What classification of substance contains 2 or more diffrent particles mixed together?

Between which latitudes are kelp forests distributed, approximately? Between which latitudes would it be highly unlikely for kelp forests to grow? Explain.

Why is the nucleus considered the command center of the cell? A) it contains the genetic information for every function of the cell. B) it is the cells power house and processes energy for the cell.

If the bag is permable to starch what way will the starch move

Which best describes the relationship between the terms "frequency," "wavelength," and "hertz"? Wavelength is the number of frequencies, which is measured in hertz. Frequency is the number of wavelengths, which is measured in hertz.

You are preparing to give ventilations to a 5-year-old child using a resuscitation mask. you should give 1 ventilation about every: a. 1 second.

Which argument supports the idea that viruses are alive? A. Viruses have a cell membrane. B. Viruses contain unique genetic information ... C. Viruses replicate in a host. D. Viruses do not produce proteins.

Make a punnet square showing the alleles the parent plants and the first generation

Which one of the following diseases is caused by a virus? A. Strep throat B. Hepatitis B C. Tetanus D. Tuberculosis

Explain how it would be possible to have a change in a single base of DNA, but have the protein NOT change and be functional.

During DNA replication, what is the first process to occur? a:zipping up of the DNA strand for copying b:synthesis of the leading strand c:synthesis of the lagging strand d:unwinding of the parental DNA by helicase enzyme