Enzymes

Question 1

Reaction rate will increase with the addition of more substrate until all enzyme active sites are _____

Answer 1

Saturated

Question 2

Components of the body that detect temperature changes?

Answer 2

Thermoreceptors

Question 3

The enzyme Maltese decomposes the sugar _____

Answer 3

Maltose

Question 4

This enzyme catalyze the decomposition of hydrogen peroxide.

Answer 4

Catalase

Question 5

If your body temp. Drops below normal, your brain will send signals and u start to _____

Answer 5

Shiver

Question 6

Components of the body which detect light

Answer 6

Photoreceptors

Question 7

When an enzyme product binds to the ______ site it causes a change to the shape of the active site

Answer 7

Allosteric

Question 8

______ glands secrete hormones directly into the blood

Answer 8

Endocrine gland

Question 9

____ glands secrete hormones into ducts

Answer 9

Exocrine gland

Question 10

An ___ Ocurs to correct the situation when a receptor detects that conditions on the body are out of the normal range

Answer 10

Adaptive response

Question 11

The idea that the active site modified its shape as it forms the enzyme substrate complex

Answer 11

Induced fit

Question 12

Every enzyme has an optimal ____ at which it will work in the body

Answer 12

PH

Question 13

Enzymes require an additional substance called a ____

Answer 13

Co-enzyme

Question 14

Co-factors can belong to this group of substances

Answer 14

Metals

Question 15

Some enzymes are ___ because each enzyme catalyze only one type of reaction

Answer 15

Specific

Question 16

Enzyme activity can be reduced when temperatures become to ____. This can be reversed

Answer 16

Cold

Question 17

A biological catalyst is called an ______

Answer 17

Enzyme

Question 18

A word used to describe a substance which will combine with the active site of an enzyme during reaction

Answer 18

Substrate

Question 19

Negative feedback _____ occurs when the increase in the enzyme (product) catalyze reaction causes the rate of reaction to slow by inhibiting the enzyme

Answer 19

Inhibition

Question 20

Maintaining the internal environment of the body at equilibrium

Answer 20

Homeostasis

Question 21

The model that considers the substrate and active site to be a perfect fit.

Answer 21

Lock and key

Question 22

Components of the body which detect chemical changes

Answer 22

Chemoreceptors

Question 23

_____ like mercury and lead can cause the denaturation of enzymes

Answer 23

Heavy metal

Question 24

The protein portion of an enzyme is called the ____

Answer 24

Apoenzyme

Question 25

Components of the body which detect changes in blood pressure

Answer 25

Pressoreceptors

Question 26

Insulin is an example of a ____ hormone

Answer 26

Peptide

Question 27

Blood pressure, blood pH, and blood glucose levels are all part of ____ feedback

Answer 27

Negative

Question 28

The ____ energy that is required to get a chemical reaction started

Answer 28

Activation

Question 29

Metabolic rate is controlled by the hormone thyroxine which is produced by the ____ gland

Answer 29

Thyroid

Question 30

An organic, but non-protein substance which place a role in forming a functioning enzyme

Answer 30

Co-factor

Question 31

In order for your body to cool, blood vessels near the surface of your skin will ____

Answer 31

Dilate

Question 32

____ feedback systems are very rare in humans but are present in situations like childbirth

Answer 32

Positive

Question 33

All enzymes end in the suffix ____

Answer 33

ASE

Question 34

This element is required for thyroxin

Answer 34

Iodine

Question 35

____ are chemical messengers that help cells communicate with eachother

Answer 35

Hormones

Question 36

The receptors for regulating body temperature are in this part of the brain

Answer 36

Hypothalamus

Question 37

This happens to a protein when it changes shape due to heat

Answer 37

Denature

Question 38

The body’s sensory receptors are connected to the _____

Answer 38

Nervous system

Question 39

Organic but non-protein co factors are often derived from this substance

Answer 39

Vitamins

Question 40

Enzyme activity can be greatly reduced when it gets to ____. This situation is irreversible

Answer 40

Hot

Question 41

This enlargement of the neck to 10 because due to Hypothyroidism or hyperthyroidism

Answer 41

Goitre

Question 42

Lipid based hormones are composed of _____

Answer 42

Steroids

Question 43

The portion of an enzyme that binds with the substrate

Answer 43

Active site

Question 44

A ____ Increases the rate of a chemical reaction by lowering the activation energy

Answer 44

Catalyst

Question 45

A solution with a higher _____ Will provide a faster reaction rate than a solution with one that is lower

Answer 45

Concentration

Question 46

A factor affecting the rate of a chemical reaction

Answer 46

Temperature

Question 47

Many ____ Our inhibitors that permanently blind to the active site of enzymes, rendering them in active

Answer 47

Poisons

Question 48

The term metabolic ____ Refers to a sequence of enzyme catalyzed chemical reactions which are all linked to each other

Answer 48

Pathway

Question 49

This word refers to the combination of all chemical reactions that are occurring within an organism

Answer 49

Metabolism

Question 50

Increasing this factor will increase the rate of a chemical reaction

Answer 50

Surface area

Question 51

Respond to mechanical forces

Answer 51

Mechanoreceptors

Question 52

Too little thyroxin

Answer 52

Hypothyroidism

Question 53

Too much thyroxin

Answer 53

Hyperthyroidism

Question 54

Thyroid gland fails to develop during infancy this happens

Answer 54

Cretinism