Practice Questions

TLS Online TPP Program

#Question id: 3530

Mendel’s law of segregation, as applied to the behavior of chromosomes in meiosis, means that:

#SCPH01 Biochemistry

pairing of homologs will convert one allele into the other, leading to separation of the types.
alleles of a gene separate from each other when homologs separate in meiosis I, or in meiosis II if there is a single crossover between the gene and the centromere.
genes on the same chromosome will show 50% recombination
alleles of a gene will be linked and passed on together through meiosis

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TLS Online TPP Program

#Question id: 3039

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

An inoculated thioglycolate medium culture tube shows dense growth at the surface and turbidity throughout the rest of the tube. What is your conclusion?

TLS Online TPP Program

#Question id: 362

#SCPH28 | Zoology

A 0.01 M solution of a substance has a pH of 2. What can you conclude about this substance?

TLS Online TPP Program

#Question id: 5687

#SCPH28 | Zoology

The error in meiosis that produces a 47,XYY karyotype is best described by

TLS Online TPP Program

#Question id: 480

#SCPH05 I Biotechnology

Which of the following is a cofactor in the reaction catalyzed by glyceraldehyde 3-phosphate dehydrogenase?