Beta-blockers decrease heart rate and blood pressure. Answer:D
It is a drug that might be used specifically to reduce heart rate in cardiac patients. The drug is also referred to as beta-adrenoceptor blocking agents and are prescription-only medicines (POMS).
Answer:
Similarities between Mitochondria and Chloroplasts-
Both mitochondria and chloroplast consists of DNA , have two membranes, have fluids inside them and convert energy.
Difference between Mitochondria and Chloroplasts-
They have different number of compartments, have different functions, and are involved in different energy processes.
Explanation:
Difference in Mitochondria and Chloroplasts-
a) Chloroplast is found in plants and unicellular organism and Mitochondria is found all cells.
b) Chloroplast converts solar energy into chemical energy while Mitochondria converts one form of chemical energy into other form of chemical energy
c) Chloroplast is involved in photosynthesis while mitochondria is involved in cellular respiration.
d) Chloroplast has three parts i) Thylakoid ii) stroma and iii) granum while mitochondria has three parts i) Critsa ii) Matrix
Similarities between Mitochondria and Chloroplasts-
Both mitochondria and chloroplast consists of DNA , have two membranes, have fluids inside them and convert energy.
The period during which the presence of stromatolites decline is the Proterzoic period. Stromatolites are widely distributed sedimentary structures consisting of laminated carbonate or silicate rocks, produced over geologic time by the trapping, binding, or the precipitating of sediment by groups of microorganisms, primarily cyanobacteria.
To be able to compare the results to a sample without any of the independent variable added.
