Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 18488
TLS Online TPP Program

#Question id: 5088

 If gastrulation was blocked by an environmental toxin, then ________.

#XL - T Zoology

  1. cleavage would not occur in the zygote

  2. embryonic germ layers would not form

  3. the blastula would not be formed

  4. the blastopore would form above the gray crescent in the animal pole

More Questions
TLS Online TPP Program

#Question id: 3894

#XL - Q Biochemistry

Which of the following is a DNA sequence?
TLS Online TPP Program

#Question id: 2938

#XL - T Zoology

Which of the following inhibit(s) cyclin A/Cdk2 activity?
TLS Online TPP Program

#Question id: 8773

#XL - T Zoology

Which eukaryotic kingdom includes members that are the result of endosymbioses that included an ancient aerobic bacterium and an ancient cyanobacterium?
TLS Online TPP Program

#Question id: 193

#XL - T Zoology

An ion commonly found in metalloenzymes and which can undergo reversible oxidation and reduction is
TLS Online TPP Program

#Question id: 758

#XL - Q Biochemistry

Both miRNAs and one strand of siRNAs are bound by proteins to form a ribonucleoprotein complex called: