Why is water so important for metabolic reasons.

Students react baking soda & vinegar. Which of the following would provide the evidence that the number of atoms present before a chemical reaction is equal to the number of atoms present after the chemical reaction?

A bee sting is painful because the bee releases methanoic acid, which attacks nerves in the skin. It can be treated using a neutralization reaction by applying a cream that contains what?

Under a microscope, you can see that a plant cell has only half the usual number of chromosomes. What stage of the plant's life-cycle are you witnessing?

is a collections of 250 to 800 million neural fibers that connect the left and right hemispheres of the brain, permitting them to communicate and coordinate processing

which statement correctly identifies the scientific question and describes why the question is scientific

What slime-covered structures are thought by some scientists to be where the first cells might have formed?

What type of molecule do animal cells use for long-term energy storage? Starch Sugar ADP Fat

When a cell gains water, what happens to its size and weight?

Which of the following shows the correct unit of weight listed from largest to smallest? A. Gram, microgram, milligram, kilogram B. Microgram, milligram, gram, kilogram C. Kilogram, gram, milligram, microgram D. Milligram, microgram, kilogram, gram

When no serologist available, what do states rely upon for experts?