TLS Online TPP Program

#Question id: 2074


In some cells, there are many ion electrochemical gradients across the plasma membrane even though there are usually only one or two proton pumps present in the membrane. The gradients of the other ions are most likely accounted for by:

#Part-A Aptitude & General Biotechnology
  1. cotransport proteins

  2. ion channels

  3. pores in the plasma membrane

  4. passive diffusion across the plasma membrane

More Questions
TLS Online TPP Program

#Question id: 14999

#Part-B Specialized Branches in Biotechnology

I know that black coat color in mice is dominant to albino. Black mice get a higher price at the pet store so I am disappointed when I cross a black mouse with an albino mouse and get 6 albino and 2 black mice in the litter. I expected all black. What mistake did I make?

TLS Online TPP Program

#Question id: 15000

#Part-B Specialized Branches in Biotechnology

I do a chi square analysis of the offspring from my cross of a black mouse and albino mouse. If the black mouse was heterozygous I should have expected a 1:1 ratio, and I got 6 albino and 2 black mice. What is my chi square value?

TLS Online TPP Program

#Question id: 15001

#Part-B Specialized Branches in Biotechnology

You cross true breeding lizards that are either green or albino and discover that all the offspring are striped green and white. Which is the most likely result if you cross two striped lizards?

TLS Online TPP Program

#Question id: 15002

#Part-B Specialized Branches in Biotechnology

If you performed a dihybrid cross and found that your results were significantly different from the 9:3:3:1 ratio, what would you suspect?

TLS Online TPP Program

#Question id: 15002

#Part-A Aptitude & General Biotechnology

If you performed a dihybrid cross and found that your results were significantly different from the 9:3:3:1 ratio, what would you suspect?

TLS Online TPP Program

#Question id: 15004

#Part-B Specialized Branches in Biotechnology

Which of the following statements about a pedigree would be most definitive in determining a recessive pattern of inheritance?