When our bodies demand high blood input, our veins expand, since more blood flows through them to nurture our muscles. This, in turn demands more heat rate. The brain detects this increase in heart rate and it sends chemical messages to turn it down. So the correct option is C. the heart beat. The other options does not have a role with blood pleasure regulation, although they might influence its performance.
2.1 false, Salive breaks down starch as it has amylase enzyme
2.2 true
2.3 false, small intestine
2.4 true
2.5 true
I’m not sure of all of my answers so i’m sorry if i got anything wrong.
Answer:
D
Explanation:
the mRNA brings information to the nucleus for the tRNA to use
Helicases are used separate strands of a DNA double helix or a self-annealed RNA molecule using the energy from ATP hydrolysis, characterized by the breaking of hydrogen bonds between annealed nucleotide bases. They also function to remove nucleic acid-associated proteins and catalyze homologous DNA
gyrase is an enzyme that catalyzes the ATP-dependent negative super-coiling of double-stranded closed-circular DNA. Gyrase is a class of enzyme called topoisomerases that are involved in the control of topological transitions of DNA.
Answer: symbiosis
Explanation:
Intimate association of organisms of different species to mutually benefit in their vital development.
