Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 38497
TLS Online TPP Program

#Question id: 10565

The term Yp is the hydrostatic pressure of the solution

#I Life Science/ Life Sciences Group – I-V
  1. Positive pressures raise the water potential and negative pressures reduce it
  2. Positive pressures reduces the water potential and negative pressures also reduce it
  3. Positive pressures raise the water potential and negative pressures also raises it
  4. Positive pressures raise the water potential and negative pressures raises it
More Questions
TLS Online TPP Program

#Question id: 8848

#SCPH28 | Zoology

A carbon skeleton is covalently bonded to both an amino group and a carboxyl group. When placed in water it
TLS Online TPP Program

#Question id: 19457

#SCPH01 Biochemistry

Which microscopy can be used for viewing live cells and unstained tissues?
1. Fluorescence microscopy
2. Phase contrast microscopy
3. Dark field microscopy
4. Differential interference microscopy
5. Confocal microscopy
Which of the above combinations of microscopy is correct?
TLS Online TPP Program

#Question id: 2637

#SCPH01 Biochemistry

Which of these operons is anabolic?
TLS Online TPP Program

#Question id: 15616

#SCPH01 Biochemistry

The diagram below shows the F factor and a portion of the E. coli chromosome that has three different insertion sequences (IS) of the same type as is carried on F.
                     
Describe the three different Hfrs (Hfr #1, Hfr #2 and Hfr #3) that can be formed by recombination between the IS on F and each of the IS sequences on the chromosome. Some including the positions of each of the markers (A, B, C, and D) and state which of these markers would be transferred early?
TLS Online TPP Program

#Question id: 3628

#SCPH12 I Genetics

Two mutant plants, both bearing white flowers, were crossed. All F1 plants had red colored flowers. Which one of the following conclusions is correct?