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1. In humans, which component of a gene is translated into a protein? TATA box E

ID: 60356 • Letter: 1

Question

1.

In humans, which component of a gene is translated into a protein?

TATA box

Exon

Promoter

Intron

2.

Proteins are processed and packaged for intracellular or extracellular distribution in which of the following organelles?

mitochondria and lysosomes

endoplasmic reticulum and Golgi apparatus

proteosomes

nucleus and nucleolus

3.

The goal of a polymerase chain reaction (by itself) is to:

Cut double stranded DNA at hexameric palindromic sequences

Synthesize many copies of (or amplify) a target gene or portion of a gene

Identify a target stretch of DNA using a radiolabelled probe

Isolate DNA from other cellular components to absolute purity

4.

Which formula predicts the number of PCR products that can be produced?

(N^2)/2 where N is the number of cycles

P^4 + 2pq + q^2 where p and q are the number of primers

N^n where N is the number of cycles

2^n where n is the number of cycles

5.

The ability of immune complexes to be captured and then detected on the surface of a glass fiber matrix is the basis for which of the following immunoassays?

Chemiluminescence

Enzyme-multiplied immunoassay technique (EMIT)

Microparticle enzyme immunoassay (MEIA)

FPIA

6.

Which of the following statements concerning nucleotide synthesis is true?

DNA or RNA can only be extended in the 5' direction

DNA or RNA can only be extended in the 3' direction

mRNA can be extended in the 3' or 2' direction

RNA can only be extended in the 2' direction

a.

TATA box

b.

Exon

c.

Promoter

d.

Intron

Explanation / Answer

1. exon

2. b

3.b

4. d

5.c

6.b