Science test

Question 1

What is the process of building larger molecules from smaller ones in metabolism called

Answer 1

Anabolism

Question 2

What is the name of monomers of carbs

Answer 2

monosacchrides

Question 3

Which reaction involves the removal of water to join two molecules?

Answer 3

Dehydration synthesis

Question 4

what is the primary role of carbohydrates in the body

Answer 4

providing energy

Question 5

which of the following is a characteristic of unsat fats

Answer 5

Contains one or more double bonds between carbon atoms

Question 6

What is the basic subunits of a triglyceride

Answer 6

Glycerol and 3 fatty acids

Question 7

Which of the following is a polymer of protein

Answer 7

Polypeptide

Question 8

What happens to a protein during denaturation

Answer 8

its 3D shape is destroyed

Question 9

What is the role of insulin in the body

Answer 9

Telling cells to bring in glucose

Question 10

what distinguishes simple carbohydrates from complex carbohydrates

Answer 10

The number of monnosacchrides linked

Question 11

What is an essential amino acid

Answer 11

An amino acid that must be obtained through a diet

Question 12

What is a process that breaks polymers into monomers

Answer 12

Hydrolysis

Question 13

What type of fat is formed during hydrogention

Answer 13

Trans fats

Question 14

Which macromolecule serves as a long-term energy storage molecule

Answer 14

Lipids

Question 15

how do saturated fats differ from unsaturated fats

Answer 15

saturated fats have no double bonds in the carbon chain

Question 16

What element is unique to proteins

Answer 16

Nitrogen

Question 17

Which of the following is a role of proteins in the body

Answer 17

catalyzing metabollic reactions

Question 18

Which of the following is an example of a complex carbohydrate

Answer 18

Glycogen

Question 19

Which metabolic reaction realeases energy by breaking down large molecules

Answer 19

Catabolism

Question 20

In dehydration synthesis, what type of bond forms between 2 amino acids

Answer 20

peptide bond

Question 21

Which enzyme catalyzes the breakdown of lactose

Answer 21

Lactase

Question 22

What is the structural difference between cis and trans fatty acids

Answer 22

Cis = hydrogen atoms are on the same side around the double bond; Trans = hydrogen atoms
are on the opposite sides.

Question 23

What is the primary role of high-density lipoprotein in the body?

Answer 23

Transport cholesterol through the blood

Question 24

Why are complex carbs considered healthier than simple carbs

Answer 24

They longer energy due to slower digestion

Question 25

What happens to carbs that are consumed in excess of the body's energy needs

Answer 25

They are stored as glycogen or converted to fat

Question 26

why are trans fats considered harmful to health

Answer 26

They raise LDL cholesterol and lower HDL cholesterol

Question 27

Which carb is indegestible by humans is important for gu health

Answer 27

Cellulose

Question 28

what role do proteins play in the immune system

Answer 28

Forming antibodies

Question 29

What about its structure makes cellulose insdegestible

Answer 29

It contains trans bonds between glucose molecules

Question 30

What causes proteins to denature

Answer 30

Adding heat or changing pH