BIOLOGY

Question 1

What are the three molecules that are found in carbohydrates?

Answer 1

D. Carbon, hydrogen, and oxygen

Question 2

. What type of lipids are primarily used for energy storage in the body?

Answer 2

Triacylglycerols

Question 3

Which of the following is true about phospholipids?

Answer 3

Its tail is hydrophobic

Question 4

Steroid is a type of what biomolecule?

Answer 4

Lipid

Question 5

What is a chain of repeating units of monomers?

Answer 5

Polymer

Question 6

Which of the following is the bond that links amino acids in a protein molecule?

Answer 6

Peptide bond

Question 7

Fructose, glucose, and galactose are examples of what classification

Answer 7

Monosaccharides

Question 8

What type of protein is at the core of the immune system of animals?

Answer 8

Antibodies

Question 9

Which of the following are not elemental components of ATP?

Answer 9

Lithium

Question 10

Which of the following are molecules that allow organisms to transfer genetic
information from one organism to another?

Answer 10

D. Nucleic acids

Question 11

Crustaceans

Answer 11

Carbohydrates

Question 12

Chocolate

Answer 12

Carbohydrates

Question 13

Hamburgers

Answer 13

– Lipids

Question 14

Junk foods

Answer 14

Lipids

Question 15

Tuna -

Answer 15

Proteins

Question 16

An element is to a (an) tissue is to (an)

Answer 16

atom; organism

Question 17

In the term trace element, the modifier trace means

Answer 17

The element is required in very small amounts.

Question 18

Compared to 31P, the radioactive isotope
3P has

Answer 18

one more neutron

Question 19

What do the four elements most abundant in life car-bon, oxygen, hydrogen, and nitrogen-have in common?

Answer 19

They are all relatively light elements, near the top of the periodic table.

Question 20

The atomic number of sulfur is 16. Sulfur combines with hydrogen by covalent bonding to form a compound, hydrogen sulfide. Based on the electron
configuration of sulfur, we can predict that the molecular formula of the compound will be

Answer 20

• H2S

Question 21

Which of these statements is true of all anionic atoms?

Answer 21

The atom has more electrons than protons.

Question 22

Which of the following statements correctly describes any chemical reaction that has reached equilibrium?

Answer 22

The rate of the forward reaction equals the rate of the reverse reaction.

Question 23

The following are the simplest form of a substance found in the body. Except?

Answer 23

SO2

Question 24

What do you call to the simplest form of a substance in atom?

Answer 24

• Element

Question 25

The following are examples of compound substances. Except?

Answer 25

N

Question 26

What type of compounds are those without carbon?

Answer 26

• Inorganic

Question 27

What do you call to a substance composed of two or more elements that are chemically bonded together

Answer 27

Compound

Question 28

What atom is the backbone of all macromolecules?

Answer 28

Carbon

Question 29

Glucose us an examplr of monosaccharide in carbohydrates. What is the molecular formula of glucose?

Answer 29

C6H1206

Question 30

What is the repeating units that serves as a building blocks of a polymer?

Answer 30

Monomer

Question 31

What is the long molecule consisting of many similar or identical building blocks linked by covalent bonds?

Answer 31

• Polymer

Question 32

What coefficients must be placed in the blank to balance this chemical reaction?
?С02 + 2Н20 –> С6Н1206 + 202

Answer 32

• 6;6