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Unit 2 Lesson 6: DNA Structure and Function

Total questions: 25

Worksheet time: 50mins

Name
Class
Date
1.
What does DNA stand for?
a)
Deoxyribonucleic acid
b)
Denitrogenous acid
c)
Deribonucleic acid
d)
Diribonucleic acid
2.
Why is DNA important?
a)
it is very small and very complicated
b)
it's in everything
c)
it serves as the blueprint for traits of all living things
d)
because we eat it every day for energy
3.
Which of the following is not a nitrogen base found in DNA?
a)
Thymine
b)
Uracil 
c)
Guanine
d)
Adenine
4.

The twisted ladder shape of DNA is known as a

a)

Double Helix

b)

Triple Helix

c)

Single Helix

d)

Double felix

5.
What will the matching sequence be on a strand that reads AAGCTAT?
a)
AACGATA
b)
TTCGTTA
c)
CCTGATA
d)
TTCGATA
6.
What are the 4 nitrogen bases?
a)
adenine, thymine, cytoplasm, and guanine
b)
adenine, thymine cytosine, and guanine
c)
adenine, thymine, cytosine, and gylcerol
d)
adenine, thymine, cytosine, and glucose
7.
Which organelle is DNA usually found in?
a)
mitochondrian
b)
cell membrane
c)
chloroplast
d)
nucleus
8.
Which shows the correct complementary base pairing for DNA?
a)
C-A, T-G
b)
A-G, C-T
c)
C-G, U-A
d)
T-A, G-C
9.
What is the correct complementary strand for the following DNA?ATCGAG
a)
UAGCUC
b)
TAGCTC
10.

Which of the following is not a function of DNA?

a)

Stores genetic information

b)

Codes for proteins

c)

Helps determines your traits

d)

Tells your body when to move

11.

The physical attributes of any living thing that come from the genetic code.

a)

Atom

b)

Mitochondria

c)

Genetic Traits

d)

Genome

12.

The process of reproducing the genetic code in DNA exactly so each cell in a living thing has an identical copy of DNA instructions.

a)

DNA Replication

b)

Translocation

c)

Cell Cycle

d)

Mitosis

13.
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
14.
Adenine bonds with ______________.
a)
Guanine
b)
Thymine
c)
Cytosine
d)
Adenine
15.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
16.
What is a gene?
a)
A bundle (like a hot dog bun) that the DNA is packed into
b)
something inside the nucleus
c)
a piece of DNA
d)
all of your DNA
17.

A code is a set of rules and symbols used to carry ___________.

a)

DNA

b)

information

c)

structure

d)

function

18.

In a ________ mutation, a base is left out.

a)

substitution

b)

insertion

c)

deletion

19.

When replication is complete, there are two _____________ DNA modules.

a)

identical

b)

different

c)

similar

20.

Mutations are mistakes that become part of ___________________.

a)

history

b)

genetic code

c)

proteins

21.

The two sides of the DNA ladder are made up of ____________________________________________.

a)

sugars and phosphates

b)

traits and characteristics

c)

DNA and RNA

22.

In a(n) ____________________ mutation, an extra base is added.

a)

substitution

b)

insertion

c)

deletion

23.

Identical twins have exactly the same traits because...

a)

they have exactly the same genes

b)

they have exactly the same mother

c)

they have exactly the same father

d)

they have exactly the same traits

24.
Which type of RNA takes the instructions from the nucleus to the cytoplasm?
a)
mRNA
b)
tRNA
c)
rRNA
d)
RNA polymerase
25.

A STRAND OF AMINO ACIDS BOND TOGETHER TO FORM______

a)

AMINO ACIDS

b)

FATS

c)

PROTEIN