Answer:
DNA replication occurs through the help of several enzymes. These enzymes molecules by breaking the hydrogen bonds that hold the two strands together
Explanation:
Hi , the jobs are
the arteries , carry the blood away from the heart
the capillaries , enable the actual exchange of water and chemicals between the blood and the tissues
veins, carry the blood from the capillaries back toward the heart
Answer:
Morning or night
Explanation:
Depending on what time of day is the coolest, cold-blooded animals will be more active during that time. So I know that where I live, it is coolest early morning or late at night but most likely they wouldn't be active during the middle of the day when it is the hottest.
The answer is: a pathogen
A pathogen is anything that can cause a disease, such as a virus or bacteria.
'Path' is like pathology and 'gen' is like generation/ creation.
When you catch a cold, it's typically a viral infection such as rhinovirus, so pathogen works.