Why is coal brittle and diamonds hard when both are forms of elemental carbon

2. The gene for long tentacles is recessive (I). The gene for short tentacles is dominant (L). A female yellow sea anemone has long tentacles.

Barney and Betty are about to have their first child. They both have "normal" feet but Barney's father has flat feet and Betty has a child from a previous marriage who has flat feet, meaning they are both heterozygous for the trait.

Which of the following statements is part of the cell theory? A. All cells come from pre-existing cells. B. All living things are made up of one or more cells. C. Cells are the basic units of living things. D. all of these

Estimate the tax on a $198 stereo when the sales tax is 5.25%.

Which effects are factors in long-term climate change? Check all that apply. Earth's orbit around the Sun ice forming on a lake solar energy volcanic eruptions thunderstorms

Explain how the shape of a protein molecules can affect its function

During the admission assessment of a new client, the nurse is preparing to assess the client's thyroid gland. how should the nurse perform this assessment

2. Some proteins within a cell can be viewed with a/an

Finish this sentence: most new species arise from a common ancestor one ... A) mutations randomly occur. B) populations of the original species suddenly become isolated from each other. C) natural selection does not occur.

which kind of tissue is designed to regulate temperature, secrete lubricants and protect the body from harmful substances