Answer:
Amoeba: Cell surface membrane present,cell wall absent,cilia present,flagella absent,mitochondria present,pseudopod present
paramecium: cell membrane ✅ cell wall ✖ cilia ✅flagella ✅ mitochondria ✅ pseudopod ✖
alga: cell membrane ✅cell wall ✅ cilia ✖ flagella ✅ mitochondria ✅ pseudopod✖
Answer:
B. Unbalanced force in forward direction.
Answer:
Explanation:
The first piece of evidence that needed to be found to support the endosymbiotic hypothesis was whether or not mitochondria and chloroplasts have their own DNA and if this DNA is similar to bacterial DNA. This was later proven to be true for DNA, RNA, ribosomes, chlorophyll (for chloroplasts), and protein synthesis.
Answer:
A substance that speeds up a chemical reaction—without being a reactant—is called a catalyst. The catalysts for biochemical reactions that happen in living organisms are called enzymes. Enzymes are usually proteins, though some ribonucleic acid (RNA) molecules act as enzymes too.
Explanation:
