Please I need Help with Biology? - quinine as a chemical element
1.atter can be seen as anything that occupies space and mass are determined
True or False
2.An element contains only one species: neutrons, protons, atoms or electrons
__________ 3.Protons charged particles in an atom.
________________ Neutrons are particles in an atom.
__________________ The electrons are charged particles in an atom. The fundamental unit of matter is called ____________.
Atom A.
B. negative
C. Neutral
D. Positive
4. A biological substance is at least one:
A. Sodium-potassium bond
As carbon-hydrogen --
C. Sodium chloride binding
D. Organic compounds contain any links
5. The most abundant element in the human body.
6. Hemoglobin is an organic molecule whose activity in the photosynthetic
True or False
7. Potassium and sodium ions are important to help the heart function in humans.
True or False
8. Chemicals of interest are available in nature and man. Arrange the chemical, which is the source:
"
A, B, C or D. willow bark
A, B, C and D. Yew
A, B, C or D. Mushrooms
A, B, C or D. Chicon Bark
A. Quinine for the treatment of malaria
B. Taxol for cancer treatment
C. Aspirin for the treatment of pain and fever
D. penicillin used to treat bacterial infections
9. The strongest form of the loan is a loan ___________.
A. covalent
B. Hydrogen
C. Ionic
D. None of the above
10.If the water molecules are attracted to each other is called ________________.
11.When make the water molecules to other substances, dressed like dew on spider webs, it is called ________________.
12. The surface tension of water is a kind of cohesion, water makes "power".
True or False
5 comments:
Organic is the way to go!
Get the old textbook and look at them. Who knows, you learn something from May!
True
wrong
positive
Neutral
negative
Atom
Carbon-hydrogen bonds
Yahoo! Scope ru hunni?
These questions are as simple as f ** k.seriously!
and was the chemistry and biology ..... not only organic ... lol
1.true
2.neutron
3.BCDA
4.B
5.CALCIUM
6.FALSE
7.FALSE
8.
9.IONIC
10.HYDROGEN LINK
11
12.FALSE
Get the old textbook and look at them. Who knows, you learn something from May!
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