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TLS Online TPP Program

#Question id: 4167

Which statement is false concerning ribosomes and their components?

#XL - T Zoology

  1. All ribosomes have two subunits of unequal size.

  2. The genes for eukaryotic rRNA occur as tandem arrays of hundreds of copies.

  3. The 30S and 50S ribosomal subunits of E. coli combine to generate an 80S subunit.

  4. Sequences exist in prokaryotic and eukaryotic rRNA that are so similar, they likely derive from a common ancestor.

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TLS Online TPP Program

#Question id: 2056

#XL - S Microbiology

A mother has an Rh- and the father an Rh+ blood type. The first baby born to the parents was Rh+ . However, the parents elect for the mother not to receive Rhogam. future babies of this couple at risk for
TLS Online TPP Program

#Question id: 29558

#XL - R Botany

Identify the type of placentation in the following diagram.
TLS Online TPP Program

#Question id: 2114

#XL - S Microbiology

A research team is working on the design of a new drug for the treatment of lung cancer. To be most effective, this drug must specifically enter the cytoplasm of lung cells while not entering the cells of other tissues. Which of the following characteristics would likely enhance the specificity of this drug?
TLS Online TPP Program

#Question id: 11568

#XL - T Zoology

In a lactating mammal, the two hormones that promote milk synthesis and milk release, respectively, are ________.
TLS Online TPP Program

#Question id: 27231

#XL - T Zoology

How many base pairs are there in every helical turn of Watson-Crick double helix model?