QUESTION 5 The most important thing about protein function i

QUESTION 5

The most important thing about protein function is the three-dimensional shape of the protein.

True

False

4 points   

QUESTION 6

Low levels of radiation are commonly used to

sterilize dental products.

destroy cancer cells.

produce images of body parts.

All apply.

4 points   

QUESTION 7

If a protein has more than one polypeptide arranged together, this is the ____ structure of a protein.

primary

secondary

tertiary

quaternary

4 points   

QUESTION 8

If the heart is cut to give the atria and the ventricles, it was cut on a

transverse plane.

midsagittal plane.

frontal plane.

longitudinal section.

4 points   

QUESTION 9

In the DNA molecule, the complementary base pair of adenine is always

uracil.

cytosine.

thymine.

guanine.

4 points   

QUESTION 10

Very small protein molecules that seem to be disease causing agents are called

viruses.

bacteria.

flukes.

prions.

4 points   

QUESTION 11

A weak base will accept many hydrogen ions.

True

False

4 points   

QUESTION 12

Hydrochloric acid is considered a strong acid because it

produces very few hydrogen ions in water.

produces many hydroxide ions in water.

produces many hydrogen ions in water.

dissociates very little in water.

4 points   

QUESTION 13

Which type of cut or section will give right and left portions?

Sagittal

Transverse

Frontal

Coronal

4 points   

QUESTION 14

The foot is proximal to the knee.

True

False

4 points   

QUESTION 15

Which of the following is the main component of fiber in our diet?

Glycogen

Protein

Cellulose

Starch

4 points   

QUESTION 16

What is used in a sonogram to create an image?

Sound waves

Electrons

Gamma rays

X-rays

4 points   

QUESTION 17

The subunit molecules for proteins are

atoms.

amino acids.

enzymes.

polymers.

4 points   

QUESTION 18

Which of the following types of reactions involves the production of a larger product by combining smaller reactants?

Degradation

Replacement

Synthesis

Decomposition

4 points   

QUESTION 19

Over 90% of the body is composed of four elements: carbon, nitrogen, chlorine, and hydrogen.

True

False

4 points   

QUESTION 20

Which of the following occurs as a result of positive feedback and assists in the maintenance of homeostasis?

Body temperature regulation

Blood pH regulation

Blood clot formation

Blood cell production

4 points   

QUESTION 21

The atomic mass of a proton is

0 atomic mass units.

2 atomic mass units.

1 atomic mass units.

-1 atomic mass units.

4 points   

QUESTION 22

A bond created from the attraction between positively and negatively charged ions is a(n) ______ bond.

covalent

hydrogen

ionic

metallic

4 points   

QUESTION 23

All radioactive isotopes are very dangerous and have no practical, safe uses.

True

False

4 points   

QUESTION 24

The armpit is which region?

Acromial

Pectoral

Mammary

Axillary

4 points   

QUESTION 25

Fats are usually liquid at room temperature and oils are solids.

True

False

		True
		False

Solution

15.Answer: True , protein has three dimensional structure and each specific quality because of it. Function of protein depends on it

6.Answer;d. All are true so radiation like gamma rays help in killing of cell hence used in treatment of cancer.

7.Answer d Quaternary structure

8.Answer

9 Answer c ,Adenine pairs with thymine by double bond

10.Answer f.prion are proteineacous particle causese disease known ad scrapie

11.Answer True waek bases will accept hydrogen ions

12 .Answer a . Hydrogen ions is released by HCL

13.Answer d.Cut into right and left part

14.Answer ,False ,foot is proximal . proximal is close to midline

15.Answer c.Cellulose iis a fiber,it is a polysaccharide

16.Answer a . Sound frequency above 20,000 Hz

17.Answet b. Sub unit of protein is amino acid

18. Answer c : Synthesis

19 Answer False chlorine is not in it

20. Answer a,b

22.Answer

23 Answer false

24. Answer d.;area directly under joint

25._Answer false fat are liquid