1. In hierarchy of life chart in our text (atoms to biosphere), as you go higher
ID: 195805 • Letter: 1
Question
1. In hierarchy of life chart in our text (atoms to biosphere), as you go higher in the chart the level of _________________________ and _____________________ increases.
4. Today organisms are classified largely according to their:
a) look
b) smell
c) behavior
d) DNA
5. A(n) ___________ ____________ is a characteristic of a system that does not appear in any of its component parts.
7. What determines the identity of an atom? (What fundamental particle differentiates Carbon from, say Hydrogen)
a) number of electrons in the outermost energy level
b) total number of energy shells
c) arrangement of neutrons in the atomic nucleus
d) number of protons in the atomic nucleus
e) the total number of protons and neutrons
9. Water has a partial negative charge on its oxygen atom and partial positive charges on it hydrogens.
Because of this separation of charge in space, the molecule referred to being _____________.
10. Due to water’s strong intermolecular force, water molecules resist being separated from each other which is called ____________________. It leads to surface tension and a tree’s ability to draw water from its root to its leaves.
14. Name two monosaccarhides and two disaccharides : ____________, ______________ (mono)
____________, ______________ (di)
16. Trigylcerides are made up of one __________ molecule attached to three ___________ __________.
17. The group of biomolecules that is largely made up of polar molecules are the ____________ and the group that is largely non-polar are the ___________.
20. List the three parts of a nucleotide.
1)
2)
3)
Explanation / Answer
1. In hierarchy of life chart in our text (atoms to biosphere), as you go higher in the chart the level of organization and complexity increases.
4. Today organisms are classified largely according to their: d) DNA
a) look
b) smell
c) behavior
d) DNA
5. A(n) emergent property is a characteristic of a system that does not appear in any of its component parts.
7. What determines the identity of an atom? (What fundamental particle differentiates Carbon from, say Hydrogen). d). Number of protons in nucleus
a) number of electrons in the outermost energy level
b) total number of energy shells
c) arrangement of neutrons in the atomic nucleus
d) number of protons in the atomic nucleus
e) the total number of protons and neutrons
9. Water has a partial negative charge on its oxygen atom and partial positive charges on it hydrogens.
Because of this separation of charge in space, the molecule referred to being polar.
10. Due to water’s strong intermolecular force, water molecules resist being separated from each other which is called cohesion. It leads to surface tension and a tree’s ability to draw water from its root to its leaves.
14. Name two monosaccarhides and two disaccharides :
Monosaccharides- Glucose, fructose, ribose, etc.
Disaccharides- Sucrose, maltose
16. Trigylcerides are made up of one glycerol molecule attached to three fatty acids.
17. The group of biomolecules that is largely made up of polar molecules are the carbohydrates and the group that is largely non-polar are the lipids.
20. List the three parts of a nucleotide.
1) pentose (ribose in RNA, deoxyribose in DNA) sugar
2) nitrogenous base
3) Phosphate
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