Practice Questions

TLS Online TPP Program

#Question id: 2994

If a cell has completed meiosis I and the first cytokinesis, and is just beginning meiosis II, which of the following is an appropriate description of its genetic contents?

#Section 3: Genetics, Cellular and Molecular Biology

It has half the amount of DNA as the cell that began meiosis.
It has half the chromosomes but twice the DNA of the parent cell.
It has one-fourth the DNA and one-half the chromosomes as the parent cell.
It is genetically identical to another cell formed from the same meiosis I event.

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TLS Online TPP Program

#Question id: 1876

#Section 2: General Biology

What is the only HIV vaccine employed to have provided any evidence of efficacy?

TLS Online TPP Program

#Question id: 14426

#Section 5: Bioprocess Engineering and Process Biotechnology

What is the function of the proportional mode in PID controllers?

TLS Online TPP Program

#Question id: 24084

#Section 5: Bioprocess Engineering and Process Biotechnology

The first-order reaction A → B, has k = 5.67 s^–1. If [A]₀ = 0.500 M, how long will it take [A] = 0.124 M?

TLS Online TPP Program

#Question id: 3732

#Section 3: Genetics, Cellular and Molecular Biology

Which proteins are responsible for the unwinding of the double-stranded DNA during replication?

TLS Online TPP Program

#Question id: 14588

#Section 2: General Biology

A suffix used to describe a killing action would be