrogen, nitrogen

An example of a coenzyme is ________.

A. copper
B. riboflavin (vitamin B2)
C. iron
D. zinc

riboflavin (vitamin B2)

________ is fat soluble, produced in the skin on exposure to UV radiation, and necessary for normal bone growth and function.

A. Vitamin K
B. Cortisol
C. Vitamin A
D. Vitamin D

Vitamin D

In liquid XYZ, you notice that light is scattered as it passes through. There is no precipitant in the bottom of the beaker, though it has been sitting for several days. What type of liquid is this?

A. solution
B. solution
C. colloid
D. mixture

colloid

Atom X has 17 protons. How many electrons are in its valence shell?

A. 3
B. 5
C. 7
D. 10

7

Which protein types are vitally important to cell function in all types of stressful circumstances?

A. structural proteins
B. molecular chaperones
C. catalytic proteins
D. regulatory proteins

molecular chaperones

If atom X has an atomic number of 74 it would have which of the following?

A. 37 protons and 37 neutrons
B. 37 electrons
C. 74 protons
D. 37 protons and 37 electrons

74 protons

What does the formula C6H12O6 mean?

A. There are 6 calcium, 12 hydrogen, and 6 oxygen atoms.
B. There are 12 hydrogen, 6 carbon, and 6 oxygen atoms.
C. The molecular weight is 24.
D. The substance is a colloid.

There are 12 hydrogen, 6 carbon, and 6 oxygen atoms.

Two good examples of a colloid would be Jell-O® and ________.

A. blood
B. toenails
C. urine
D. cytosol

cytosol

An atom with a valence of 3 may have a total of ________ electrons.

A. 3
B. 8
C. 13
D. 17

13

Which of the following is a neutralization reaction?

A. HCl H+ + Cl-
B. NaOH Na+ + OH-
C. NH3 + H+ NH4+2
D. HCl + NaOH NaCl + H2O

HCl + NaOH NaCl + H2O

What is a dipole?

A. a type of bond
B. a polar molecule
C. a type of reaction
D. an organic molecule

a polar molecule

What does CH4 mean?

A. There is one carbon and four hydrogen atoms.
B. There are four carbon and four hydrogen atoms.
C. This is an inorganic molecule.
D. This was involved in a redox reaction.

There is one carbon and four hydrogen atoms.

Amino acids joining together to make a peptide is a good example of a(n) ________ reaction.

A. synthesis
B. decomposition
C. exchange
D. reversible

synthesis

Which of the following is not considered a factor in influencing a reaction?

A. temperature
B. concentration
C. particle size
D. time

time

Which of the following is not an electrolyte?

A. HCl
B. Ca2CO3
C. H2O
D. NaOH

H2O

Which property of water is demonstrated when we sweat?

A. high heat capacity
B. high heat of vaporization
C. polar solvent properties
D. reactivity
E. cushioning

high heat of vaporization

Sucrose is a ________.

A. monosaccharide
B. disaccharide
C. polysaccharide
D. triglyceride

disaccharide

What is the ratio of fatty acids to glycerol in neutral fats?

A. 1:1
B. 2:1
C. 3:1
D. 4:1

3:1

In a DNA molecule, the phosphate serves ________.

A. as a code
B. to hold the molecular backbone together
C. to bind the sugars to their bases
D. as nucleotides

to hold the molecular backbone together

Which bonds often bind different parts of a molecule into a specific three-dimensional shape?

A. Carbon
B. Hydrogen
C. Oxygen
D. Amino acid

Hydrogen

Anatomy and Physiology Chapter 2 - Subjecto.com

Anatomy and Physiology Chapter 2

Your page rank:

Total word count: 1427
Pages: 5

Calculate the Price

- -
275 words
Looking for Expert Opinion?
Let us have a look at your work and suggest how to improve it!
Get a Consultant

Functional protein.

2

Nucleotide

4

Monosaccharide

1

Polymer

3

Tertiary (protein) structure.

2

Which of the following elements is necessary for proper conduction of nervous impulses?

A. Fe
B. I
C. P
D. Na

Na

In general, the lipids that we refer to as oils have ________.

A. a high water content
B. long fatty acid chains
C. a high degree of saturated bonds
D. a high degree of unsaturated bonds

a high degree of unsaturated bonds

The genetic information is coded in DNA by the ________.

