53: 45
the graphic shows the citric acid cycle.
pyruvic acid
nadccc
nadh + h
co,
nadh
fadh2
fad
acetyl-coa
co
coa
coa
citric acid
4-carbon
compound
ccco

adp
co
atp
nadh
nad* coz
5-carbon
compound

nad
nadh
durinn the citric acid curls what hannens to acetilna?
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1. environmental factors, such as ph and temperature, can affect the function of an enzyme. a. true b. false 2. which of the following is an organic molecules (ex. vitamins) that an enzyme? a. coenzyme b. product c. active site d. substrate 3. how do enzymes effect the speed of a chemical reaction? a. they speed it up b. they slow it down c. they have no effect on the speed of a reaction 4. during a chemical reaction, an enzyme is used up so that it can only be used one time. a. true b. false 5. which of the following results from a chemical reaction that is catalyzed by an enzymes? a. active site b. product c. substrate d. coenzyme

The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that

How does secondary succession differ from primary succession?