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WorksheetsRibosomes
Total questions: 24
Worksheet time: 12mins
Name
Class
Date
1.
What is the function of ribosomes?
a)
to bond amino acids together to form proteins
b)
to break down biological polymers
c)
to modify lipids and proteins
d)
to contain
DNA
DNA
2.
Where can you find ribosomes?
a)
only in prokaryotic cells
b)
only in plant cells
c)
only in eukaryotic cells
d)
in both prokaryotic and eukaryotic cells
3.
Where can you find ribosomes inside of eukaryotic cells?
a)
only inside of the nucleus
b)
free-floating
c)
attached to the Endoplasmic Reticulum
d)
both free-floating and attached to the Endoplasmic Reticulum
4.
How many pieces make up a ribosome?
a)
1
b)
2
c)
3
d)
4
5.
How many ribosomes are there in a cell?
a)
17
b)
356
c)
564,897
d)
it varies
6.
After a ribosome synthesizes a polypeptide, what happens to the ribosome?
a)
it leaves the cell
b)
it is broken down or re-used
c)
it never synthesizes polypeptides
d)
it sleeps
7.
In which cell (prokaryotic or eukaryotic) are ribosomes generally the largest?
a)
prokaryotic
b)
eukaryotic
8.
Where are the ribosome's sub-units created?
a)
outside of the cell
b)
in the cytoplasm
c)
in the nucleolus
d)
in the endoplasmic reticulum
9.
Which type of endoplasmic reticulum are proteins attached to?
a)
smooth
b)
rough
c)
neither smooth nor rough
d)
both smooth and rough
10.
The process of reading mRNAs to make proteins is called...
a)
Replication
b)
Transcription
c)
Translation
d)
Cell Division
11.
A ribosome can be best described as...
a)
a protein factory
b)
a trash collector
c)
the powerhouse of the cell
d)
the brain of the cell
12.
What are ribosomes made of?
a)
tissue
b)
organelles
c)
ribosomal RNA molecules and proteins
d)
DNA
13.
Which of the following carries amino acids to ribosomes?
a)
ribosomal RNA (rRNA) molecules
b)
transfer RNA (tRNA) molecules
c)
messenger RNA (mRNA) molecules
14.
Rapidly growing cells usually have a(n) _______ amount of ribosomes.
a)
odd
b)
even
c)
small
d)
large
15.
Which of the following refers to a cluster of ribosomes?
a)
tribosome
b)
polyribosome
c)
ribosome bunch
d)
ribosome family
16.
Are free-floating ribosomes bound by a membrane?
a)
Yes
b)
No
17.
Which letter is a picture of a ribosome?
a)
E
b)
F
c)
G
d)
H
18.
What is the function of the smaller unit of the ribosome?
a)
read the transfer RNA (tRNA)
b)
support the larger unit of the ribosome
c)
read the messenger RNA (mRNA)
d)
take in nutrients for the ribosome
19.
Which type of ribosome creates the most proteins that are transported out of the cell?
a)
bound
b)
free-floating
20.
Which type of ribosome creates the most proteins that are used by the cell?
a)
bound
b)
free-floating
21.
In a plant cell, in which two organelles can ribosomes be found?
a)
mitochondria and chloroplasts
b)
mitochondria and lysosomes
c)
chloroplasts and vacuoles
d)
chloroplasts and lysosomes
22.
Which of the following acts like a "recipe" that tells the ribosome how to make a protein?
a)
messenger RNA (mRNA)
b)
transfer RNA (tRNA)
c)
amino acids
d)
DNA
23.
Where are the ribosomes made in prokaryotic cells?
a)
lysosome
b)
cytoplasm
c)
golgi apparatus
d)
nucleus
24.
Proteins produced by a ribosome are made of small units called...
a)
amino acids
b)
transfer RNA (tRNA)
c)
messenger RNA (mRNA)
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