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7.1 DNA Structure and Function

Total questions: 19

Worksheet time: 10mins

Name
Class
Date
1.

DNA stands for

a)

Deoygenated Neogenetic Ability

b)

Deoxyribonucleic Acid

c)

Determined Natural Algorithm

d)

Denatured Nucleic Acids

2.

The basic building block for a nucleic acid is a

a)

protein

b)

amino acid

c)

nucleotide

d)

ribose sugar

3.

DNA is made up of four nucleotide. Adeline, Thymine, Guanine and

a)

Cytosine

b)

Uracil

c)

Ribosine

d)

Helicase

4.

DNA is ____________ meaning it can be passed down from parent to offspring

a)

nuclear regulated

b)

heritable

c)

easily modified

d)

self repairing

5.

Science refers to an heritable distinguishing characteristics as a

a)

type

b)

option

c)

traits

d)

genetic value

6.

The weak attractive force depicted by the dotted lines is connecting the base pair 'ladder rungs' is a _______________. This is the same type of interaction that gives water its unique capabilities.

a)

Covalent Bond

b)

Ionic Bond

c)

Hydrogen Bond

d)

Carbon Bond

7.

The study of how traits are inherited is called

a)
genetics
b)
heredity
c)
evolution
d)
biology
8.

The structure of DNA is called a

a)
single helix
b)
triple helix
c)
double helix
d)
quadruple helix
9.

According to the Base Pairing rule of DNA which are the correct bonded pairs?

a)

Adenine with Cytosine; Thymine with Guanine

b)

Adenine with Guanine; Thymine with Cytosine

c)

Adenine with Thymine; Cytosine with Guanine

d)

Any purine with any pyramide

10.

The base pairing rule in DNA has a pattern similar to ___________. In fact researchers are experimenting with using DNA for compact data storage.

a)

binary code

b)

Morse code

c)

fingerprinting

d)

the electromagnetic spectrum

11.

A segment of DNA that codes for a specific protein or regulates a cell process is ____

a)

alleles

b)

chromosomes

c)

gene

d)

trait

12.

We all have genes that code to make our iris (colored portion of the eye). However those genes come in different versions known as _________________.

a)

alleles

b)

chromosomes

c)

gene types

d)

traits

13.

We each inherit one allele from each of our parents. The way these alleles interact with each other determines our physical traits, also known as our

a)

genotype

b)

allele combination

c)

phenotype

d)

charaterics

14.

The alleles we inherit from our parents are not always observable in our traits, however they are still part of our genetic make up, also known as our

a)

genotype

b)

allele combination

c)

phenotype

d)

charaterics

15.

When is DNA copied?

a)

Metaphase

b)

Prophase

c)

Telophase

d)

Interphase

16.

The process of making a copy of DNA is known as

a)

DNA replication

b)

DNA duplication

c)

DNA transcription

d)

DNA translation

17.

The enzyme that unzips DNA is

a)
helicase
b)
polymerase
c)
ligase
d)
topoisomerase
18.

The opposite strands of DNA are called

a)
opposing strands
b)
reverse strands
c)
complementary strands
d)
opposite strands
19.

New nucleotides are added to each of the complimentary strands by the enzyme

a)
RNA polymerase
b)
Helicase
c)
Ligase
d)
DNA polymerase