Answer: alternative D.
Explanation: For the DNA to have the double strand structure, it is necessary to copy the sequence of the existing DNA strand in a complementary sequence of nucleotides, forming hydrogen bonds between them. The mRNA also uses this strategy when reading the DNA strand during the transcription, in order for the translation to begin.
Answer:
Prophase
Explanation:
the condensing and coiling of DNA into chromosomes. The step that takes up 60% of the time that the cell is undergoing mitosis.
Your body can over work yourself and than give out
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.
