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TLS Online TPP Program

#Question id: 5260

Regarding prokaryotic reproduction, which statement is correct?

#XL - S Microbiology

  1. Prokaryotes form gametes by meiosis.

  2. Prokaryotes feature the union of haploid gametes, as do eukaryotes.

  3. Prokaryotes exchange some of their genes by conjugation, the union of haploid gametes, and transduction.

  4. Mutation is a primary source of variation in prokaryote populations.

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TLS Online TPP Program

#Question id: 10562

#XL - R Botany

The direction and rate of water flow across a membrane are determined by
TLS Online TPP Program

#Question id: 9567

#XL - T Zoology

Which part of the electromagnetic spectrum is the photosynthetically active region?
TLS Online TPP Program

#Question id: 1732

#XL - Q Biochemistry

Protein tyrosine kinase activity following T-cell stimulation:
TLS Online TPP Program

#Question id: 498

#XL - S Microbiology

Glucose breakdown in certain mammalian and bacterial cells can occur by mechanisms other than classic glycolysis.  In most of these, glucose 6-phosphate is oxidized to 6-phosphogluconate, which is then further metabolized by:
TLS Online TPP Program

#Question id: 3750

#XL - Q Biochemistry

Which of the following facts did Hershey and Chase make use of in trying to determine whether DNA or protein is the genetic material?