Test Questions

Question 1

The subatomic particles found outside the nucleus of an atom are?

Answer 1

Electrons

Question 2

The positively charged particle in an atom is the?

Answer 2

Proton

Question 3

Temperature is a measurement of…

Answer 3

the speed of moving particles

Question 4

A compound held together by opposite electrical charges is a(n)

Answer 4

Ionic compound

Question 5

Covalent bonds form when atoms __________ electrons.

Answer 5

Share

Question 6

pH is the abbreviation for…

Answer 6

Potential of hydrogen

Question 7

A substance that is neither an acid or a base is…

Answer 7

Neutral

Question 8

An atom that has an electrical charge.

Answer 8

Ion

Question 9

1. Lipid A. Monosaccharides
2. Nucleic Acid B. Amino acids
3. Protein C. Nucleotides
4. Carbohydrate D. Fatty acids/glycerol

Answer 9

1. D (Lipid)
2. C (Nucleic Acid)
3. B (Protein)
4. A (Carb)

Question 10

Lipid A Quick energy
Nucleic acid B Longterm energy, cell mem
Protein C Enzymes, muscle develop
Carb D Genetic material

Answer 10

Lipid - B
Nucleic acid - D
Protein - C
Carb - A

Question 11

Which are unicellular: plants, animals or bacteria?

Answer 11

Bacteria

Question 12

Which do not consist of eukaryotic cells: plants, animals, or bacteria?

Answer 12

Bacteria

Question 13

The genetic material of a bacterium is located within its ___________________.

Answer 13

Nucleoid

Question 14

A system of fibers within a bacterium that provides structure is the _______________.

Answer 14

Cytoskeleton

Question 15

A cellular organelle that “reads” RNA and assembles amino acids into proteins is what?

Answer 15

Ribosome

Question 16

The genetic material within the nucleus of a cell, consisting of DNA, RNA, and associated proteins is known as ___________________.

Answer 16

Chromatin

Question 17

What happens to a cell if it is exposed to a temp outside of its range of tolerance?

Answer 17

The cell quickly dies

Question 18

When cells and the solution surrounding them contain equal amounts of solute, the solution is said to be _______________.

Answer 18

Isotonic

Question 19

Which type of transport across a cell membrane requires energy?

Answer 19

Active transport

Question 19

True/False Cell theory is a model that explains the way cells work.

Answer 19

True

Question 19

True/False Cells in a colony work together but cannot live independently from one another.

Answer 19

False

Question 20

True/False Both Eukaryotic and prokaryotic cells contain organelles.

Answer 20

True

Question 21

True/False Homeostasis is the process by which a cell maintains a stable condition in its external environment.

Answer 21

False - in its internal environment

Question 22

True/False Diffusion and osmosis are different words that mean the same process.

Answer 22

False - they are different processes

Question 23

True/False Osmosis produces equal solution concentrations on both sides of a semipermeable membrane.

Answer 23

False - It moves from low to high solute concentration

Question 24

True/False Semipermeable membranes allow particles in a solution to pass through in both directions.

Answer 24

True

Question 25

True/False Passive transport can move particles from regions of low concentration to regions of high concentration.

Answer 25

False - because it is passive, it needs to be active transport

Question 26

What is the molecule that cells use to temporarily store energy?

Answer 26

Adenosine triphosphate

Question 27

Why can't cells directly use energy from glucose?

Answer 27

Glucose has too much energy

Question 28

Which part of a nucleotide is different in each of the five kinds of nucleotide found in DNA or RNA?

Answer 28

Nitrogenous base

Question 29

The 2 sides of the DNA "ladder" are held together by what?

Answer 29

Hydrogen bonds

Question 30

In a DNA molecule, adenine always bonds to?

Answer 30

Thymine

Question 31

How are proteins made?

Answer 31

By using information stored in DNA

Question 32

What is the cellular organelle that reads an RNA strand and assembles amino acids into a protein?

Answer 32

Ribosome

Question 33

Why do cells have a continuous supply of ATP?

Answer 33

ADP is recycled to make more ATP

Question 34

Nucleic acids such as DNA and RNA store?

Answer 34

Information

Question 35

Adjacent amino acids in a protein are joined by what kind of bonds?

Answer 35

Peptide

Question 36

What does a transfer RNA match to it's corresponding codon on the messenger RNA?

Answer 36

Anticodon

Question 37

A triplet of nucleotide bases that corresponds to a particular amino acid is a what?

Answer 37

Codon

Question 38

True/False Autotrophs are organisms that make their own food.

Answer 38

True

Question 39

True/False Energy is released from ATP when it reacts with water to produce ADP.

Answer 39

True

Question 40

Mistakes made during DNA replication can cause mutations.

Answer 40

True

Question 41

True/False An RNA molecule is an exact duplicate of the DNA from which it is copied.

Answer 41

False

Question 42

True/False RNA exits the nucleus through osmosis.

Answer 42

False

Question 43

During replication, which sequence of nucleotides would bond with the DNA sequence TATGA?

Answer 43

ATACT

Question 44

In which of the following ways does RNA differ from DNA?

Answer 44

RNA contains uracil and ribose

Question 45

Which mRNA sequence would be made from the DNA sequence GGTACT?

Answer 45

CCAUGA

Question 46

How many codons is the sequence UGCCAAGUUAGG made of?

Answer 46

4

Question 47

Process of assembling a protein on the basis of the information in an RNA molecule.

Answer 47

Translation

Question 48

Portion of an RNA molecule that does not contain information for making a protein and is removed prior to the RNA molecule leaving the nucleus.

Answer 48

Intron

Question 49

Process of making a new DNA molecule by copying an existing DNA molecule.

Answer 49

Replication

Question 50

Portion of an RNA molecule that codes for making a protein.

Answer 50

Exon

Question 51

Process of copying an RNA molecule from a DNA molecule.

Answer 51

Transcription