Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 38861
TLS Online TPP Program

#Question id: 2060

An animal cell lacking carbohydrates on the external surface of its plasma membrane would likely be impaired in which function?

#I Life Science/ Life Sciences Group – I-V

  1. transporting ions against an electrochemical gradient

  2. cell-cell recognition

  3. attaching the plasma membrane to the cytoskeleton

  4. establishing a diffusion barrier to charged molecules

More Questions
TLS Online TPP Program

#Question id: 18081

#SCPH12 I Genetics

The interaction of selection and inbreeding in determining the incidence of autosomal recessive diseases. Consider a gene in which recessive mutations occur at a rate of 10-5. Assume a selective disadvantage S of 0.4 in homozygotes for the recessive allele. What is the frequency of the recessive allele (q). And calculate the incidence of the disease. Assume random mating.
TLS Online TPP Program

#Question id: 4933

#SCPH28 | Zoology

What structure do protocells have in common with current cells?
TLS Online TPP Program

#Question id: 11530

#SCPH06 I Botany

 Went used Avena sativa (oat) coleoptiles in a technique called the
TLS Online TPP Program

#Question id: 387

#SCPH05 I Biotechnology

For a weak acid with a pKa of 6.0, What would be the ratio of acid to salt at pH 5.
TLS Online TPP Program

#Question id: 4167

#SCPH06 I Botany

Which statement is false concerning ribosomes and their components?