What are the name of the bond formed between amino acids

Ionic bond

Peptide bond

Hydrogen bond

Where do hydrogen ions come from

A student recieved a flu shot in the fall. During the flu season the student caught a cold. The most likely reason the vaccine he recieved did not prevent the cold was that

What are the 8 characteristics of ALL life?

Which types of organisms are most likely to survive change in an ecosystem, those that have a narrow ecological niche or those that have a broad niche?

A forest fire kills many organisms and immediately changes the environment. What can you infer about the organisms that survived the immediate change?* They have adaptations to long-term environmental changes.

What factors will be important in deciding future use of energy resources?

If a radioactive nuclide has a half-life of 1.3 billion years, and it is determined that a rock contains 50% of its original amount of this nuclide, about how old is the rock?

What is an advantage of interviews?

What two characteristics of life result from mitosis?

An early Homo sapien from 35,000 years ago would be considered our ...