Cervix
Janine recently had surgery on the neck, or narrow lower portion, of her uterus. Janine's surgery was performed on the cervix.
The cervix is the narrow neck-like passage that forms the lower portion of the uterus in the human female reproductive system. The cervix joins the vagina and uterus and it is mainly made up of fibromuscular tissue. The two major parts of the cervix are ectocervix and endocervix. During menstrual cycle, the cervix opens a bit to allow the passage of menstrual flow. The cervix also dilates largely to allow the passage of baby during childbirth.
Answer: The part of DNA that the teacher was modelling would be the backbone of DNA.
Explanation:
The DNA is made of double helical structure which is twisted. In the structure of DNA two strands are coiled among each other.
The DNA consists of the nitrogenous bases, phosphate groups and deoxy-ribose sugar.
The backbone of DNA is made up of sugar( alternating )and phosphate group.The nitrogenous bases such as adenine, cytosine ,guanine and thymine are joined to the deoxy-ribose sugar.
This backbone part was part that the teacher was making as a model by using two coiled springs.
Answer:Like most components of Earth, rocks change over time in a cycle . Rocks exist in three forms (igneous, sedimentary , and metamorphic) and when exposed to extreme heat and pressure , they can cycle between these different forms. As rocks change from one form to another, their atoms are not destroyed; they just change . Also, no new minerals are created in the process; the amount of matter remains constant. Basically, materials in the rock cycle are [[recycled]] into new rock forms, similar to the way chemicals react in a closed system to create new substances.
Explanation:
Answer:
3 is tropical i cant read 6 sorry
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