Exam Review

Question 1

What is the part of an experiment that can be changed called

Answer 1

Variable

Question 2

What is the function of the nucleus

Answer 2

Control cell activity

Question 3

Which of the following is part of a bacteria cell
A. Lysosomes
B.  Mitochondria  
C. Cell wall
D. Nucleus

Answer 3

Cell wall

Question 4

An atoms nucleus contains

Answer 4

Protons and neutrons

Question 5

What are organisms that cannot make their own food

Answer 5

Consumers

Question 6

What is in RNA but not in DNA

Answer 6

Uracil

Question 7

If a sex cell 8 chromosomes ,how many chromosomes will there be after fertilization

Answer 7

16

Question 8

Sex of the offspring is determined by

Answer 8

x= mother 
y= father

Question 9

Down syndrome is an example of a

Answer 9

Chromosome disorder

Question 10

A process of the food industry that is used to kill harmful bacteria is

Answer 10

Pasteurization

Question 11

Which term best describes bacteria 
A.anaerobic
B. Pathogens 
c. Many celled
D. Beneficial

Answer 11

Beneficial

Question 12

Where are immovable joints found in the human body

Answer 12

Skull

Question 13

Where are blood cells made

Answer 13

Marrow

Question 14

What is the correct sequence of the organs of the digestive tract

Answer 14

Mouth 
Esophagus 
Stomach 
Small intestine 
Large intestine

Question 15

The amount of energy in foods is measured in ________ .

Answer 15

Calories

Question 16

T or F

Tools used to identify organisms include field guides and dichotomous keys

Answer 16

T

Question 17

T or F

Often scientific methods just lead to more questions and experiments

Answer 17

T

Question 18

Mitochondria are often nicknamed the powerhouse

T or F

Answer 18

T

Question 19

T or F

Cells with membrane bound structures are called eukaryotic

Answer 19

F

Question 20

T or F

Four groups of organic compounds that make up all living things are carbohydrates, proteins, ions, and nucleic acids

Answer 20

F

Question 21

T or F

One of the most important inorganic compounds for living things is sugar

Answer 21

F

Question 22

T or F

Meiosis has two divisions of the nucleus - mitosis and meiosis 1

Answer 22

F

Question 23

T or F
A lizard having its tail cut off and then growing a new tail in a
few days is an example of regeneration

Answer 23

T

Question 24

T or F

A pedigree is a visual tool for following a trait through generations of a family

Answer 24

T

Question 25

T or F | Genes determine many of your traits but you might influence their expression by external internal factors

Answer 25

T

Question 26

T or F | Some bacteria have a slime layer surrounding their capsule

Answer 26

T

Question 27

T or F | Muscles always push they never pull

Answer 27

F

Question 28

T or F | You have 300 bones in your body

Answer 28

F

Question 29

T or F | A gram of carbohydrate can release more than twice the amount of energy a gram of fat can

Answer 29

F

Question 30

T or F | Six essential amino acids are made in the body and must be provided by the foods you eat

Answer 30

F

Question 31

List the steps, in order , of the scientific method

Answer 31

1. State the problem 2. Gather information 3. Form a hypothesis 4. Experiment 5. Analyze data 6. Draw conclusions

Question 32

What does the abbreviation [ SI ] mean ?

Answer 32

International service

Question 33

List 3 of the 6 kingdoms for classifying an organism that Linnaeus created

Answer 33

1. Family 2. Order 3. Class

Question 34

List the three main kinds of RNA in a cells nucleus

Answer 34

1. Messenger RNA 2. ribosomal RNA 3. Transfer RNA

Question 35

1. Blood = _________ 2. Dispersal of air throughout a room=_________ 3. Particle with no charge =________ Electron diffusion suspension

Answer 35

1. Suspension 2. diffusion 3. Electron

Question 36

Give an example of a body part for each moveable joint 1. Ball and socket 2. Hinge

Answer 36

1. Ball and socket = shoulder | 2. Hinge = finger

Question 37

Name one immovable body part

Answer 37

Skull

Question 38

List the 4 stages ,in order, in which food is processed in your body

Answer 38

1. Ingestion 2. Digestion 3. Elimination 4. Absorption

Question 39

What does the first word in the two word name of an organism identify

Answer 39

Genus