1. Which of the following genotypes represent an individual with turner syndrome?

-XO

2. A color blind man and a heterozygous carrier woman have what chance of having a color blind son?

- 50%

3. The form of RNA that carries the code from the DNA site to the site where the protein is assembled is called?

 messenger RNA
 

Transcription begins

- when RNA polymerase binds to the promoter

 Which of the following enzymes is responsible for unwinding the helix during DNA replication?

DNA Helicase

Which of the following events occur before mRNA leaves the nucleus?

 2 of the above, poly “A” tail & cap

Which of the following is a component of a DNA nucleotide?

phosphate group

Where does translation take place?

ribosome

Which serves as an example of a disease that results from an autosomal recessive inheritance pattern?

- Galactosemia

Why is the SRY gene important?

 leads to the production of testes in males

Pests that survive exposure to a pesticide?

- 2 of the above, may become dominant over time, 
inherited a gene

Which of the following statements regarding Malaria is true?

- 2 of the above, mosquito control is considered to b a method of controlling malaria.
Individuals that are heterozygous for sickle cell anemia will have a greater chance of surviving Malaria than individuals that are homozygous for normal hemoglobin.
 

How many codons are contained in the following transcript ACU GCC UAC CCC GCG

- 5
 

Which peppered moth is the most prevalent when air quality is good?

- light grey peppered moth

Bacteriophages

- are viruses that infect bacteria

Which of the following organisma does NOT move by pseudopods?

- Gardia Lamblia

Which of the following statements is true regarding viruses?

- viruses may enter a lysogenic phase
 

Which of the following organisms have a glass like shell made of silica?

- radiolarians
 

Which of the following organisms use cilia to move?

Paramecium

Which organisms uses a trichocyst?

Paramecium

 Why might a lethal allele as the one linked to Huntington remain in population?

 because symptoms of the disease usually don’t appear until after you reproduce
 

The tail in mRNA?

prevents the transcrips from being destroyed
 

An individual w/ trisomyzl has which of the following?

- down syndrome

Which enzyme delivers free floating nucleotides to exposed bases during replication?

DNA polymerase