Smoking is responsible for what percentage of lung cancer

You are jogging with a friend on a nearby trail one summer, after about 45 minutes he complains of dizziness and feels sick to his stomach. what might be wrong with your friend and what should you do to treat his symtoms

How are bacteria and viruses similar

In what ways have pesticide technology has good and bad impacts?

What would happen to a prokaryotic cell if the nucleoid was not there

Why is it important that scien ists conduct multiple observations during an experiment? Data need to be reliable. Data need to be based on opinions. O Data need to be subjective. O Data need to be supported by old information.

How does an f + cell differ from an hfr cell? how does an f + cell differ from an hfr cell? hfr strains have the f plasmid integrated into the chromosome. f + cells have no plasmids. hfr cells cannot perform conjugation.

How can the environment be organized into levels from simple to complex?

A biologist who studies the transmission of genes from one generation to the next would be called?

A carbohydrate is broken down into smaller sugars, this is an example of what type of energy? A. chemical B. mechanical C. sound D. nuclear

Which of the following is true of a eukaryotic cell in a multicellular organism? a. possess ribosomes b. possess a cell membrane c. possess a nucleus d. possess cytoplasm e. able to perform all life functions f. possess DNA