Biology Regents Facts

Question	Answer
What are amino acids?	Individual units that bond together to form a protein (polypeptide)
What do enzymes do?	Break apart (digest) or put together (synthesize) the substrate into products. They cause chemical reactions within certain temp. ranges
T/F Each type of nutrient is digested by all types of enzymes	False, each type of nutrient is digested by only one kind of enzyme. protease- protien
Are bacteria Prokaryotic or Eukaryotic? What don't they have? Do they have a single loop of DNA?	Prokaryotic cells which lack a nucleus and other membrane bound organelles. Yes!
T/F The nucleus contains DNA in prokaryotic cells	False! The nucleus contains DNA in EUKARYOTIC cells
Where are chloroplasts found?	autotrophic cells (make their own food: Plants) that produce glucose (SUGAR) in the process of photosynthesis
What is the mitochondria's nickname?	"powerhouse"
What do mitochondrion do?	Makes energy (ATP) from glucose; this is called cellular respiration. Glucose comes from photosynthesis by plants and algae
What are Enzymes?	Protein molecules that help speed up chemical reactions
T/F The 3D shape of a molecule is important for its proper functioning	True
What are Monosaccharides?	The units that join to form a Polysaccharide (aka starch)

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	Created by tgould over 11 years ago