Which of the following relationships describes competition?

TLS Online TPP Program

#Question id: 11299

#Unit 10. Ecological Principles

Carbon is initially incorporated into the food chain by _____________

TLS Online TPP Program

#Question id: 26530

#Unit 3. Fundamental Processes

Which of the following statement is correct

1.Start point, is the first base of mRNA to be A

2.Initiator (Inr) is Py2CAPy5, where Py stands for any pyrimidine. The Inr is contained between positions -3 and +5.

3.TATA box, usually located, 25 bp upstream in its location at -25 in eukaryotes 

4.The exception is in yeast, where the TATA box is more typically found at -90.

TLS Online TPP Program

#Question id: 2669

#Unit 2. Cellular Organization

what is an operon?

TLS Online TPP Program

#Question id: 3956

#Unit 3. Fundamental Processes

Which of the following statements about histones is not true?

TLS Online TPP Program

#Question id: 2822

#Unit 2. Cellular Organization

Transposition by a bacterial insertion element

a. occurs at a frequency of approximately 1 in 10^3 cells per generation.

b. can inactivate an essential gene.    

c. is mediated through a RNA intermediate.

d. requires the enzyme transposase