<span>Purines and pyrimidines form hydrogen bonds between each other. Certain polar chemical groups form electrostatic interactions or hydrogen bonds. The A-T and C-G pairings form the hydrogen bonds between the amine and carbonyl groups on the complementary bases.</span>
Usually, the baby's eyes will open around 26-28 weeks gestation.
The heart develops around week five, and begins to beat at the end of the 5th week. A heartbeat via ultrasound by 6 weeks, by 10-12 weeks you should hear the heartbeat with a Doppler device. A heartbeat usually won't be detected at 4-5 weeks of pregnancy.
Preparation for childbirth begins anywhere from 30-32 weeks during the process called lightening (the baby turns to a head-down position), however, the baby can flip to the head-down position, then flip again, and so on.
The formation of hair and eyelashes begins during week 22, so the answer is B. Formation of hair and eyelashes.
Answer: Alcoholism treatment program
Explanation: I think it’ll help them with their problems.
Glucose is usually referring to one molecule that is gained directly from carbohydrates. These glucose molecules are broken down to usable energy called ATP.
Glycogen is stored in Liver and is complex carbohydrate used by a animals. These are like super large molecules of glucose, having multiple glucose molecules in a chain. This provides energy for cells if glucose is unable to be processed or there is none the body can use.
Answer:
I think its B
Explanation:
It satisfies hunger when eating slowly
