Many of the chemical reactions within a cell occur in the

a endoplasmic reticulum

b mitochondria

c cytoplasm

Responding to the environment is a characteristic of life best shown by which example? O O O a human shivers on a cold day a horse trots in a field a dog swims in a pond a cat licks its paws

Who first proposed the theory of continental drift

If the same parents have four boys, what is the probability their fifth child will be a girl?

Critique the statement, "The color of an object depends on the wavelengths of light it absorbs." Why is the statement inaccurate? How could you change the statement so it is correct?

Write a prediction that answers the lab question, "How are proteins built using the information provided by a molecule of RNA?" Remember, you are describing processes, so your prediction should include steps.

What is the mass of an atom that has 4 protons, 5 neutrons and 4 electrons? 5 8 9 13

Which of the following is one role of RNA polymerase during transcription? to switch uracil with thymine on the exposed gene to build a molecule of mRNA to break down an already existing protein to produce a start sequence

What is diluvial water

What disease can occur when the pancreas is not working properly?

Which of these objects are malleable? Check all that apply. (A) tin fork and knife from a camping set (B) antique ceramic vase (C) steel pole fence post (D) marble sculpture (E) glass tabletop (F) copper coin