____ are the units of heredity.

1. Cells 2. Genes
3. Chromosomes 4. Alleles

Subtopic:  Transcription |
 92%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.

Which of the following was not a goal of the HGP?

1. To identify all the approximately 20,000-25,000 genes in human DNA.
2. To determine the sequences of the 3 billion chemical base pairs that make up human DNA.
3. To address the ethical, legal, and social issues that may arise from the project.
4. To clone a human being.
Subtopic:  Human Genome Project |
 91%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.

An octamer of 4 histones complexed with DNA forms

1. Endosome 2. Nucleosome
3. Mesosome 4. Centromere
Subtopic:  DNA Packaging |
 94%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.

advertisementadvertisement

In the double helix model of DNA, each base pair is how far from the next base pair?

1. 0.034 nm 2. 0.34 nm
3. 3.4 nm 4. 34 nm
Subtopic:  DNA Double Helix |
 85%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.

A mutation that adds or deletes a base pair from DNA is

1. a frameshift mutation
2. a nonsense mutation
3. a missense mutation
4. an aneuploid condition
Subtopic:  Mutations and Genetic Code |
 90%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.

In nucleic acids the 5’ carbon of one sugar is held to the 3’ carbon of the adjacent sugar by

1. a hydrogen bond
2. a phosphodiester bridge
3. an amide bond
4. a phosphoanhydride bond
Subtopic:  The DNA |
 82%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.

advertisementadvertisement

The replication of DNA is

1. constitutive and continuous
2. conservative and semi discontinuous
3. semi-constitutive and continuous
4. semi-conservative and semi discontinuous
Subtopic:  DNA Replication |
 82%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.

The bases of RNA are the same as those of DNA with the exception that RNA contains

1. cysteine instead of cytosine.
2. uracil instead of thymine.
3. cytosine instead of guanine.
4. uracil instead of adenine.
Subtopic:  DNA Double Helix |
 96%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.

In prokaryotes, the predominant site for control of gene
expression is the

1. transcription initiation
2. processing level
3. transport of mRNA
4. translational level
Subtopic:  Gene Regulation: Introduction |
 85%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.

advertisementadvertisement

In Hershey and Chase experiment, the DNA of the phage was labelled with

1. 35S 2. 32P
3. 18O 4. 14C
Subtopic:  Search for Genetic Material |
 89%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.