A key mechanism of gas transport through the tracheal system is

TLS Online TPP Program

#Question id: 28622

#Unit 2. Cellular Organization

What will cause if mutating or deleting the destruction box in mitotic cyclins? 

a) Allows loading of MCM helicases

b) prevented mitotic cyclins ubiquitinylation

c) blocked mitotic cells from exiting mitosis

d) inhibition of re-initiation at origins

TLS Online TPP Program

#Question id: 13106

#Unit 13. Methods in Biology

With the help of DNA fingerprinting which can be used to determine paternity. There are three babies (Baby A, Baby B and Baby C) in a maternity ward, and three sets of confused and worried parents. (Father and Mother #1 are a couple, as are Father and Mother #2, and Father and Mother #3.) 

You do each PCR reaction on chromosome 15 and load each one into a separate well of an agarose gel, and then run the gel.

 

 

Why is it that some people only have one band?

TLS Online TPP Program

#Question id: 179

#Unit 1. Molecules and their Interaction Relevant to Biology

The average molecular weight of the 20 standard amino acids is 138, but biochemists use 110 when estimating the number of amino acids in a protein of known molecular weight.  Why?

TLS Online TPP Program

#Question id: 16957

#Unit 4. Cell Communication and Cell Signaling

the immune system can be summarized as follows. Which is not correct for immune system?

TLS Online TPP Program

#Question id: 28212

#Unit 5. Developmental Biology

Activin is a___