Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 55232
TLS Online TPP Program

#Question id: 20420

The LDL receptor gene consists of 18 exons, some of which are related to EGF precursor exons and some of which are related to the C9 blood complement gene, is an example of 

#Unit 3. Fundamental Processes
  1. Homologous gene
  2. Non homo logous gene
  3. Overlapping gene
  4. Alternative splicing
More Questions
TLS Online TPP Program

#Question id: 11579

#Unit 7. System Physiology – Animal

In response to stress, the adrenal gland promotes the synthesis of glucose from noncarbohydrate substrates via the action of the steroid hormone ________.
TLS Online TPP Program

#Question id: 11155

#Unit 9. Diversity of Life Forms

Nucleic acid sequences that undergo few changes over the course of evolutionary time are said to be conserved. Conserved sequences of nucleic acids
TLS Online TPP Program

#Question id: 9254

#Unit 9. Diversity of Life Forms

Organisms evolve over generations to become adapted to the environmental conditions to which they are exposed. The diversity of organisms that
occurs in any particular area thus may be largely determined by the abiotic factors limiting survivorship and reproduction of organisms in a region. Which of the following limit the range of Saguaro cactus in North America?

I) pollinators

II) sunlight

III) precipitation

IV) temperature
TLS Online TPP Program

#Question id: 5721

#Unit 8. Inheritance Biology

There is paracentric inversion heterozygote ABCDEFG/ABFEDCG involved in double recombination during meiosis I within inverted region result in

A. dicentric and an acentric chromosome in meiosis I as the chiasmata get terminated.

B. appearance of deletion in both the cross over product

C. all gamete are viable

D. nonviable gametes from crossover products.

Which of the above statements are correct?
TLS Online TPP Program

#Question id: 5010

#Unit 11. Evolution and Behavior

Which of the following steps has not yet been accomplished by scientists studying the origin of life?