Quiz about Review for Test 2: HS LS 1-1

Question 1

The ___________ is the basic unit of life

Accepted Answer

cell

Answer

organ

Answer

atom

Answer

tissue

Question 2

Which sequence of DNA bases would pair with this partial strand
CAT TCA CTG

Accepted Answer

GTA AGT GAC

Answer

ATG TGA CAG

Answer

TAC ACT GTC

Answer

CAT TCA CTG

Question 3

Which of the following units are repeatedly joined together to form a strand of DNA?

Accepted Answer

nucleotides

Answer

amino acids

Answer

fatty acids

Answer

polysaccharides

Question 4

A process in which DNA has the unique ability to make an exact copy of itself.

Accepted Answer

Replication

Answer

Translation

Answer

Transcription

Question 5

The DNA nucleotide is composed of three parts. Which two components make up the nucleotide backbone?

Accepted Answer

deoxyribose sugar and phosphate group

Answer

ribose sugar and base

Answer

ribose sugar and phosphate group

Answer

nitrogen base and deoxyribose sugar

Question 6

Why is DNA important?

Accepted Answer

it serves as the blueprint for traits of all living things

Answer

it is very small and very complicated

Answer

it's in everything

Answer

because we eat it every day for energy

Question 7

What are the 4 nitrogen bases?

Accepted Answer

adenine, thymine cytosine, and guanine

Answer

adenine, thymine, cytoplasm, and guanine

Answer

adenine, thymine, cytosine, and gylcerol

Answer

adenine, thymine, cytosine, and glucose

Question 8

Which organelle is DNA usually found in?

Accepted Answer

nucleus

Answer

cell membrane

Answer

vacuole

Answer

chloroplast

Question 9

Describes the twisted ladder-like shape of a DNA molecule

Accepted Answer

Double Helix

Answer

Nitrogen Base

Answer

Hexagon

Question 10

What is the main difference between translation and transcription?

Accepted Answer

Translation makes proteins, transcription makes RNA

Answer

Translation makes cells, transcription makes tissues

Question 11

What is the main difference between DNA and RNA?

Accepted Answer

DNA stores genetic information, RNA helps make proteins

Answer

DNA is a sugar, RNA is a nucleotide

Question 12

How does the sequence of DNA affect cellular function?

Accepted Answer

It dictates protein structure, which affects cellular function

Answer

It dictates the function of phospholipids

Question 13

What are base pairs and codons used for in DNA?

Accepted Answer

Base pairs form the rungs of the DNA ladder, codons code for amino acids

Answer

Base pairs are types of sugars, codons are types of lipids

Question 14

What does RNA stand for?

Accepted Answer

Ribonucleic Acid

Answer

Ribosome Nucleic Acid

Question 15

What are nucleotides?

Accepted Answer

Building blocks of DNA and RNA

Answer

A type of cell organelle

Question 16

What is the function of a ribosome?

Accepted Answer

Makes proteins

Answer

transport proteins

Question 17

What are genes?

Accepted Answer

Segments of DNA that carry instructions for traits

Answer

Segments of tRNA and mRNA

Question 18

What are proteins made of?

Accepted Answer

Amino acids

Answer

Nucleotides

Question 19

What is a codon?

Accepted Answer

A sequence of three nucleotides in RNA or DNA

Answer

phosolipid backbone

Question 20

What is transcription?

Accepted Answer

The process of making RNA from DNA

Answer

The process of breaking down proteins

Question 21

What is translation in biology?

Accepted Answer

The process of making proteins from RNA

Answer

The process of cell division

Question 22

What are proteins?

Accepted Answer

Large molecules made of amino acids

Answer

Types of nucleotides

Question 23

In translation, what reads the mRNA?

Accepted Answer

Ribosome

Answer

Lysosome

Question 24

What part of the cell contains genetic information?

Accepted Answer

Nucleus

Answer

Mitochondria

Question 25

Match the following structure to its correct place: Chromosome

Accepted Answer

B

Answer

C

Answer

D

Question 26

Match the following structure to its correct place: Gene

Accepted Answer

D

Answer

B

Answer

C

Question 27

Adenine (A) pairs with which base in DNA?

Accepted Answer

Thymine (T)

Answer

Cytosine (C)

Question 28

Cytosine (C) pairs with which base in DNA?

Accepted Answer

Guanine (G)

Answer

Cytosine (C)

Question 29

The bases in DNA include all of the following EXCEPT?

Accepted Answer

Uracil

Answer

Cytosine

Answer

Thymine

Question 30

What does mRNA stand for?

Accepted Answer

Messenger RNA

Answer

Mitochondrial RNA

Question 31

Which of the following is true about DNA and RNA?

