How do the muscles in the human body with movement?
a.
they squeeze the bones.
b.
they cause bones to bend.
c.
they push bones apart through ligaments.
d.
muscles contract and thus pull on bones to cause movement.
my guess is d ps idk what subject this is

Why do you think water is so important to living things

Which best describes red blood cells? a. they are colorless b. they protect against disease-carrying microorganisms c. they transport oxygen throughout the body d. they aid in blood clotting

Dna has unique properties that allow it to accurately retain genetic information, even after multiple rounds of replication. one aspect of dna that allows it to accurately store genetic information is the base pairing from chargaff\'s first rule of the four nucleotide bases. if the c content of a dna molecule is 22%, what are the percentages of the remaining bases?