Cicutoxin is produced by plant as constitutive chemical defenses which is

a. Produced by Hemlock (Cicuta sp.) 

b. Is  a polyacetylene

c. Involved in repolarization of neuronal action potentials

d. Involved in the suspension of all muscular activity

Which of the following is true regarding Cicutoxin

TLS Online TPP Program

#Question id: 5077

#Unit 5. Developmental Biology

Humans and mice heterozygous for loss-of-function mutations in Pax6 have:

TLS Online TPP Program

#Question id: 5078

#Unit 5. Developmental Biology

A human blastomere is:

TLS Online TPP Program

#Question id: 5079

#Unit 5. Developmental Biology

The pattern of embryonic development in which only the cells lacking yolk subsequently undergo cleavage is called:

TLS Online TPP Program

#Question id: 5080

#Unit 5. Developmental Biology

As cleavage continues during frog development, the size of the blastomeres:

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#Question id: 5081

#Unit 5. Developmental Biology

 The vegetal pole of a frog zygote differs from the animal pole in that ________.

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#Question id: 5082

#Unit 5. Developmental Biology

 In which of the following organisms does holoblastic cleavage typically occur?

I) sea urchins

II) humans

III) birds

IV) fish