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TLS Online TPP Program

#Question id: 2251

Differences between cotransport and active ion transport include

#XL - Q Biochemistry

  1. the directed nature of molecule movement.

  2. the restriction of typical active transporters to movement of ions such as H+, Na+, K+, and Ca2+.

  3. the inability of cotransport to move a molecule against a concentration gradient.

  4. the location of cotransporters peripherally associated with the membrane lipid bilayer.

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TLS Online TPP Program

#Question id: 4615

#XL - S Microbiology

Currently, two of the living elephant species (X and Y) are placed in the genus Loxodonta, and a third surviving species (Z) is placed in the genus Elephas. Assuming this classification reflects evolutionary relatedness, which of the following is the most accurate phylogenetic tree?
TLS Online TPP Program

#Question id: 15711

#XL - S Microbiology

For the regeneration of a whole plant from a cell or callus tissue, there should be differentiation leading to shoot bud or embryo formation. This may occur through 
TLS Online TPP Program

#Question id: 4629

#XL - T Zoology

In the mid-1900s, the Soviet geneticist Lysenko believed that his winter wheat plants, exposed to ever-colder temperatures, would eventually give rise to ever more cold-tolerant winter wheat. Lysenkoʹs attempts in this regard were most in agreement with the ideas of
TLS Online TPP Program

#Question id: 2324

#XL - T Zoology

Bacterial DNA is located in:
TLS Online TPP Program

#Question id: 8708

#XL - S Microbiology

Concerning growth in genome size over evolutionary time, which of these is least associated with the others?