Exam 3 Pg130-187 Smallest Life Forms

Question 0

All organic compounds must contain

Answer 0

Carbon

Question 1

All living organisms contain the following elements:

Answer 1

Carbon, nitrogen, oxygen, hydrogen

Question 2

Organisms are made of cells and cells com from other cells is ____ theory.

Answer 2

Cell theory

Question 3

What are the 3 basic parts of the cell?

Answer 3

Cell membrane
Cytoplasm
Nucleus

Question 4

Cytoplasm is composed mainly of

Answer 4

Water

Question 5

If you looked under a microscope and saw a cell with a cell wall and chloroplasts, you would know that the cell was a

Answer 5

Plant

Question 6

A particle with DNA but no nucleus or cell wall is a

Answer 6

Virus

Question 7

Scientists use a working argument called a

Answer 7

Hypothesis

Question 8

In order to obtain energy and build new material, all living things carry on the process of ____ and reduction.

Answer 8

Oxidation

Question 9

A ____ is a collection of facts and observations which not only describe events happening now, but also predicts future events.

Answer 9

Theory

Question 10

Algae are simple __.

Answer 10

Plants

Question 11

Algae produce what percent of atmospheric oxygen?

Answer 11

50-90%

Question 12

Oxygen is produced by algae in the process of ___.

Answer 12

Photosynthesis

Question 13

Water__ is A threat to algae, and to the supply of oxygen we breathe.

Answer 13

Pollution

Question 14

Protozoa are simple __.

Answer 14

Bacteria

Question 15

What can do these. 5 things:

Grow, reproduce, respond, move, oxidation/reduction to produce energy

Answer 15

Living things

Question 16

Name 4 chemical elements most commonly present in living things.

Answer 16

Carbon,
Oxygen
Hydrogen
Nitrogen

Question 17

Bacilli, spherical, and cocci are three types of

Answer 17

Bacteria

Question 18

Name two elements found in tiny amounts in the cytoplasm

Answer 18

Iron and copper

Question 19

What part of the cell controls the passage of materials in and out of the cell?

Answer 19

Plasma Membrane

Question 20

Penicillin and streptomycin are

Answer 20

Antibiotics

Question 21

Disease causing organisms are called

Answer 21

Pathogens

Question 22

Who developed a vaccination against smallpox?

Answer 22

Edward Jenner

Question 23

What is a substance which contains viral or bacterial antigens?

Answer 23

Vaccine

Question 24

Protection against infection is called

Answer 24

Immunity

Question 25

White bold cells which destroy invaders by surrounding them are called

Answer 25

Antibodies

Question 26

A virus that causes chicken pox, cold sores, and shingles is called

Answer 26

Herpes virus

Question 27

A liquid, containing antibodies, which provide temporary immunity is called

Answer 27

Antiserum

Question 28

Organisms which live in or on other living things are called

Answer 28

Parasites

Question 29

The process by which nitrogen returns to the soil is called

Answer 29

The nitrogen cycle

Question 30

The bacterium that is found in the large intestine is called

Answer 30

E. coli

Question 31

The 3 elements found in tiny amounts of the cytoplasm are

Answer 31

Iron Magnesium Copper

Question 32

Chloroplasts, chlorophyll, and light energy all contribute to what process in plants?

Answer 32

Photosynthesis

Question 33

Another name for living thing is:

Answer 33

Organism

Question 34

The basic units of all living things

Answer 34

Cells

Question 35

Protozoa are not plants. They are simple

Answer 35

Animals

Question 36

Cancer-causing irritants which trigger viruses

Answer 36

Carcinogens

Question 37

A virus which attacks a bacteria

Answer 37

Bacteriophage

Question 38

A disease-causing organism

Answer 38

Pathogen

Question 39

Poisonous chemicals produced by bacteria

Answer 39

Toxins

Question 40

A general term for microscopic forms of life capable of living under ext team conditions.

Answer 40

Microbes

Question 41

Rod shaped bacteria

Answer 41

Bacilli

Question 42

Round, or sphere-shaped bacteria that link together like beads on a necklace.

Answer 42

Cocci

Question 43

Spiral-shaped bacteria are called

Answer 43

Spirilla

Question 44

What is the best line of defense against bacteria?

Answer 44

Hand washing

Question 45

Which occur in the greatest number, beneficial or harmful bacteria?

Answer 45

Beneficial

Question 46

What do almost all bacteria need to reproduce?

