TLS Online TPP Program

#Question id: 23834


The most processive myosin motors known to transport cargo along actin filaments:

#Unit 2. Cellular Organization
  1. myosin I
  2. myosin II
  3. myosin V 
  4. myosin VI
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TLS Online TPP Program

#Question id: 4882

#Unit 8. Inheritance Biology

In Drosophila melanogaster, cinnabar eye (cn)and vestigial wing (vg) are simple recessive traits.a A male pure line wild type eye ,vestigial wing cross with female pure line cinnabar eye, wild type wing . F1female, heterozygous for both genes, was crossed with a male with cinnabar eyes and vestigial wings. The offspring resulting from this cross are listed in below class

I Wild type

II Cinnabar eye, wild-type wing

III Wild-type eye, vestigial wing

IV Cinnabar eye, vestigial wing

Above class are recombinant progeny

TLS Online TPP Program

#Question id: 23173

#Unit 13. Methods in Biology

There are various drawbacks still in fluorescence microscopy such as
1.  Light emitted comes from molecules above and below the plane of focus
2. Blurred image due to superposition of fluorescent images
Which of the above statement is/ are correct?

TLS Online TPP Program

#Question id: 15147

#Unit 8. Inheritance Biology

You have isolated a set of five yeast mutants that form dark red colonies instead of the usual white colonies of wild-type yeast. You cross each of the mutants to a wild-type haploid strain and obtain the results shown below;
you cross each haploid mutant strain to a different haploid mutant of the opposite mating type. From the results shown below deduce as much as you can about which mutations lie in the same gene. Clearly state any remaining ambiguities and suggest some general ways that the ambiguities might be resolved
a) That mutants 1 and 3 form one complementation group and are mutations in the same gene (gene A) 
b) That mutations 2 and 5 form a second complementation group and are mutations in a second gene (gene B).
c) That mutations 3 and 5 form a second complementation group and are mutations in a second gene (gene B).
d) The first ambiguity is whether mutant 4 has a mutation in gene A or B, or whether it represents a unique gene.
Which of the following is the correct prediction about mutants?

TLS Online TPP Program

#Question id: 5367

#Unit 8. Inheritance Biology

Following pedigree showing X link recessive disorder. Which of the following confirm a carrier female in a family?

TLS Online TPP Program

#Question id: 5335

#Unit 8. Inheritance Biology

Which of the following pedigree show mode of inheritance?