An ion of calcium has a + 2 charge, and an ion of chlorine has a - 1 charge.

How many chlorine ions are needed to create a stable ionic compound with an ion of calcium?

What are the four types of instruments that measure humidity?

What occurs during cytokines? A. DNA replication begins B. Chromosomes line up along the metaphase plate C. Cells begin the process of dividing D. Pairs of chromosomes separate

One way to avoid an overgrowth of toxin-producing algae would be to reduce or eliminate

What is the best explanation for why produces are important in an ecosystem

An animal's body works to maintain its body temperature at a constant level, even when the surrounding temperature changes. What type of feedback does this example show?

Refer to the genetic code table to fi nd the amino acid that is encoded by the mrna codon cca. what bases would be found in the complementary trna anticodon?

Which state is likely to have the most tornadoes per year? California Nevada Oklahoma Washington

Humans are different from each other in many ways, including in their sizes, shapes, skin color, facial features, and handedness.

The synthesis of an rna molecule from a dna template strand is

Recall that two hydrogen bonds bind A and T, but three hydrogen bonds bind G and C. Because the stability of DNA is affected by the number of hydrogen bonds, with more bonds promoting more stability, which double-stranded DNA molecule would likely