Answer:
3
Explanation:
Three hydrogen bonds....
"Cytosine and guanine pairing can be found in both DNA and DNA-RNA hybrid formed during replication and transcription. The two nitrogenous bases are held together by three hydrogen bonds."
Answer:
carbohydrates
Explanation:
this is because even though the person hasn't eaten he or she still has an amount of carbohydrates in the body that can be broken down and its end product glucose will be obtained
They are important in long term memory because they respond faster in a second infection with the same pathogen
BODY SYSTEMS<span>INTEGUMENTARY SYSTEM
MUSCULAR SYSTEM
SKELETAL SYSTEM
CIRCULATORY SYSTEM
NERVOUS SYSTEM
LYMPHATIC SYSTEM
RESPIRATORY SYSTEM
ENDOCRINE SYSTEM
DIGESTIVE SYSTEM
URINARY SYSTEM
REPRODUCTIVE SYSTEM
CELLSTISSUES
ORGANS
</span>
