Most enzymes do in fact work on a single substrate in most cases, this is because of the enzyme - substrate specificity. Certain reactant molecules acting as substrates can only fit in the "lock" of particular enzymes and undergo a conformational change and result in Unique products to be released after the reaction has occurred.
Answer:
by having students draw germ cells and gemetes containing chromosomes with labelled alleles , instructors can assess student understanding of the structure of chromosomes .
Answer:
Blue light
Adding 10-20% blue light allowed plants to grow much healthier, with a compact appearance. There is also far-red light which is has wavelengths that are lower than normal red light–similar to near-infrared wavelengths. Far-red light helps the plants produce greater yields.
Answer: C) Centromeres
Explanation: Centromeres are involved in crossing over, none of the other ones are.