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TLS Online TPP Program

#Question id: 7060

What would be the result of a mutation in a maternal effect gene in a female Drosophila?

#Unit 5. Developmental Biology
  1. She will not develop past the early embryonic stage.
  2. All of her offspring will show the mutant phenotype, regardless of their genotype.
  3. Only her male offspring will show the mutant phenotype.
  4. Only her female offspring will show the mutant phenotype.
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TLS Online TPP Program

#Question id: 3829

#Unit 3. Fundamental Processes

Why is only one copy of DNA made per cell division cycle in eukaryotes despite the presence of multiple origins of replication?
TLS Online TPP Program

#Question id: 32332

#Unit 2. Cellular Organization

The kinetic rate constants for actin subunit association and dissociation— kon and koff, respectively are much greater at the:
TLS Online TPP Program

#Question id: 1695

#Unit 4. Cell Communication and Cell Signaling

The processed peptide binding to the MHC class I groove:
TLS Online TPP Program

#Question id: 4926

#Unit 8. Inheritance Biology

Shell coiling in snail is determined by genetic maternal effect for a single loci having D allele for dextral coiling but S allele for sinistral coiling. D dominant over S. which of the following cross would produced all progeny that is dextral coiling ?

I- DD Male X SS female

II- DD Male X DS female

III- SS Male X DD female

IV - DS Male X DS female
TLS Online TPP Program

#Question id: 12215

#Unit 7. System Physiology – Animal

Damage to the gastric mucosal barrier is a forerunner of gastric ulcer. Which of the following can both damage the gastric mucosal barrier and stimulate gastric acid secretion?