Which excerpt from the land, part 4 best supports the claim that paul is a talented horseback rider? a/“figure that says more than anything else! now, i want to ride that stallion! " b/my daddy shook his head. "paul only rides horses he knows. ” c/? i glanced over at the other rider. the fellow was older than i, and had the weight of a man on him. d/a man out of alabama, man name of ray sutcliffe, told my daddy i was such a good rider, he wanted me to ride some races for him.

D: A man out of Alabama, man name of Ray Sutcliffe, told my daddy I was such a good rider, he wanted me to ride some races for him.

Explanation:

D. A man out of Alabama, man name of Ray Sutcliffe, told my daddy I was such a good rider, he wanted me to ride some races for him.

Explanation:

This is the excerpt that best supports the idea that Paul is a talented horseback rider. In options A to C, although Paul does not appear to be a bad rider, there is more ambiguity regarding his skills. However, option D explicitly states that Paul was a good rider, and that he was so talented that a man from Alabama wanted him to ride some races for him.

hydroxyl -oh

alcohols, always polar, can form hydrogen bonds with h2o molecules

carboxyl -cooh  

cargoxylic acids, has acidic properties which is a source of hydrogen ions, found in cells in ionized for with a charge of oh-1

carbonyl > co

ketone if within skeleton, aldehyde if group is at the end of skeleton, k & a may be structural isomers, it determines 2 sugars (ketose & aldose)

amino -nh2

amines, acts as a base, it can pick up h+ ions from surrounding solution, ionized with charge of 1+

methyl ch2

addition to rna/dna affects and gene expression

phosphate -opo3 ²⁻

organic phosphates, contributes to negative charge to, molecule that it is a part of, and potential to react with h20

sulfhydryl -sh

thiols, cross-linking stabilize the protein, and it is structure