If two DNA samples showed an identical pattern and thickness of bands produced by gel electrophoresis, the samples contained

a. the same amount of DNA.

c. the same DNA molecules.

b. fragments of the same size.

d. all of the above

How many chromosomes are in each sperm?

A hands-on representation of an actual object

When a virus infects a bacterial cell, often new viruses are assembled and released when the host bacterial cell is lysed. If these new viruses go on to infect new bacterial cells, the new host cells may not be lysed.

When you walk across a carpet, you become negatively charged. Why do you receive a shock when you touch a metal door handle?

Phyllis is looking for food items high in omega-6 fatty acids. which item should be in her shopping cart?

Explain the importance that Agriculture has on your everyday life. Describe how your life would be affected on a day to day basis without Agriculture

The human body contains many different types of glands; glands that secrete digestive enzymes, mucus, and sweat. These secretions are modified, sorted, and packaged for later release from gland cells.

Which of the following is correctly explains why viruses are not classified with either prokaryotes and eukaryote organisms They contain cells that have no life giving function They have a cell wall and a cell membrane They are not surrounded by a

The information encoded in DNA is used within a cell in a two-stage process. The two stages of this process are called A) replication and transcription. B) transcription and translation. C) denaturation and renaturation.

Is Down Syndrome more common in a certain group of people? How common is it?