A. regular alteration of sugar and phosphate molecules
B. sequence of the nucleotides
C. three-dimensional structure of the double helix
D. arrangement of the histones

sequence of the nucleotides

The single most abundant protein in the body is ________.

A. DNA
B. hemoglobin
C. collagen
D. glucose

collagen

Carbohydrates are stored in the liver and muscles in the form of ________.

A. glucose
B. triglycerides
C. glycogen
D. cholesterol

glycogen

Which of the following describes coenzymes?

A. organic molecules derived from vitamins
B. two enzymes that perform the same function
C. metal ions
D. enzymes that work together

organic molecules derived from vitamins

Which of the following is not a role of molecular chaperonins?

A. prevent accidental, premature, or incorrect folding of polypeptide chains
B. aid the desired folding and association process of polypeptides
C. help to translocate proteins and certain metal ions across cell membranes
D. promote the breakdown of damaged or denatured proteins
E. act as a biological catalyst

act as a biological catalyst

A chemical reaction in which bonds are broken is usually associated with ________.

A. the release of energy
B. the consumption of energy
C. a synthesis
D. forming a larger molecule

the release of energy

Salts are always ________.

A. ionic compounds
B. single covalent compounds
C. double covalent compounds
D. hydrogen bonded

ionic compounds

A solution that has a pH of 2 could best be described as being ________.

A. acidic
B. basic
C. neutral
D. slightly acidic

acidic

Which of the following is the major positive ion outside cells?

A. nitrogen
B. hydrogen
C. potassium
D. sodium

sodium

Which of the following would be regarded as an organic molecule?

A. H2O
B. NaCl
C. NaOH
D. CH4

CH4

What is a chain of 25 amino acids called?

A. polypeptide
B. nucleotide
C. protein
D. starch

polypeptide

Which of the following constitutes a long chain of simple sugars?

A. monosaccharide
B. polysaccharide
C. protein
D. nucleic acid

polysaccharide

What level of protein synthesis is represented by the coiling of the protein chain backbone into an alpha helix?

A. primary structure
B. secondary structure
C. tertiary structure
D. quaternary structure

secondary structure

Which statement about enzymes is false?

A. Enzymes raise the activation energy needed to start a reaction.
B. Enzymes are composed mostly of protein.
C. Enzymes are organic catalysts.
D. Enzymes may be damaged by high temperature.

Enzymes raise the activation energy needed to start a reaction.

Which of the following statements is false?

A. Chemical reactions proceed more quickly at higher temperatures.
B. Chemical reactions progress at a faster rate when the reacting particles are present in higher numbers.
C. Larger particles move faster than smaller ones and thus collide more frequently and more forcefully.
D. Catalysts increase the rate of chemical reactions.

Larger particles move faster than smaller ones and thus collide more frequently and more forcefully.

Which of the following is true regarding the concentration of solutions?

A. Percent solutions are parts per 1000 parts.
B. Molarity is one mole of solute per 1000 ml of solution.
C. To calculate molarity, one must know the atomic number of the solute.
D. To calculate molarity, one must know the atomic weight of the solvent.

Molarity is one mole of solute per 1000 ml of solution.

Choose the answer that best describes HCO3-.

A. a bicarbonate ion
B. common in the liver
C. a weak acid
D. a proton donor

a bicarbonate ion

Select which reactions will usually be irreversible regarding chemical equilibrium in living systems.

A. glucose to CO2 and H2O
B. ADP + Pi to make ATP
C. H2O + CO2 to make H2CO3
D. glucose molecules joined to make glycogen

glucose to CO2 and H2O

What happens in redox reactions?

A. both decomposition and electron exchange occur
B. the electron acceptor is oxidized
C. the electron donor is reduced
D. the reaction is always easily reversible

both decomposition and electron exchange occur

Choose the answer that best describes fibrous proteins.

A. rarely exhibit secondary structure
B. are very stable and insoluble in water
C. are usually called enzymes
D. are cellular catalysts

are very stable and insoluble in water

Select the most correct statement regarding nucleic acids.

A. Three forms exist: DNA, RNA, and tDNA.
B. DNA is a long, double-stranded molecule made up of A, T, G, and C bases.
C. RNA is a long, single-stranded molecule made up of the bases A, T, G, and C.
D. TDNA is considered a molecular slave of DNA.

DNA is a long, double-stranded molecule made up of A, T, G, and C bases.

Which of the following is an example of a suspension?

A. cytoplasm
B. salt water
C. rubbing alcohol
D. blood

blood

The four elements that make up about 96% of body matter are ________.

