Question

life processed in living organisms part 1 nots​

Answer 1

Answer:

a. After complete oxidation of a glucose molecules, 38  number of ATP molecules are formed.

b. At the end of glycolysis pyruvic acid, ATP, NADH2 and water molecules are obtained.

c. Genetic recombination occurs in pachytene phase of prophase of meiosis-I.

d. All chromosomes are arranged parallel to equatorial plane of cell in metaphase phase of mitosis.

e. For formation of plasma membrane, phospholipid molecules are necessary.

f. Our muscle cells perform anerobic type of respiration during exercise.

Answer 2

Answer:

• Nutrition: The process by which an organism takes food and utilizes it, is called nutrition.
• Need for Nutrition: Organisms need the energy to perform various activities. The energy is supplied by the nutrients. Organisms need various raw materials for growth and repair. These raw materials are provided by nutrients.
• Nutrients: Materials which provide nutrition to organisms are called nutrients. Carbohydrates, proteins and fats are the main nutrients and are called macronutrients. Minerals and vitamins are required in small amounts and hence are called micronutrients.
• Modes of Nutrition

1. Autotrophic Nutrition.

2. Heterotrophic Nutrition.

I hope it will help you.