Answer: Option B) phosphate; hydroxyl; 3'
We identify nucleic acid strand orientation on the basis of important chemical functional groups. These are the phosphate group attached to the 5' carbon atom of the sugar portion of a nucleotide and the hydroxyl group attached to the 3'
carbon atom
Explanation:
For both RNA and DNA, chemical groups such as phosphate (PO3-) attaches to the 5' carbon of the pentose sugar (deoxyribose in DNA, ribose in RNA).
While hydroxyl group (OH) attaches to the 3' carbon atom of the pentose sugar.
Thus, a nucleic acid structure structure reveals a several repeating units of nucleotides where nitrogenous base links to a pentose sugar, who in turns is linked to phosphate group
Arrow a should point to muscle tissue, arrow B should point to an organ, arrow c should point to organ system.
Answer:
The part of a riverbend that will experience the most erosion is the inside corner, this is because the water will be hitting it on two sides, the erosion will likely curve the inside corner more.
Answer:
A) The outcome of the experiment is that accumulated best in section C. This is because 64 fish were in this section which is the largest amount.
B) one variable that was uncontrolled was that fish were not forced to go into a certain section. They had a chance to accumulate by themselves. If this was controlled, fish wouldn’t be able to adjust by themselves, they would be forced in a section they might not accumulate well in. Another uncontrolled variable would be amount of food you give them. This affects the result because if you don’t feed them, they will die. If you feed them too much, they over eat and die. C) The temperature can affect the physiology because if it is too cold for the fish, they will go to another section until they are warm. If it is too hot for the fish, they will go somewhere cooler.
Explanation:
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When a single copy of a disease allele doesn't result in a disease but instead is good for the person or organism that carries it, we say that allele has a heterozygote advantage. In other words this occurs when heterozyhotes have increased fitness over both homozygotes. A good example is sickcle cell trait, which protects against malaria in heterozygotes, but causes a deadly disease in homozygotes.
