Which of the following statements is a scientific claim?

A. Planet Earth is abundant in water, but there is no way to scientifically determine from where Earth's water originated.

B. The mass of the universe is much greater than current models predict; it is not possible to explain this inconsistency.

C. The early solar system had large amounts of water, so, the oldest objects in the solar system should also be abundant in water.

D. Earth is shaped like a sphere even if not all of the scientific observations related to its shape support this idea.

identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.

advantage of using stem cells in medical research:

1.       it provides medical benefits in the fields of therapeutic cloning and regenerative medicine.

2. it provides great potential for discovering treatments and cures to a variety of diseases including parkinson disease, spinal cord injuries, diabetes, alzheimer’s disease and many more.

3. limbs and organ could be grown in lab from stem cells and then used in transplant or treat illness.

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enzyme active site and substrate specificity

enzymes bind with chemical reactants called substrates. there may be one or more substrates for each type of enzyme, depending on the particular chemical reaction. in some reactions, a single-reactant substrate is broken down into multiple products