Accepted Answer

DNA and RNA have different functions in the cell

Answer

DNA and RNA are exactly the same

Answer

DNA and RNA are only found in plants

Question 32

Where does mRNA move to attach during protein synthesis?

Accepted Answer

To a ribosome

Answer

To the nucleus

Answer

To a tRNA

Question 33

What happens in sickle cell anemia?

Accepted Answer

Red blood cells become sickle-shaped

Answer

White blood cells increase

Answer

Platelets decrease

Question 34

A genetic mutation is:

Accepted Answer

a change in the DNA sequence

Answer

a type of cell division

Answer

a process of protein synthesis

Question 35

All mutations are harmful.

Accepted Answer

False

Answer

True

Question 36

What can a mutation cause in a cell?

Accepted Answer

It can make a protein be built the wrong way

Accepted Answer

It can make a protein be the wrong shape

Accepted Answer

It can stop a protein from being made at all

Question 37

How does this mutation change the red blood cell?

The sticky hemoglobin forms rods which . . .

Accepted Answer

makes the cell a sickle or half moon shape

Answer

makes the cell a spikey ball shape

Answer

makes the cell completely flat

Answer

makes the cell into a square shape

Question 38

Amino acids are made of which of the following?

Accepted Answer

C,H,O, AND N

Answer

C,H,O, AND P

Answer

x (CH2O) Where x can be any whole number

Answer

C,H,O and long C-H side chains

Question 39

Check all of the boxes that can be a function of a protein.

Accepted Answer

help transport nutrients like oxygen in the blood

Accepted Answer

can help speed up chemical reactions like fat digestion

Accepted Answer

build structures like hair and nails

Accepted Answer

make up structures like antibodies and membrane pumps

Question 40

_____________ are proteins that bind to specific substances to speed up the reaction.

Accepted Answer

Enzymes

Answer

Viruses

Answer

Substrates

Question 41

The repeating units of protein are

Accepted Answer

Amino acids

Answer

Glucose

Answer

Fatty acid

Answer

Peptides

Question 42

When a cell needs to make a protein, what does it need to obtain from the nucleus?

Accepted Answer

Only a copy of the desired gene only.

Answer

The entire DNA double helix is needed to make a protein

Question 43

What is the role of the gene in making a protein?

Accepted Answer

A gene tells the amino acids the specific order to form a polypeptide.

Answer

A gene tells the polypeptide how to be FOLDED

Question 44

A possible explanation for a set of observations or answer to a scientific question is called a(n)

Accepted Answer

hypothesis.

Answer

predictions.

Answer

theory.

Answer

law.

Question 45

The macromolecule that can be broken down and / or rearranged into other biomolecules and also provides energy for cellular activities is

Accepted Answer

glucose

Answer

amino acid

Answer

fatty acid

Answer

nucleotide

Question 46

In a scientific experiment, the manipulated variable that is usually what is being tested is called the

Accepted Answer

independent variable

Answer

operational variable

Answer

controlled variable

Answer

dependent variable

Question 47

In a scientific experiment, the responding variable that is usually what is being measured is called the

Accepted Answer

dependent variable

Answer

operational variable

Answer

controlled variable

Answer

independent variable

Question 48

In science, a hypothesis must be

Accepted Answer

testable and include both the idependent and dependent variables

Answer

testable and include only the dependent variable

Answer

controlled and include both independent and dependent variables

Answer

controlled and include only the independent variable

Review for Test 2: HS LS 1-1

50 questions

The ___________ is the basic unit of life

Which sequence of DNA bases would pair with this partial strand
CAT TCA CTG

Which of the following units are repeatedly joined together to form a strand of DNA?

A process in which DNA has the unique ability to make an exact copy of itself.

The DNA nucleotide is composed of three parts. Which two components make up the nucleotide backbone?

Why is DNA important?

What are the 4 nitrogen bases?

Which organelle is DNA usually found in?

Describes the twisted ladder-like shape of a DNA molecule

What is the main difference between translation and transcription?

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Review for Test 2: HS LS 1-1

50 questions

The ___________ is the basic unit of life

Which sequence of DNA bases would pair with this partial strandCAT TCA CTG

Which of the following units are repeatedly joined together to form a strand of DNA?

A process in which DNA has the unique ability to make an exact copy of itself.

The DNA nucleotide is composed of three parts. Which two components make up the nucleotide backbone?

Why is DNA important?

What are the 4 nitrogen bases?

Which organelle is DNA usually found in?

Describes the twisted ladder-like shape of a DNA molecule

What is the main difference between translation and transcription?

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science

Which sequence of DNA bases would pair with this partial strand
CAT TCA CTG