Q: Minerals that are not pure elements are made of what? Read this paragraph and choose the correct option from the provided answers: Minerals that are not pure elements are made of chemical compounds. For example, the mineral quartz is made of the compound silicon dioxide, or SiO 2 . This compound has one atom of the element silicon for every two atoms of the element oxygen. Choices: - isotopes - noble gases - metalloids - chemical compounds A:
chemical compounds

(Question)
Q: Individuals with sickle cell anemia have crescent-shaped what? Read this paragraph and choose the correct option from the provided answers: Figure 39.21 Individuals with sickle cell anemia have crescent-shaped red blood cells. (credit: modification of work by Ed Uthman; scale-bar data from Matt Russell). Choices: - glial cells - white blood cells - nerve cells - red blood cells A:
(Answer)
red blood cells

Ques: Q: Which system consists of all the nervous tissue that lies outside the central nervous system? Read this paragraph and choose the correct option from the provided answers: The peripheral nervous system consists of all the nervous tissue that lies outside the central nervous system. It is connected to the central nervous system by nerves. It has several divisions and subdivisions that transmit nerve impulses between the central nervous system and the rest of the body. Choices: - auxiliary nervous system - spinal cord - cerebral cortex - peripheral nervous system A:
Ans: peripheral nervous system

(Q).
Q: What develops into embryos inside seeds, from which the next sporophyte generation grows? Read this paragraph and choose the correct option from the provided answers: In seed plants, the gametophyte generation takes place in a cone or flower, which forms on the mature sporophyte plant. Each male gametophyte is just a few cells inside a grain of pollen. Each female gametophyte produces an egg inside an ovule. Pollination must occur for fertilization to take place. Zygotes develop into embryos inside seeds, from which the next sporophyte generation grows. Choices: - secretions - buds - pupa - zygotes A:
(A).
zygotes

Ques:Q: What occurs before the endometrium thickens in estrous cycles? Read this paragraph and choose the correct option from the provided answers: Choices: - fertilization - pregnancy - copulation - ovulation A:

Ans:ovulation

Q: The posterior pituitary is an extension of what anatomical structure? Read this paragraph and choose the correct option from the provided answers: Choices: - brain stem - frontal lobe - hippocampus - hypothalamus A:
hypothalamus