amylase breaks down starch sweet potatoes have a lot of starch
 
        
             
        
        
        
Answer:
similarity
Starch, cellulose,dextran and glycogen are all polymers of glucose
differences
                 monomer/glucose      glycosidic bond    branching
1.starch              α glucose          1-4 and 1-6               branch and unbranced
   amylose                                       1-4                          unbranched
   amylopectin                               1-4 and 1-6              branched
2. dextran          α glucose          1-6                           branched
3. cellulose        β glucose           1-4                          unbranched, linear        
4. glycogen       α glucose           1-4 and 1-6              branched (shorter 
                                                                                      branches than starch)
Enzyme: amlase acts on starch and cellulase acts on cellulose as they are specific for their substrates.
Explanation:
Starch: Consists of both branched amylopectin and unbranched amylose
Enzymes: Enzymes are specific as the gulcose molecule in starch is α and in cellulose is β which differ in their position of hydroxyl groups at anomeric carbon, their structures differ so they form different bonds. Active sites of enzymes can act only on specific bonds a sthey can fit to their specific substrates.
 
        
             
        
        
        
The planets closest to the star are rocky planets formed by elements with high melting points. Moreover, planets far away are gaseous planets and they are composed of elements with lower melting points.
<h3>Rocky planets and gaseous planets</h3>
The rocky planets consist of silicate rocks and/or metals, whereas gaseous planets are mainly composed of hydrogen and helium.
The rocky planets of the solar system include planets closest to the sun, i.e., Mercury, Venus, the Earth, and Mars.
The gaseous planets of the solar system include faraway planets, i.e., Jupiter, Saturn, Uranus, and Neptune.
Learn more about rocky planets here:
brainly.com/question/17428928
 
        
             
        
        
        
The best answer is D.
Hormones are chemical messengers  secreted mostly into blood and also extracellular fluid by specialized tissue of the endocrine system and affect the functioning of other tissues or cells.
Most hormones circulate in blood and come in contact with essentially all cells, but a particular hormone will only affect a limited number of cells, which are termed as target cells to that hormone. 
A target cell responds to a particular  hormone because it bears receptors for that hormone.
For example the red blood cells have receptors for the  hormone called insulin which is produced by the pancreas. The red cells are able to take in glucose  when their receptors bind to insulin.