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TLS Online TPP Program

#Question id: 5561

In sea urchins, the "fast block" and the longer lasting "slow block" to polyspermy, respectively, are ________.

#5. Developmental Biology

  1. the acrosomal reaction and the formation of egg white

  2. the cortical reaction and the formation of yolk protein

  3. the jelly coat of the egg and the vitelline membrane

  4. membrane depolarization and the cortical reaction

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TLS Online TPP Program

#Question id: 5043

#5. Developmental Biology

 The ability of a single cell to divide and produce all of the differentiated cells in an organism:
TLS Online TPP Program

#Question id: 1431

#4. Cell Communication and Cell Signaling

Which of the following is NOT a role for the tumor microenvironment?
TLS Online TPP Program

#Question id: 16105

#7. System Physiology – Animal

Which of the following is a human thermoregulatory response controlled by cholinergic sympathetic nerves?
TLS Online TPP Program

#Question id: 4819

#8. Inheritance Biology

Plant with genotype AB/ab is test cross, two genes are linked are 10 map units apart. What proportion of progeny will have the genotype aabb?
TLS Online TPP Program

#Question id: 19525

#12. Applied Biology

CryI proteins are insecticidal to