DNA Question Preview (ID: 11586)


DNA Structure And Function. TEACHERS: click here for quick copy question ID numbers.

What is the twisted ladder shape of DNA called?
a) Double Helix
b) twisted
c) ladder
d) helical

What is a segment of DNA that controls a particular trait?
a) chromosome
b) DNA
c) gene
d) double helix

What does DNA code for the production of?
a) proteins
b) sugars
c) nitrogen bases
d) lipids

Where is DNA located?
a) centrioles
b) nucleus
c) endoplasmic reticulum
d) vacuole

How many base pairs long is human DNA?
a) 300
b) 3,000
c) 300,000
d) 3,300,000,000

What makes up the sides of the DNA ladder?
a) nitrogen bases
b) deoxribose and phosphate groups
c) hydrogen bonds and nitrogen bases
d) deoxyribose and hydrogen bonds

How many hydrogen bonds bind Adenine and Thymine; Cytosine and Guanine
a) 3 ; 1
b) 1 ; 3
c) 2 ; 3
d) 3 ; 2

Which Nitrogen Base binds with Adenine?
a) cytosine
b) guanine
c) thymine
d) alanine

What holds the nitrogen bases together?
a) hydrogen bonds
b) deoxyribose
c) phosphate group
d) glue

Who discovered the shape of DNA?
a) Tim and Moby
b) James Watson and Francis Crick
c) Schwann and Schleiden
d) Virchow and Leeuwenhoek

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