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Molecular Genetics

Authored by Cindy Simpson

Biology

12th Grade - University

20 Questions

NGSS covered

Used 726+ times

Molecular Genetics
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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

The replication of DNA is...

conservative
dispersive
semi-conservative
random

Tags

NGSS.HS-LS3-2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is not a post-transcriptional modification of mRNA?

addition of poly-A tail
addition of 5' cap
removal of introns
removal of exons

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Meselsohn and Stahl's experiment showed that...

DNA is the hereditary material
one gene leads to one protein
DNA replication is semiconservative
the nucleus contains DNA

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A mutation leading to an early 'stop' codon is a ...

frameshift mutation
silent mutation
missense mutation
nonsense mutation

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The two strands in a DNA molecule are held together by ...

hydrogen bonds
phosphodiester bonds
covalent bonds
ionic bonds

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Since most amino acids are encoded for by more than one codon, the genetic code is said to be ...

semi-conservative
a triplet code
universal
redundant

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following statements about histones is FALSE?

They have a positive charge.
They are made of nucleic acids.
They consist of basic amino acids.
They attract DNA.

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