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TLS Online TPP Program

#Question id: 5616

In the sperm the elevated Ca2+ level in a relatively basic cytoplasm triggers

#SCPH01 Biochemistry

  1. the fusion of the acrosomal membrane with the adjacent sperm cell membrane.

  2. the fusion of the acrosomal membrane with the egg cell membrane.

  3. the fusion of the acrosomal membrane with the egg vitelline membrane.

  4. the fusion of the acrosomal membrane with the egg jelly.

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TLS Online TPP Program

#Question id: 15010

#SCPH01 Biochemistry

The phenomenon where half the "normal" level of functional protein is not enough to generate a normal phenotype is called haploinsufficiency. Which of the following situations demonstrates haploinsufficiency?
TLS Online TPP Program

#Question id: 6961

#SCPH28 | Zoology

Do HOX genes play a role in the development of C. elegans?
TLS Online TPP Program

#Question id: 5746

#SCPH06 I Botany

A base change resulting in a codon specifying an amino acid which is different than in the wild-type polypeptide
TLS Online TPP Program

#Question id: 15480

#SCPH01 Biochemistry

Feedback repression involves the turning “off” of enzyme synthesis when the amount of the product has been made in sufficient quantities. The end product of the pathway acts as
TLS Online TPP Program

#Question id: 11085

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

The diagrams show changes in the partial pressures of oxygen and carbon dioxide as blood flows from the arterial end to the venous of the pulmonary capillaries. Which diagram best depicts the normal relationship between Po2 (red line) and Pco2 (green line) during resting conditions?