Answer 46

Moisture and warmth

Question 47

Under ideal conditions for bacteria, do they multiply slowly or rapidly?

Answer 47

Rapidly

Question 48

What living thing helps nitrogen return to the soil?

Answer 48

Bacteria

Question 49

Protozoa are members of what Kingdom?

Answer 49

Animal

Question 50

Algae are members of what kingdom?

Answer 50

Plant

Question 51

The amoeba is probably the best known member of the __

Answer 51

Protozoa

Question 52

Fungi cannot make their own food, because they are plants without the green pigment___\

Answer 52

Chlorophyll

Question 53

Yeast is a type of ___

Answer 53

Fungi

Question 54

Yeast converts foods to alcohol and vinegar , and causes bread dough to __

Answer 54

Rise

Question 55

What does algae help provide for the air?

Answer 55

Oxygen

Question 56

How many parents are needed for asexual reproduction?

Answer 56

One

Question 57

How many parents are needed for sexual reproduction?

Answer 57

Two

Question 58

Bacteria reproduce by binary fission. What kind of reproduction is binary fission?

Answer 58

Asexual

Question 59

What is the ability to regrow a lost body part called?

Answer 59

Regeneration

Question 60

In flowering plants, what are the structures the structures that contain the embryo and food called?

Answer 60

Seeds

Question 61

Name the male part of the flower.

Answer 61

Stamen

Question 62

Seeds in a plant are formed from the fertilization of___.

Answer 62

Ovules

Question 63

In a plant, a mature ovary is a ___.

Answer 63

Fruit

Question 64

In mammals the male reproductive cell is called the _.

Answer 64

Sperm

Question 65

Fertilization takes place in the female __.

Answer 65

Vagina

Question 66

What supplies food and oxygen for the developing embryo while it is in the uterus?

Answer 66

Placenta

Question 67

How many chromosomes does the human body cell contain?

Answer 67

46

Question 68

How many chromosomes does the human sperm or egg cell contain?

Answer 68

23

Question 69

Chromosomes are made up of genes, and genes contain ___.

Answer 69

DNA

Question 70

What substance contains the codes for the production of proteins and enzymes? This substance is located in genes.

Answer 70

DNA

Question 71

Which gender will a an embryo with the XY chromosome be, male or female?

Answer 71

Male

Question 72

Female reproductive part of a flower

Answer 72

Pistil

Question 73

Tiny new organism formed when egg and sperm join

Answer 73

Embryo

Question 74

In women the most likely time for an egg to be fertilized is about day ___ of her menstrual cycle.

Answer 74

15

Question 75

Organisms can reproduce in two ways. Name them.

Answer 75

Sexual and asexual reproduction

Question 76

Stem cuttings from som kind of plants will grow into new plants . Name two kings of plants.

Answer 76

Willows, lilac, rose, potato, , sugar cane, banana

Question 77

Are new organisms that are produced by asexual reproduction DIFFERENT or IDENTICAL to their parent?

Answer 77

Identical

Question 78

Cell activities are regulated by DNA, because DNA directs the manufacture of the major building blocks of all cells, which are called

Answer 78

Proteins

Question 79

Subunits of the bases cytosine, adenine, and two other based are arranged in sequence to form new copies of the DNA molecule. The two other bases are:

Answer 79

Guanine and Thymine

Question 80

The nucleus acid molecule which contains chemical instructions that direct cell activities and transmit inheritance is called

Answer 80

DNA

Question 81

The structures which govern inheritance are located on the chromosome, and are called

Answer 81

Genes

Question 82

When 2 PUREBRED organisms with different expressions of a trait are crossed, their offspring show only ONE Expression of that trait. In this case, the ONE TRAIT is called:

Answer 82

A Dominant trait

Question 83

The chromosome contribution which decides the sex of the child is the mother or the father?

Answer 83

Father

Question 84

How often do adult males produce sperm?

Answer 84

In monthly cycles

Question 85

Glands in a male secrete the fluid which provides a pathway for sperm. This pathway is called

Answer 85

Semen

Question 86

In the human male, sperm cells are produced in the

Answer 86

Testes

Question 87

The afterbirth , which detaches from the mother 'a body after the baby is born, is made up of the placenta and the __ __.

Answer 87

Umbilical cord

Question 88

During the birth of a baby, contractions help move the baby into the birth canal. The body part which contracts is called the

Answer 88

Uterus