Answer:
Oxygen is formed along with glucose during photosynthesis, is the correct statement.
Explanation:
In photosynthesis, carbondioxode entered from the air through small opening called stomata and water is absorbed from the soil. When these two raw materials combine together in the presence of sunlight produces glucose and oxygen. Glucose is stored in the body parts of plants and oxygen is used for respiration and extra oxygen is released in the atmosphere.
Answer: 4 Guanines
Explanation: Following Chargaff's ratio that describes the ration of purines to pyrimidines as 1:1, if there are 23 purines, it follows that there should be 23 pyrimidines; 15 Thymines should therefore be hydrogen bonded to 15 Adenines by complementary base pairing.
We are then left with 8 nucleotides composed of guanines and cytosines in complementary base pairs. This means that half that number (4) should be guanines and the rest cytosines.
The role of the liver in waste removal is to filter urea out of the blood and into the bladder. Thus, option A is correct.
<h3>What is liver and its function?</h3>
The liver is a very important organ of human body and the weight of liver is 1.5 kg and width of liver is 15 cm. The colour of liver is reddish - brown.
The main functions of liver are it carries out the function of protein's metabolism and it excretes bile and it is also responsible for excreting cholesterol, hormones, bilirubin and drugs.
The liver also stores vitamins, glycogen, and minerals so it the center of storage also.
As liver is a very important organ so to maintain it's health a person have to maintain a healthy weight, take a balanced diet, regular exercise, avoiding toxins, and less use of alcohol leads to keep the liver safe and healthy.
Therefore, the role of the liver in waste removal is to filter urea out of the blood and into the bladder. Thus, option A is correct.
Learn more about liver here:
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<span>Every atom of the blank carbon has 6 protons
</span><span>element</span>
