user: Answer the following question given this paragraph:   A molecule of water ( Figure below ) is made of three atoms bonded together. Two of these atoms are hydrogen and one atom is oxygen. The hydrogen ions have a positive electrical charge. The oxygen atom has a negative electrical charge. The hydrogen atoms are located on one side and the oxygen atom on the other. This means that the side with the hydrogen ions has a slightly positive charge. The other side, the side without the hydrogen ions, has a slightly negative charge. The water molecule is a polar molecule .   Q: What molecule is made of two hydrogen atoms and one oxygen atom?   Choices:  - Oxygen  - carbohydrate  - lipids  - water  A:
water


(Question)
Answer the following question given this paragraph:      Q: What kind of enzyme is phosphofructokinase?   Choices:  - covalent  - intracellular  - orthosteric  - allosteric  A:
(Answer)
allosteric


Ques: Answer the following question given this paragraph:   years or more. During this time, a girl’s height can increase 3 inches a year. The next step in puberty is menarche, the start of menstruation. In boys, the growth of the testes is typically the first physical sign of the beginning of puberty, which is followed by growth and pigmentation of the scrotum and growth of the penis. The next step is the growth of hair, including armpit, pubic, chest, and facial hair. Testosterone stimulates the growth of the larynx and thickening and lengthening of the vocal folds, which causes the voice to drop in pitch. The first fertile ejaculations typically appear at approximately 15 years of age, but this age can vary widely across individual boys. Unlike the early growth spurt observed in females, the male growth spurt occurs toward the end of puberty, at approximately age 11 to 13, and a boy’s height can increase as much as 4 inches a year. In some males, pubertal development can continue through the early 20s.   Q: In boys, what hormone stimulates the growth of the larynx and thickening and lengthening of the vocal folds, which causes the voice to drop in pitch during puberty?   Choices:  - Sexual  - Endocrine  - Petuitary  - testosterone  A:
Ans: testosterone


(Q).
Answer the following question given this paragraph:   Volcanic eruptions can be non-explosive or explosive depending on the thickness of the magma.   Q: What determines whether a volcanic eruption will be explosive or not?   Choices:  - lava temperature  - magma velocity  - curve of magma  - thickness of magma  A:
(A).
thickness of magma


Ques:Answer the following question given this paragraph:   Oxidation can be defined as the addition of oxygen to a molecule or the removal of hydrogen from a molecule. When an alkane is heated in the presence of an appropriate catalyst, it can be oxidized to the corresponding alkene in a reaction called a dehydrogenation reaction. Two hydrogen atoms are removed in the process. The alkene can be further oxidized to an alkyne by the removal of two more hydrogen atoms.   Q: What is the addition of oxygen to a molecule or the removal of hydrogen from a molecule called?   Choices:  - precipitation  - evaporation  - ionization  - oxidation  A:

Ans:oxidation


Answer the following question given this paragraph:      Q: Which blood leaves the placenta through veins leading back to the fetus?   Choices:  - immunity  - molecular  - pelvic  - fetal  A:


assistant: fetal