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TRUE/FALSE. 1. In a repressible operon transcription is normally turned off. 2)

ID: 263728 • Letter: T

Question

TRUE/FALSE.

1. In a repressible operon transcription is normally turned off.

2) A Monoybrid cross involves one gene and two or more different alleles.

3) Crossing over during meiosis occurs in the Metaphase II stage.

4) In prokaryotes, transcription and translation are separated in time and space.

5) Crossing over takes place in meiosis and is responsible for recombination.

6) Natural selection can lead to a decrease in genetic variation both within and between populations.

7) The pyrimidine bases in nucleic acids are adenine and guanine.

8) The poly(A) tails on mRNA molecules are transcribed from DNA templates.

9) Exons are degraded in the nucleus. 10) Most DNA binding motifs, such as leucine zippers, and Zinc fingers, have the binding the major groove of DNA. site in

Explanation / Answer

TRUE/FALSE. 1. In a repressible operon transcription is normally turned off. 2)