Answer: The sun hits different points more directly than others
Explanation:
Answer:
The correct option is circular DNA molecules and small ribosomes
Explanation:
Prokaryotes can be described as organisms which are unicellular and lack membrane-bound organelles. They lack nucleus but usually have circular, double-stranded DNA present in them. Bacteria, which are prokaryotes, might even have extrachromosomal rings which are known as plasmids.
The ribosomes of the prokaryotes are smaller as compared to eukaryotes. Their smaller unit is 30S and larger unit is 50S. The smaller unit of eukaryotes are 40S and the larger units are 60S.
Answer:
A
Explanation:
A is the diagram of the mitochondria which is the power House of the cell
Answer: Here is the complete sentence: An advantage of a ................................ is that the complete system HAVE SPECIALIZED REGIONS THAT PERFORM SPECIALIZED FUNCTIONS.
Explanation:
The digestive system is a set of organs that work together to break down food molecules into the forms that the body cells can absorb and use. The gastrovascular cavity is an organ of digestion and circulation in some primitive living organisms. Gastrovascular cavity is an unspeciallized organ with two openings, one of the opening is the mouth while the other one is the anus, through which wastes pass out of the body.
The major advantage of complete digestive system over gastrovascular cavity is that the digestive system comprise of specialized organs which perform specialized functions. For instance, the stomach is a specialized organ that is responsible for churning of food during digestion, it also perform other specialized functions.
Answer: b. Bacillus megaterium
d. Staphylococcus epidermidis
Explanation:
a. Pseudomonas putida is a Gram-negative, rod-shaped bacteria.
b. Bacillus megaterium is a rod-like, Gram-positive bacteria.
c. Escherichia coli is a Gram negative, rod shaped bacteria.
d. Staphylococcus epidermidis are gram positive rods, arranged in grape-like clusters.