Which of these are physical changes in matter

Which is RNA polymerase binding site on a typical gene? A. promoter B. repressor C. intron D. operon

Which is the difference between an antibiotic and an antiviral? Antibiotics build up immunity, and antivirals increase white blood cells. Antibiotics treat the symptoms, and antivirals destroy the causing organism.

Would everyone dusting away at the end of avengers infinity war be considered a physical or chemical change I have a science project about physical and chemical change and i wanted to make it "fun-er"

In the amphibian heart what part is the atrium and what is its function

N which structure of the female reproductive system are eggs produced?

Which of the below is TRUE regarding desertification? a. It is likely to happen in any type of climate b. It produces rich desert ecosystems c. It is not usually impacted by droughts or climate change d.

What is considered a pre existing medical condition?

Humans do not eat the algae directly from the ocean, so how can we still be affected by it?

In an effort to control the ongoing cholera epidemic affecting Haiti, health officials are considering the use of cholera vaccines. One difficulty they are facing is the limited vaccine supply.

which term refers to the structure that forms the surface of a cell separeting its conctents from the outside world