TLS Online TPP Program

#Question id: 8710


A phylogenetic tree constructed using sequence differences in mitochondrial DNA would be most valid for discerning the evolutionary relatedness of ________.

#Unit 9. Diversity of Life Forms
  1. archaeans and bacteria
  2. fungi and animals
  3. chimpanzees and humans
  4. sharks and dolphins
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TLS Online TPP Program

#Question id: 11943

#Unit 7. System Physiology – Animal

Which of the following changes tends to increase GFR?

TLS Online TPP Program

#Question id: 24437

#Unit 1. Molecules and their Interaction Relevant to Biology

If bovine mitochondria have 8 c subunits per c ring, what is the predicted ratio of ATP formed per NADH oxidized?

TLS Online TPP Program

#Question id: 29107

#Unit 8. Inheritance Biology

Aneuploids may arise through nondisjunction, the failure of homologous chromosomes or sister chromatids to separate in meiosis. which of the following statements is correct?

a) Meiosis I non-disjunction leads to produce all gamete become aneuploidy

b) Meiosis II non-disjunction leads to produce half of gametes n+1 and n-1 while other half normal haploid

c) Either meiosis I or meiosis II non-disjunction leads to produce all aneuploidy gamete

d) Meiosis II non-disjunction leads to produce all gamete become n+1 and n-1

TLS Online TPP Program

#Question id: 11395

#Unit 9. Diversity of Life Forms

Mitochondria are thought to be the descendants of certain alpha -proteobacteria. They are, however, no longer able to lead independent lives because most

genes originally present on their chromosome have moved to the nuclear genome. Which phenomenon accounts for the movement of these genes?

TLS Online TPP Program

#Question id: 13136

#Unit 10. Ecological Principles

The figure below illustrates the relationship between population density in the present generation (Nt) and population equilibrium density of this population in the next generation (Nt+1). The dashed reference line has a slope of 1. Which of the following represents equilibrium density of this population?