Human Biology Exam 1 questions with
correct answers.
biosphere ANS - All life forms on Earth
homeostasis ANS - The maintenance of stable internal conditions
scientific method ANS - Observation
Hypothesis
Experiment
Conclusion
(and maybe theory)
properties of living things ANS - 1. order
2. reproduce
3. growth and development
4. energy processing
5. regulation (homeostasis)
6. response to environment
7. evolutionary adaptation
matter ANS - Anything that has mass and takes up space
hydrogen bonds ANS - weak attraction between a hydrogen atom and another atom
organic molecules in living organisms ANS - Carbohydrates, Lipids, Proteins, Nucleic acids
carbohydrates ANS - Main source of energy
, sugar, starch
monosaccharides ANS - simple sugars; one carbon ring
disaccharides ANS - simple sugars; two carbon rings
complex carbohydrates ANS - Polysaccharides, Glycogen, Starch
lipid ANS - A fatty substance that does not dissolve in water, fats and oils, phospholipids, steroids
long term energy
Simple Lipids ANS - fats and oils
oils ANS - lipids that are liquid at room temperature
steroids (lipids) ANS - lipids that are made of four rings of carbon
cholesterol, hormones
proteins ANS - nutrients the body uses to build and maintain its cells and tissues
amino acids ANS - subunits of proteins
-have an amino and carboxyl group
-bonded to the central atom
-amino acid monomers linked together form a peptide bond via dehydration reaction
the most important role as proteins? ANS - act as an enzyme (catalyst)
RNA ANS - A single-stranded nucleic acid that passes along genetic messages
GCAU
correct answers.
biosphere ANS - All life forms on Earth
homeostasis ANS - The maintenance of stable internal conditions
scientific method ANS - Observation
Hypothesis
Experiment
Conclusion
(and maybe theory)
properties of living things ANS - 1. order
2. reproduce
3. growth and development
4. energy processing
5. regulation (homeostasis)
6. response to environment
7. evolutionary adaptation
matter ANS - Anything that has mass and takes up space
hydrogen bonds ANS - weak attraction between a hydrogen atom and another atom
organic molecules in living organisms ANS - Carbohydrates, Lipids, Proteins, Nucleic acids
carbohydrates ANS - Main source of energy
, sugar, starch
monosaccharides ANS - simple sugars; one carbon ring
disaccharides ANS - simple sugars; two carbon rings
complex carbohydrates ANS - Polysaccharides, Glycogen, Starch
lipid ANS - A fatty substance that does not dissolve in water, fats and oils, phospholipids, steroids
long term energy
Simple Lipids ANS - fats and oils
oils ANS - lipids that are liquid at room temperature
steroids (lipids) ANS - lipids that are made of four rings of carbon
cholesterol, hormones
proteins ANS - nutrients the body uses to build and maintain its cells and tissues
amino acids ANS - subunits of proteins
-have an amino and carboxyl group
-bonded to the central atom
-amino acid monomers linked together form a peptide bond via dehydration reaction
the most important role as proteins? ANS - act as an enzyme (catalyst)
RNA ANS - A single-stranded nucleic acid that passes along genetic messages
GCAU
