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TLS Online TPP Program

#Question id: 5263

Drug-resistance plasmids could be transferred in A. baumannii by which of the following mechanisms:

#Unit 8. Inheritance Biology

  1. conjugation pilus

  2. bacteriophages

  3. capture by cell wall

  4. none of the above

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TLS Online TPP Program

#Question id: 13193

#Unit 1. Molecules and their Interaction Relevant to Biology

Data, collected from DNAs of a great many different species, led Chargaff to the following conclusions:
A. The base composition of DNA generally varies from one species to another.
B. DNA specimens isolated from different tissues of the same species have the different base composition.
C. The base composition of DNA in a given species changes with an organism’s age, nutritional state, or changing environment.
D. In all cellular DNAs, the sum of the purine residues equals the sum of the pyrimidine residues.
Which of the above statements are INCORRECT regarding Chargaff’s rule?
TLS Online TPP Program

#Question id: 10653

#Unit 10. Ecological Principles

All offspring are produced in a single reproductive event, we term this pattern semelparity. Which of the following is characteristics feature for semelparity individuals?

a) Semelparity is common in insects and other invertebrates

b) Semelparous organisms may live for many years before reproducing

c) semelparity occur only in plant

d) In semelparity, exploitation competition is more common than interference competition
TLS Online TPP Program

#Question id: 29498

#Unit 6. System Physiology – Plant

Which of the following permits the accumulation of transcriptional activators in the nucleus necessary for photomorphogenic development
TLS Online TPP Program

#Question id: 209

#Unit 1. Molecules and their Interaction Relevant to Biology

TPP is a/an ________ of yeast pyruvate decarboxylase.
TLS Online TPP Program

#Question id: 10271

#Unit 8. Inheritance Biology

In cats, black coat color is dominant over gray. A female black cat whose mother is gray mates with a black male whose father is gray . If this female has a litter of 5 kittens, what is the probability that three will be black?