Proteoglycans in the extracellular matrix of animal tissues
a. are linked to microtubules through the plasma membrane.
b. chiefly provide tensile strength.
c. allow cartilage to resist compression.
d. are polysaccharides composed of glucose subunits.

Name the organs of humanelemintary canal.

During the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.

If an organ has six haploid chromosomes,how many chromosomes are present. 6 12