Nucleosome is made up of __________

TLS Online TPP Program

#Question id: 2805

#Environmental Science

There is a roughly inverse correlation between organism complexity and gene density

TLS Online TPP Program

#Question id: 2815

#Environmental Science

Telomerase

a. extends DNA strands during DNA synthesis.

b. has reverse transcriptase activity.

c. is a protein-RNA complex.

d. replicates repetitious DNA located at the centromere.

TLS Online TPP Program

#Question id: 2819

#Environmental Science

A typical eukaryotic gene consists of which of the following elements?

a. internal ribosome binding sites       b. introns         c. exons            d. enhancers

TLS Online TPP Program

#Question id: 2825

#Environmental Science

Metaphase chromosomes can be identified

a. by shape.                 

b. by the size and number of introns.

c. by banding patterns with Giemsa reagent.

d. by chromosome painting.

TLS Online TPP Program

#Question id: 13032

#Environmental Science

In SDS-PAGE, protein sample is first treated with detergent sodium dodecyl sulfate (SDS), in order to

TLS Online TPP Program

#Question id: 13035

#Environmental Science

Each band on the gel represents a different protein (or protein subunit); _____ proteins move through the gel more _____ than_____ proteins and therefore are found nearer the _____ of the gel.