Answer:
oxygen and glucose are the reactants, and ATP, water, and Co2 are the products.
Explanation:
Chromatin is a complex macromolecule which consists of DNA, RNA and protein.
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It is 2 actually because based on the cells present and the ECM structure, we differ two types of connective tissues
Answer:
The correct answer is D) the vacuoles can "come and go" across the plasma membrane.
Explanation:
The endosymbiotic theory exposes that mitochondria and chloroplasts were "swallowed" several years ago by a prokaryotic cell, that then became eukaryotic. These two organelles were originally two living and independent organisms, that's why the have their own DNA and also divide splitting. Anyway, the endosymbiotic theory does not explain anything about vacuoles and also, the sentence is not true. No organelle can come and go across the membrane, it's impossible for an organelle to break such barrier.
More than 99 percent of all species, amounting to over five billion species, that ever lived on Earth are estimated to be extinct. Estimates on the number of Earth's current species range from 10 million to 14 million, of which about 1.2 million have been documented and over 86 percent have not yet been described.