A. carbon, oxygen, phosphorus, calcium
B. nitrogen, hydrogen, calcium, sodium
C. carbon, oxygen, hydrogen, nitrogen
D. sodium, potassium, hydrogen, oxygen

carbon, oxygen, hydrogen, nitrogen

An example of a coenzyme is ________.

A. copper
B. riboflavin (vitamin B2)
C. iron
D. zinc

riboflavin (vitamin B2)

________ is fat soluble, produced in the skin on exposure to UV radiation, and necessary for normal bone growth and function.

A. Vitamin K
B. Cortisol
C. Vitamin A
D. Vitamin D

Vitamin D

In liquid XYZ, you notice that light is scattered as it passes through. There is no precipitant in the bottom of the beaker, though it has been sitting for several days. What type of liquid is this?

A. solution
B. solution
C. colloid
D. mixture

colloid

Atom X has 17 protons. How many electrons are in its valence shell?

A. 3
B. 5
C. 7
D. 10

7

Which protein types are vitally important to cell function in all types of stressful circumstances?

A. structural proteins
B. molecular chaperones
C. catalytic proteins
D. regulatory proteins

molecular chaperones

If atom X has an atomic number of 74 it would have which of the following?

A. 37 protons and 37 neutrons
B. 37 electrons
C. 74 protons
D. 37 protons and 37 electrons

74 protons

What does the formula C6H12O6 mean?

A. There are 6 calcium, 12 hydrogen, and 6 oxygen atoms.
B. There are 12 hydrogen, 6 carbon, and 6 oxygen atoms.
C. The molecular weight is 24.
D. The substance is a colloid.

There are 12 hydrogen, 6 carbon, and 6 oxygen atoms.

Two good examples of a colloid would be Jell-O® and ________.

A. blood
B. toenails
C. urine
D. cytosol

cytosol

An atom with a valence of 3 may have a total of ________ electrons.

A. 3
B. 8
C. 13
D. 17

13

Which of the following is a neutralization reaction?

A. HCl H+ + Cl-
B. NaOH Na+ + OH-
C. NH3 + H+ NH4+2
D. HCl + NaOH NaCl + H2O

HCl + NaOH NaCl + H2O

What is a dipole?

A. a type of bond
B. a polar molecule
C. a type of reaction
D. an organic molecule

a polar molecule

What does CH4 mean?

A. There is one carbon and four hydrogen atoms.
B. There are four carbon and four hydrogen atoms.
C. This is an inorganic molecule.
D. This was involved in a redox reaction.

There is one carbon and four hydrogen atoms.

Amino acids joining together to make a peptide is a good example of a(n) ________ reaction.

A. synthesis
B. decomposition
C. exchange
D. reversible

synthesis

Which of the following is not considered a factor in influencing a reaction?

A. temperature
B. concentration
C. particle size
D. time

time

Which of the following is not an electrolyte?

A. HCl
B. Ca2CO3
C. H2O
D. NaOH

H2O

Which property of water is demonstrated when we sweat?

A. high heat capacity
B. high heat of vaporization
C. polar solvent properties
D. reactivity
E. cushioning

high heat of vaporization

Sucrose is a ________.

A. monosaccharide
B. disaccharide
C. polysaccharide
D. triglyceride

disaccharide

What is the ratio of fatty acids to glycerol in neutral fats?

A. 1:1
B. 2:1
C. 3:1
D. 4:1

3:1

In a DNA molecule, the phosphate serves ________.

A. as a code
B. to hold the molecular backbone together
C. to bind the sugars to their bases
D. as nucleotides

to hold the molecular backbone together

Which bonds often bind different parts of a molecule into a specific three-dimensional shape?

A. Carbon
B. Hydrogen
C. Oxygen
D. Amino acid

Hydrogen

Share This
Flashcard

More flashcards like this

NCLEX 10000 Integumentary Disorders

When assessing a client with partial-thickness burns over 60% of the body, which finding should the nurse report immediately? a) ...

Read more

NCLEX 300-NEURO

A client with amyotrophic lateral sclerosis (ALS) tells the nurse, "Sometimes I feel so frustrated. I can’t do anything without ...

Read more

NASM Flashcards

Which of the following is the process of getting oxygen from the environment to the tissues of the body? Diffusion ...

Read more

Unfinished tasks keep piling up?

Let us complete them for you. Quickly and professionally.

Check Price

Successful message
sending