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TLS Online TPP Program

#Question id: 5316

Why is sequencing of eukaryotic genomes more difficult than sequencing genomes of bacteria or archaea?

#Unit 11. Evolution and Behavior

  1. It is due to the large size of eukaryotic proteins.

  2. Eukaryotic genomes contain sequences for hard-to-find proteins.

  3. There is a high proportion of G-C base pairs in eukaryotic DNA, which makes sequencing difficult to complete.

  4. The large size of eukaryotic genomes and the large amount of eukaryotic repetitive DNA make sequencing difficult.

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TLS Online TPP Program

#Question id: 5137

#Unit 5. Developmental Biology

Match the correct animal and their mechanism of germplasm specification.

Animal

Specification of germ cells

a. Drosophila

i. germplasm is characterized by polar granules and PIE-1 protein, and segregates into P4 during cleavage 

b. Xenopus                                                

ii. germplasm localized in vegetal region of egg

c. mammals

iii. germplasm specified by oskar at posterior end of egg

d. c. elegans

iv. Have no germplasm

TLS Online TPP Program

#Question id: 4183

#Unit 3. Fundamental Processes

Amino acids are attached to tRNA at the __.
TLS Online TPP Program

#Question id: 4437

#Unit 3. Fundamental Processes

_I_, in contrast to _II_ produces only transient copies and normally several from each transcribed region. Thus, a mistake during III will rarely do more harm.
TLS Online TPP Program

#Question id: 12038

#Unit 7. System Physiology – Animal

If you put the following events in the order they occur in the human digestive system, the third event in the series would be:
TLS Online TPP Program

#Question id: 3767

#Unit 3. Fundamental Processes

Which of the following characteristics would you expect of a eukaryotic organism that lacks the enzyme telomerase?