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TLS Online TPP Program

#Question id: 5205

Why is it preferable to use large computers and databases in searching for individual genes, rather than testing each sequence for possible function?

#11. Evolution and Behavior

  1. Testing for function would require too many cells.

  2. Testing for function would require knowing the species, its life stage, and its phylogeny.

  3. Testing for function would require knowing where a particular gene starts and ends and how it is regulated.

  4. Use of computer databases is intellectually less rigorous.

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TLS Online TPP Program

#Question id: 7753

#5. Developmental Biology

The best-studied type of plant autophagy, specialized organelles called autophagosomes enclose the cytoplasmic components and fuse with the vacuole, this is called
TLS Online TPP Program

#Question id: 12752

#13. Methods in Biology

Which of the following cannot be used to remove protein contamination from nucleic acids?
TLS Online TPP Program

#Question id: 3624

#8. Inheritance Biology

To carry out a complementation test, parents that are homozygous for different mutations are crossed, producing offspring that mutant phenotype, it is due to
TLS Online TPP Program

#Question id: 4732

#8. Inheritance Biology

What is F2 phenotype ratio observed when a homozygous recessive mutation in either or both of two different genes results in the same mutant phenotype?
TLS Online TPP Program

#Question id: 5429

#8. Inheritance Biology

Assume that three loci, each with two alleles (A and a, B and b, C and c), determine the differences in height between two homozygous strains of a plant. These genes are additive and equal in their effects on plant height. One strain (aabbcc) is 10 cm in height. The other strain (AABBCC) is 22 cm in height. The two strains are crossed, and the resulting F1 are interbred to produce 1000 F2 progeny. what is number of F2 progeny having intermediate height?