The sun is the ultimate source of energy for terrestrial ecosystems. approximately how much of the potential energy available from the sun s rays hitting the earth is used in photosynthesis? 50% 25% 10% 1%

A cell contains eight chromosomes at the end of prophase i. how many chromosomes will be in each daughter cell at the end of prophase ii?

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Some viruses found on the oceans surface can infect and kill plankton. How would this affect the fish population and human health?

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The three-dimensional structure of a protein is determined by its primary, secondary, and tertiary structures. Define the primary, secondary, and tertiary structures. What are some of the common secondary structures?

Question 2 What is the difference between a non-mutated gene and a mutated gene? The sequence of DNA bases is different. The sequence of DNA bases has been removed. Adenine pairs with guanine or cytosine; guanine pairs with adenine or thymine.

After recording the damage encountered in a load, what should be done with the damaged cases?

Radioactive decay occurs when atoms: A. lose mass B. join with atoms of another element C. break down the form atoms of another element D. are exposed to another element

In the digestive system what part of the body precedes the small intestine?

The difference between mitosis and meiosis