A unicellular organism must perform all functions necessary for life. A multicellular organism has specialized cells, tissues, organs, and organ systems that perform specific functions.
Answer:
Gas
Explanation:
Liquids have a fixed volume but no fixed shape. Gases have no fixed volume and no fixed shape.
Answer:
Digestion, excretion and transportation of substances.
Explanation:
Chemical reactions such as breakdown of food, cleaning of blood and absorption of nutrients and digestion are the activities that our body done with the use of energy. Digestion of food needs energy for the breakdown of food with the help of several enzymes. Transportation of waste materials and other substances also needs energy. Our cells absorb nutrients with the help of energy molecules through active transport.
Answer:
The correct answer is -
1. Adenine - 10%
2. A-T and C-G always in DNA.
Explanation:
1. The total amount of all nitrogenous bases are equally 100% and which includes an equal amount of C and G and an equal amount of A and T in the DNA molecule.
So, Cytosine = 40%, Guanine= 40%
total = 80%
therefore, the A and thymine would be - 100 - 80 = 20
A+T = 20
A= 10, and, T = 10%
2. The complementary base pairing rule explains that DNA base pairs are Adenine always binds with thymine and cytosine bind with guanine only. Purine binds with pyrimidine always except - A-C or G- T.
Both will contribute to the effectiveness and efficiency of biotechnology.
Restriction enzymes will aid in differentiating the difference in gene sequence in humans. This will be critical in many aspect from recognizing and finding a cure for a disease to imprisoning a criminal or setting them free.
Polymerase chain reaction (PCR) will mostly add to the efficiency of biotechnology, by helping to amplify copies of DNA sequences.
