“Know This” A&p Chapters 1 & 2

Front 1

Describe negative feedback.

Back 1

Negative feedback is when the effector opposes the stimulus and reverses the direction of change.

Front 2

Things that affect chemical reaction:

Back 2

1. temperature, heat speeds up molecular movement, increasing the frequency in force of collisions between molecules.

2. Concentration: concentrated solutions molecules are more densely packed increasing the rate of pollution.

3. Catalysts, these are the chemical substances that speed up the rate of reaction.

Front 3

Define enzyme.

Back 3

A substance that acts as a catalyst to bring about a certain chemical reaction.

Front 4

Purposes of water:

Back 4

Water is a solvent. It dissolve substances. It is also a lubricant, that clings to the bodies tissues. It also changes the temperature slowly.

Front 5

Acids ____ hydrogen ions, bases _____.

Back 5

Acids release hydrogen ions, bases accept.

Front 6

What is the storage form of glucose?

Back 6

Glycogen.

Front 7

What is the primary source of energy in the body?

Back 7

Carbohydrates.

Front 8

What is one sugar unit, containing glucose, fructose, galactose?

Back 8

Monosaccharides

Front 9

What are two sugar units containing sucrose, lactose, maltose?

Back 9

Disaccharides.

Front 10

What are many sugar units in chains, containing glycogen starch and cellulose?

Back 10

Polysaccharides.

Front 11

What sugar unit contains glucose, fructose, and galactose?

Back 11

Monosaccharides.

Front 12

What sugar unit contains sucrose, lactose, and maltose?

Back 12

Disaccharides.

Front 13

What sugar unit contains glycogen, starch, and cellulose?

Back 13

Polysaccharides.

Front 14

Proteins have smaller subunits called ____ ____ which are linked by _____ _____.

Back 14

Proteins have smaller subunits called amino acids which are linked by peptide bonds.

Front 15

When you give a calcium supplement, you need _____ for absorption.

Back 15

Vitamin D.

Front 16

Blood glucose levels should remain between

Back 16

65 & 99 mm/dl

Front 17

Molecules and atoms come together to form cells, which are :

Back 17

The smallest living units

Front 18

Molecules and atoms come together to form cells, which are :

Back 18

The smallest living units

Front 19

Orangabelles are metabolic units within the cells, but are not :

Back 19

Living units on their own

Front 20

The body consists of how many organ systems

Back 20

11

Front 21

The body consists of how many organ systems

Back 21

11

Front 22

The body maintains equilibrium through the process of

Back 22

Negative feedback

Front 23

The body consists of how many organ systems

Back 23

11

Front 24

The body maintains equilibrium through the process of

Back 24

Negative feedback

Front 25

Uneven distribution of electrons make water a ;

Back 25

Polar molecule

Front 26

The sum of all chemical reactions in the body is

Back 26

Metabolism

Front 27

The sum of all chemical reactions in the body is

Back 27

Metabolism

Front 28

What breaks down complex compounds into simpler ones?

Back 28

Catabolism

Front 29

The sum of all chemical reactions in the body is

Back 29

Metabolism

Front 30

What breaks down complex compounds into simpler ones?

Back 30

Catabolism

Front 31

What builds larger, more complex molecules from smaller subunits?

Back 31

Anabolism

Front 32

Inorganic compounds do or do not contain carbon?

Back 32

Inorganic compounds do not contain carbon.

Front 33

Glucose is the primary form of sugar used by what

Back 33

Cells

Front 34

Glucose is the primary form of sugar used by what

Back 34

Cells

Front 35

The most abundant and important organic compound in the body is?

Back 35

Proteins

Front 36

What is a nucleotide that stores energy?

Back 36

ATP