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Science RNA and DNA. 21 questions.

Total questions: 21

Worksheet time: 11mins

Name
Class
Date
1.

 Blood cells have an abnormal shape because of a mutation in the DNA, causing what disease?

a)
Down Syndrome
b)
Cystic Fibrosis
c)

Sickle Cell

d)
Hemophilia
2.

 Any change in DNA is called a?

a)
alteration
b)
variation
c)
mutation
d)
modification
3.

What protein makes up blood cells

a)
Collagen
b)
Insulin
c)
Myoglobin
d)
Hemoglobin
4.

The process by which DNA is made into RNA is called?

a)
Transcription
b)
Replication
c)
Translation
d)
Mutation
5.

The process by which RNA is made into protein is called?

a)
Replication
b)
Mutation
c)
Translation
d)
Transcription
6.

A base found in RNA but not DNA

a)
Uracil
b)
Adenine
c)
Cytosine
d)
Thymine
7.

Amino acids join together to make

a)
Proteins
b)
Lipids
c)
Nucleic acids
d)
Carbohydrates
8.

 The sugar molecule found in mRNA is?

a)
ribose
b)
glucose
c)
fructose
d)
deoxyribose
9.

  The process by which DNA makes a copy of itself

a)
RNA replication
b)
Protein synthesis
c)
Cell division
d)
DNA replication
10.

A section of DNA that codes for a protein is a?

a)
nucleotide
b)
allele
c)
chromosome
d)
gene
11.

These structures in the cell build proteins based on the code

a)
cytoplasm
b)
mitochondria
c)
nucleus
d)
ribosome
12.

 The process by which DNA makes a copy of itself

a)
RNA replication
b)
Protein synthesis
c)
Cell division
d)
DNA replication
13.

This molecule takes the message from DNA to the ribosomes.

a)
cDNA
b)
mRNA
c)
tRNA
d)
rRNA
14.

  In DNA, Adenine always pairs with

a)
Thymine
b)
Uracil
c)
Cytosine
d)
Guanine
15.

  Guanine always pairs with

a)
Cytosine
b)
Thymine
c)
Adenine
d)
Uracil
16.

DNA is made of repeating sub units called

a)
carbohydrates
b)
proteins
c)
nucleotides
d)
amino acids
17.

 DNA is in the shape of a

a)
single helix
b)
triple helix
c)
square helix
d)
double helix
18.

These make up the rungs (center) of the DNA ladder, can be 4 different types

a)
amino acids
b)
enzymes
c)
proteins
d)

bases

19.

  Sugar alternates with this molecule on the sides of the ladder

a)
phosphate
b)
adenine
c)
ribose
d)
glucose
20.

 Sugar found in DNA, makes up the sides of the ladder

a)
Deoxyribose
b)
Ribose
c)
Glucose
d)
Sucrose
21.

The molecule of heredity, contains the “blueprint” for building an organism:

a)
RNA
b)
Protein
c)
Carbohydrate
d)
DNA