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TLS Online TPP Program

#Question id: 4908

Shell coiling of the snail is maternal effect phenotype control by S gene, where S Dextral is dominant over s sinistral. If snail sinistral coiled shell, which of the following statement is true

#Section 3: Genetics, Cellular and Molecular Biology

  1. Genotype of srain must be s/s                 

  2. Female parent genotype of the srain must be s/s

  3. Male parent of the srain must be s/s

  4. Grandmother genotype of the srain must be s/s

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TLS Online TPP Program

#Question id: 1987

#Section 2: General Biology

A nonfunctional CD4 protein on a helper T cell would result in the helper T cell being unable to
TLS Online TPP Program

#Question id: 14677

#Section 4: Fundamentals of Biological Engineering

The volumetric flow rate of carbon tetrachloride (CCI4) in a pipe is 50 cm3 min-1. The density of CCI4 is 1.6 g cm-3.

(i) What is the mass flow rate of CCI4?

(ii) What is the molar flow rate of CCI4 ?
TLS Online TPP Program

#Question id: 4801

#Section 3: Genetics, Cellular and Molecular Biology

You set up a mapping cross involving two genes in Aspergillus and determine the following percentages of tetrad types: parental ditype 51%, nonparentalditype 49%. What can you say about your genes?
TLS Online TPP Program

#Question id: 3954

#Section 3: Genetics, Cellular and Molecular Biology

Which sequence represents increasing levels of chromosomal organization, from most dispersed to most condensed?
TLS Online TPP Program

#Question id: 4161

#Section 3: Genetics, Cellular and Molecular Biology

The link between an activated amino acid and tRNA is an __ bond between the __ of the amino acid and a hydroxyl group of the tRNA.