Enzymes and Homeostasis Flashcards

1
Q

In an enzyme catalyzed reaction, reaction rate will continue to increase with the addition of more substrate until all and I’m active sites are?

A

Saturated

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2
Q

Components of the body which takes temperature changes

A

Thermoreceptors

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3
Q

The enzyme Maltase composes what sugar

A

maltose

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4
Q

The enzyme catalyzes the decomposition of hydrogen peroxide

A

Catalase

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5
Q

If your body temperature drops below normal, your brain may direct your body to start involuntary muscle contractions which make you start to

A

Shiver

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6
Q

Opponents of the body which to check light

A

Photo receptors

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7
Q

What Glands secrete hormones directly into the blood

A

Endocrine

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8
Q

What gland secrete hormones in the ducts

A

Exocrine

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9
Q

The idea that active site modifies it shape as it forms see enzyme substrate complex

A

Induced it

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10
Q

Every enzyme has what optimal that will work in The Body

A

PH

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11
Q

In order to function properly, enzymes require an additional substance called a _______ Which are typically in organic ions of metal

A

Cofactors

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12
Q

Enzymes are said to be ______ because each enzyme catalyzed is only one type of reaction

A

Specific

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13
Q

Enzyme activity can be reduced when temperatures become too _______ This situation can be reversed

A

Cold

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14
Q

A biological catalyst is called

A

Enzyme

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15
Q

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

A

Substrates

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16
Q

Maintaining the internal environment of the body at Equilibrium

A

Homeostasis

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17
Q

The model that considers a substrate and active site to be a perfect fit for each other

A

Lock and key

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18
Q

The protein portion of an enzyme is called the

A

Apoenzyme

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19
Q

Components of the body which detect changes in blood pressure

A

Pressuro Receptors

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20
Q

Blood pressure, blood pH and glucose levels are all part of what form of feedback system when the Correction of the level which is out of range leads to slowing or seizing of the correction measure

A

Negative

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21
Q

What energy is the amount of energy that is required to get a chemical reaction started

A

Activation energy

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22
Q

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

A

Metabolism

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23
Q

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

A

Thyroid gland

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24
Q

Are organic, but Non-protein substance which place is a role in forming a function enzyme

A

Co enzyme

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25
In order to cool your body down blood vessels near the surface of the skin well
Dialate
26
What feedback systems are very rare in humans but are present in situations like childbirth and breast-feeding
Positive feedback
27
All enzymes names and in the suffix
Ase
28
This element is required for the production of thyroxine
Iodine
29
Increasing this factor will increase the rate of a chemical reaction
Surface area
30
The receptors for regulating Body temperature are located in the part of the brain
Hypothalamus
31
The word is what happens to protein when it’s shape is changed by being supposed to heat or chemicals
Denature
32
All the body sensory receptors are connected to the
Nervous system
33
Enzyme activity can be greatly reduced when temperatures get to ______ This situation is irreversible
Hot
34
This enlargement of the throat can occur due to either hyper thyroidism or hyperthyroidism
Goiter
35
Lipid based hormones are composed of
Steroids
36
The portion of an enzyme that binds with this substrate
Active site
37
Solution with a higher _______ the will provide a faster reaction rate than a solution with one that is lower
Concentration
38
A factor affecting the rate of a chemical reaction
Temperature
39
The term metabolic refers to a sequence of enzyme catalyze reactions linked together
Metabolic Pathways
40
When the product of an enzyme catalyzed reaction binds to the _______ Cite the enzyme, it causes a change to the shape of the active site in the inside becomes temporarily
Allosteric site
41
This occurs to connect a situation when a receptor detects the conditions in the body are out of the normal range
Adaptive response
42
The negative feedback is when the increase in the product of an enzyme catalyzed Reaction causes the radio that reaction to slow by inhibiting associated enzyme
Inhibition
43
Components of the body which detects chemical changes
Chemoreceptors
44
These like mercury and lead can cause intrusion of an
Heavy metals
45
What type of Hormone is insulin
Protein hormone
46
These are chemical messengers which helps cells communicate with each other
Hormones
47
Organic nonprotein cofactors are often derived from these substances
Vitamins
48
This increases the rate of a chemical reaction by lowering the activation energy
Catalyze
49
Factor affecting the rate of a chemical reaction
Temperature
50
These are inhibitors that permanently behind the active site of an enzyme, rendering them in active
Poison
51
Holoenzyme
a biochemically active compound formed by the combination of an enzyme with a coenzyme.
52
Stimulus
a thing or event that evokes a specific functional reaction in an organ or tissue.
53
Receptors
Receptors are proteins, usually cell surface receptors, which bind to ligands and cause responses in the immune system
54
Adaptive response
changes in brain activity that are designed to maintain homeostasis and performance where possible.
55
Peptide hormone
are hormones whose molecules are peptides or proteins, respectively
56
Steroid hormone
A steroid hormone is a steroid that acts as a hormone. Steroid hormones can be grouped into two classes: corticosteroids and sex steroids.
57
Pituitary gland
The pituitary gland is a small pea-sized gland that plays a major role in regulating vital body functions and general wellbeing.
58
Four factors which affect the rate of a chemical reaction
Reactant concentration, the physical state of the reactants, and surface area, temperature, and the presence of a catalyst
59
The different components and regions of an enzyme
Cofactor, coenzyme, apoenzyme, holoenzyme, allosteric site, allosteric inhibitor, competitive inhibitor, substrate
60
The role of enzymes in a metabolic pathway
Enzymes in chemical reactions have the power to break down, build up, or stop a chemical reaction.
61
differentiate between the lock and Key and induced fit model of enzyme action
The lock-and-key model portrays an enzyme as conformationally rigid and able to bond only to substrates that exactly fit the active site. The induced fit model portrays the enzyme structure as more flexible and is complementary to the substrate only after the substrate is bound.
62
How does negative feedback inhibition affect an enzyme catalyzed reaction
slows down or stops the enzyme's activity so that little or no new end product is produced
64
What’s the difference between a coenzyme in a cofactor
A coenzyme is a vitamin and a cofactor is a metal ion
65
What’s the hormone in pregnancy
Oxytocin
66
In metabolic pathways what our products and what are reactants
A and B are reactants and C and D are products
67
What are in cells to make proteins
Ribosomes, Nucleus, Golgi apparatus
68
What Causes an enzyme to denature
Heavy metals, high or low pH, hot temperature
69
What is important enzymes
tertiary
70
What is metabolic
The rate mitochondria is making ATP
71
Where is low pH found
The stomach
72
Where is alkalinity. Found
Small intestine
73
Enzymes together are called
Enzyme substrate complex
74
If you stay the same or constant you have work for my feedback
negative feedback
75
What are the two glands in thyroxine and what do they do
There’s two paternity glands and they tell the thyroid to start making more thyroxine
76
If you have a reaction where things are being put together is called
Synthesis
77
Do you have things breaking apart it’s called
Hydrolysis
78
What hormones can’t go Through the cell membrane
Protein hormones
79
What hormones can cause right through the Cell membrane
Steroid hormone
80
Why do enzymes make reaction happen faster
Enzymes are biological catalysts. Catalysts lower the activation energy for reactions.
81
What does cyanide stop you from doing
Large doses of cyanide prevent cells from using oxygen and eventually these cells die