The greatest number of shared derived characters should be found in two organisms that are placed in the same kingdom class.The biggest quantity of the offshore fields drives characters must be observed among the 2 organisms which are the member of the identical kingdoms magnificence area family
Shared derived tendencies derived tendencies, individual states which are shared through species and which are exceptional from the ancestral species. a collection or member this is intently associated however now no longer a member of the organization being studied.
Cladistics /Phylogeny- is a exceedingly new device of class that makes use of shared derived tendencies to set up evolutionary relationships. A derived trait is a function that advanced handiest in the organization beneathneath consideration. A phylogenetic tree primarily based totally on a cladistic evaluation is referred to as a cladogram.
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Pleiotropy occurs when one gene influences multiple, seemingly unrelated phenotypic traits. A single gene is responsible for pigmentation and hearing.
Answer:
The voltage-gated potassium channels associated with an action potential provide an example of what type of membrane transport?
A. Simple diffusion.
B.<u> Facilitated diffusion.
</u>
C. Coupled transport.
D. Active transport.
You are studying the entry of a small molecule into red blood cells. You determine the rate of movement across the membrane under a variety of conditions and make the following observations:
i. The molecules can move across the membrane in either direction.
ii. The molecules always move down their concentration gradient.
iii. No energy source is required for the molecules to move across the membrane.
iv. As the difference in concentration across the membrane increases, the rate of transport reaches a maximum.
The mechanism used to get this molecule across the membrane is most likely:
A. simple diffusion.
<u>B. facilitated diffusion.
</u>
C. active transport.
D. There is not enough information to determine a mechanism.
Carrier proteins - exist in two conformations, altered by high affinity binding of the transported molecule. Moves material in either direction, down concentration gradient (facilitated diffusion). EXAMPLE: GluT1 erythrocyte glucose transporter.
Channel proteins - primarily for ion transport. Form an aqueous pore through the lipid bilayer. May be gated. Moves material in either direction, down concentration gradient (facilitated diffusion). EXAMPLES: Voltage-gated sodium channel, erytrhocyte bicarbonate exchange protein.
This might be helpful... because I don't know anything about facilitated diffusion.
Answer:
the chromosome are found in the nucleus of a body cell in pair
