Is a pollen from a plant abiotic or biotic?

and is pollution from an oil refinery abiotic or biotic?

A scientist is working on developing refrigerants that do not release chemicals that destroy the ozone layer. this is best described as an example of

What type of cell has no nucleus or membrane-bound organelles

Why is it difficult to grow anaerobes in vitro?

What are the different compelments of cellular respiration

The genetic code is fairly consistent among all organisms, and the term often used to describe such consistency in the code is universal. additionally, since there is often more than one codon for a particular amino acid, the genetic code is

Charles Darwin came up with the system we use to name and classify organisms. True False

8. Cystic fibrosis is caused by a recessive allele. The frequency of this allele is 0.1 in a population of 2,500. a. What is the frequency of the dominant allele? b. How many people in this population will have cystic fibrosis? c.

Which part of the brain controls conscious activities, memory, language and the sense?

Which intestinal disorder is characterized by the colon overresponding to normal stimuli, which causes alternating patterns of constipation and diarrhea?

The gene has a frameshift mutation, where the fifth sequence in the base is deleted. write the new DNA base sequence