Why all living organisms need to have DNA

Explain why the scientific method may not follow the exact same steps each time through the process.

A cell that requires a lot of energy might contain large numbers of

Which of the following are types of biological evidence that can be used for DNA testing? fingerprints saliva blood sweat clothing

Cross communication is

3. What are polymers?

Individuals with Huntington's disease possess an allele that causes severe symptoms by a. replacing pairs of chromosomes. b. halting the process of gene expression. c. producing certain abnormal proteins. d. regulating the sequences of nucleotides.

what evidence do scientist find in the fossil record that suggests there was a big extinction event that occurred 66 million years ago?

Name the sporozoans responsible for the greatest number of human deaths. What disease does it cause and how it is transmitted?

What is the main difference between adaptive radiation and other forms of speciation? Adaptive radiation is a mechanism for evolution. Adaptive radiation happens over a relatively short time. Adaptive radiation requires a founding population.

How does the body use cholesterol by learning and memory