What is a chromosome?

A DNA molecule that has been tightly wound and condensed.

A section of DNA that codes for the production of a protein.

Where is the "code" in a DNA molecule?

In the sequence of bases within the molecule

A nucleotide is made up of ___________.

a deoxyribose sugar, a phosphate, and a nitrogenous base.

What are the three smaller molecules that can be considered "building blocks" of a DNA molecule

deoxyribose sugar, phosphate, nitrogenous base

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Biology - DNA Basics Review

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Review of DNA Basics

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Questions 15

Answers

1
What is a chromosome?
A DNA molecule that has been tightly wound and condensed.
All of the proteins created by a person's DNA.
The building block of a DNA molecule.
Proteins that make up DNA.
2
Take a look at the picture....what term best describes the blue portion of the DNA molecule.
nucleotide
phosphate
base pair
deoxyribose sugar
3
"C" stands for....
Cytokine
Cytoplasm
Cytosol
Cytosine
4
DNA has the coded instructions for producing ______________.
carbohydrates
proteins
nucleic acids
lipids
5
What's a gene?
Bases that have an incorrect sequence, caused by a mutation.
A chromosome that has the ability to produce proteins.
A section of DNA that codes for the production of a protein.
A cell that has a genetic mutation, such as a deletion.
6
"A" stands for....
Adenine
Apoptosis
Arginine
Albuterol
7
The "uprights" of a DNA molecule can be referred to as ____________________.
double saccharides
sugar-phosphate backbones
nucleic uprights
phosphate stakes
8
"G" stands for.....
Globulin
Gamma
Glucose
Guanine
9
What does DNA stand for?
Deoxyribonucleic Acid
Deactivited Nitrogen Acid
Deoxyrenovated Nitrogenous Acid
Deoxygenated Rigid Activation
10
"T" stands for....
Teratogen
Telomere
Thymine
Thyroid
11
Where is the "code" in a DNA molecule?
In the smaller chromosomes that make up DNA molecules
In the sugar-phosphate backbone
In the sequence of bases within the molecule
In the twists of the double helix (its shape)
12
A nucleotide is made up of ___________.
all of the chromosomes in a persons genome
The bases A,T,C, and D
a deoxyribose sugar, a phosphate, and a nitrogenous base.
chromosomes and proteins combined together
13
Approximately how many base pairs are there in the human genome?
30 thousand
10 million
100,000
3 billion
14
The twisted shape of DNA is referred to as a _______________.
helical cone
marginal helix
triangulated spiral
double helix
15
What are the three smaller molecules that can be considered "building blocks" of a DNA molecule
deactivated nitrogen, proteins, phosphate
deoxyribose sugar, carbohydrate, nitrogenous base
ribose sugar, nitrogenous base, glucose
deoxyribose sugar, phosphate, nitrogenous base

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