Practice Questions

TLS Online TPP Program

#Question id: 3921

Which observation is not evidence that supports the theory that mitochondria and chloroplasts originate from symbiotic bacteria?

#XL - Q Biochemistry

Genes for both mitochondrial and chloroplast RNA polymerase are encoded in the DNA of these organelles.
Both mitochondria and chloroplasts are about the same size as bacterial cells.
Chloroplast RNA polymerase is similar in sequence to that of cyanobacteria.
Both mitochondria and chloroplasts have their own DNA.

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TLS Online TPP Program

#Question id: 16109

#XL - T Zoology

Which response to overcooling does not involve muscle contraction

TLS Online TPP Program

#Question id: 9613

#XL - R Botany

Which of the following pairs are the best examples of homologous structures?

TLS Online TPP Program

#Question id: 2158

#XL - S Microbiology

Which of the following factors increase(s) the rate of simple (passive) diffusion of a solute across a phospholipid bilayer?

TLS Online TPP Program

#Question id: 20131

#XL - P Chemistry

Under certain conditions, the value of ΔG for a hypothetical reaction, X + Y ¾→ Z is greater than zero, then –

TLS Online TPP Program

#Question id: 1055

#XL - T Zoology

What part of the E. coli T4 phage attaches to the host cell receptors?