Answer:
Hello. Let me explain.
Explanation:
Chromosomes are the complex form of chromain.
Chromatins are a strand of DNA that surounded 8 histonic proteins.
When this chromatin is pressured and complex we have Chromosome which are made of two half. Each half is called sister chromatid. This two chromatides are attached from a place which is called centromer.
In cell cycle before reaching m phase the chromatins change to chromosomes.
Hope you understand.
Answer:
Hi, please give us the background of this question so we know what job you're referring to.
Explanation:
Norepinephrine is released from sympathetic nerves, causing the heart rate to increase to higher values.
<h3>What is Norepinephrine?</h3>
Norepinephrine is a neurotransmitter (i.e., a chemical messenger) which is well known for sending information to the brain in order to increase alertness during some particular situation and also serve to constrict blood vessels.
In conclusion, norepinephrine is released from sympathetic nerves, causing the heart rate to increase to higher values.
Learn more about Norepinephrine here:
brainly.com/question/13753173
#SPJ1
Common food borne illnesses are things like salmonella, E. coli, and listeria. I’m naming these since they are the most common, and the easiest way to avoid them is by ensuring the food is cooked thoroughly.
