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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 ________.

#SCPH06 I Botany

  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: 2305

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

Who was the first microscopist to view an outline of cells?
TLS Online TPP Program

#Question id: 12683

#SCPH05 I Biotechnology

Which is the full complement of DNA from an Organism, carrying all the information needed to specify the structure of every protein?
TLS Online TPP Program

#Question id: 1271

#SCPH28 | Zoology

Common sugars found in proteoglycans include all of the following except:
TLS Online TPP Program

#Question id: 2941

#SCPH28 | Zoology

Centromeric Rec8 becomes cleaved during:
TLS Online TPP Program

#Question id: 2136

#SCPH06 I Botany

When a bacterium such as E. coli is shifted from a warmer growth temperature to a cooler growth temperature, it compensates by: