DDT was used to do what? A. fetralizinh soil B. kill insects C. form ozone D. feeding animals

When eukaryotic cells divide, what happens next after the DNA replicates? The nuclear membrane dissolves, and spindle fibers form. The chromosomes are separated to opposite ends of the cell. The chromosomes line up along the center of the cell.

Which of the following is a radical? A. O B. H2O C. OH D. H

Match the glacial feature with its description? A. Stalactites B. Stalagmites C. Sinkhole D. Swallow Hole 1. Where a stream disappears into the ground 2. Grow toward the cave ceiling 3. Grow toward the cave floor 4.

What do the numbers 3 and 4 refer to in 3NH4

What causes hydrogen bonding between water molecules

If an ambulance hits someone on the road while transporting someone to a hospital, do they bring that person with them too?

Cell biologists have introduced radioactively labeled carbohydrates, fats, and amino acids to living cells, allowed time for cell metabolism, and then placed the cells in a blender and separated out the various cell organelles from the cytoplasm.

Increased production of goods makes our lives more comfortable, but causes an increase in the demand for energy and other resources. One negative impact of this situation on ecosystems is an increase in

One of the most common causes of pneumonia is Streptococcus pneumoniae, a gram-positive bacterium. Surrounding the bacterium is a thick structural component layer known as a capsule.

What determines which of the two dna strands will serve as the template during transcription?