Which of the following substances is a weak base? ... lemon juice, vinegar, sea water, or pure water

Why is temperature a quantitative measurement?

Considering that nearly 85 percent of corn crops are genetically engineered, which impact does genetically engineered corn have on human health? Only positives can come from this type of technology, as seen in the DDT study.

Why can the same trna and rrna molecules be used to synthesize a wide variety of polypeptides

What happens in the stomach? A. Salivary amylase breaks down the food. B. Waste material is expelled from the body. C. Water and nutrients are absorbed. D. Large proteins are broken into smaller proteins.

Covalent bonds place constraints on the shapes of biological molecules. As the size and complexity of a biomolecule increases, the chemical focus shifts from covalent bonds to noncovalent interactions.

Which type of macromolecule is the quickest source of energy for the body

Which two structures contain DNA

When reproduction is achieved through meiosis and subsequent fertilization it is called?

Which statement is correct? A. Both plants and fungi undergo photosynthesis. B. Both protists and fungi are eukaryotic. C. Like some prokaryotes, fungi are autotrophic. D. Both animals and fungi lack cell walls.

In an ecosystem, bees are responsible for the pollination of flowers. Over time, the number of bees in the population have increased. Which of these best explains why the number of flowers in the population have also increased?