Answer:
DNA replication is described as semi-conservative.
Explanation:
DNA replication is described as semi-conservative because each double helix formed comprises one strand from the helix from which it was copied and a new strand. That is, the replication of one helix results into two new copies of which each contains one of the original double stranded helix from which it was synthesized.
Answer:
Proteins are a class of macromolecules that perform a diverse range of functions for the cell. They help in metabolism by providing structural support and by acting as enzymes, carriers, or hormones. The building blocks of proteins (monomers) are amino acids
Explanation:
Answer:
The requirement of different nutrients, divide them into 2 categories.
Explanation:
On the basis of requirement of nutrients in our food, the chemicals are divided into 2 types - macronutrients, and macronutrients.
Nutrients are the molecules present in the food nourishes the living organisms. The macronutrients are needed in large quantities and they provide energy to the organism.
There are 3 major macronutrients present in every kind of food - proteins, fats, and carbohydrates.
On the other hand, micronutrients are required very less amount to the animals. But they are important for nourishment of the body, but their quantity is very less. Example of micronutrients are vitamins, minerals, manganese, iron, potassium, etc.
Therefore, it is told one should take balance diet to get all the nutrients.
The term "submandibular lymphadenopathy" describes swollen lymph nodes under the mandible (lower jaw). Infection is typically indicated by hot, swollen, sensitive, and pliable lymph nodes that are also accompanied by other symptoms.
Additionally, infections of the upper respiratory tract, tonsils, sinuses, or from mononucleosis and cut-scratch disease can cause submandibular lymphadenopathy.
<h3>What is lymph node ?</h3>
A small bean-shaped element of the immunological system. White blood cells called lymphocytes, which are found in the lymph nodes of the body, help the body fight off disease and infection. They remove materials that the lymphatic fluid does not filter. There are thousands of lymph nodes all across the body.
- Immune cells are produced in lymph nodes to help in the fight against infection. They also filter the lymph fluid to remove contaminants like pathogens and cancerous cells. They can swell as a result of swelling, an abscess, cancer, and—most commonly—inflammation.
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Answer:
The prey with unfavorable characteristics will survive and pass traits to future generations