Beta ( β ) sheets are a type of secondary structure in proteins. A segment of a single chain in an antiparallel β sheet has a length of 193 Å . How many residues are in this segment?

55 residues

Step-by-step explanation:

We are given that length of sheet= 193 Å

We need to find out the number of residues in this segment.

Now in an anti parallel  β sheet, the repeat comes out after every 7Å.

In every repeat, there are 2 residues.

So, to find out the number of residues in segment, we multiply the number of segments with the residues in every segment.

Residues in segment=

Residues in segment= 55.14

Or 55 residues.

step-by-step explanation:

. your answer will contain x - and y -terms. (1 point) x ( ¿¿ 2 − 7 ) 2 +( y 2 − 9 ) 2 √ ¿ 12. what is the distance from the directrix (the crocodile river) to the point ( x , y )? write this equation. your answer will contain a y -term.

the answer is d

step-by-step explanation: