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TLS Online TPP Program

#Question id: 3014

Regarding prokaryotic reproduction, which statement is correct?

#I Life Science/ Life Sciences Group – I-V

  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: 1544

#SCPH06 I Botany

function equivalent of MASP-2
TLS Online TPP Program

#Question id: 1612

#SCPH28 | Zoology

Neutrophil defensins are:
TLS Online TPP Program

#Question id: 10575

#SCPH28 | Zoology

If the per capita birth rate (b) and per capita death rate (d) in one year is 0.80 and 0.20 respectively. if the initial population size is 600, what will be net change (dN) in population size in one year
TLS Online TPP Program

#Question id: 4123

#SCPH06 I Botany

A certain bacterial mRNA is known to represent only one gene and to contain about 800 nucleotides.  If you assume that the average amino acid residue contributes 110 to the peptide molecular weight, the largest polypeptide that this mRNA could code for would have a molecular weight of about:
TLS Online TPP Program

#Question id: 2122

#SCPH06 I Botany

The inner (plasma) membrane of E. coli is about 75% lipid and 25% protein by weight.  How many molecules of membrane lipid are there for each molecule of protein?  (Assume that the average protein is Mr 50,000 and the average lipid is 750.)