A basket of vegetables contains carrot, potato, radish and tomato. Which of them represent the correct homologous structures?a)Carrot and potatob)Carrot and tomatoc)Radish and carrotd)Radish and potatoCorrect answer is option 'C'. Can you explain this answer?

Question

Answer

Homologous structures are those that are related by common ancestry. The common ancestry is reflected in a common structural plan. These structures might be adapted to suit different functional roles. Of the given options, potato is a storage stem, tomato is a fruit (in fact, it is a berry), radish and carrots are roots. Since both radish and carrots are roots, they have similar structural plans and are homologous.

So, the correct option is C

Answer

Carrot and radish are homologous structures because they are modifications of root for food storage. there for option C is correct

Answer

Radish and Carrot..

Answer

Proteins play a crucial role in controlling a variety of characteristics or traits in organisms. They achieve this by influencing the efficiency of processes like hormone production. Let's delve into the details to understand how proteins accomplish this.

Proteins and Hormone Production:
Hormones are chemical messengers that regulate various physiological processes in organisms. Proteins are involved in the production, secretion, and transportation of hormones, which in turn control traits or characteristics. Here's how proteins influence hormone production:

1. Enzyme Activation:
- Proteins act as enzymes, which are biological catalysts that speed up chemical reactions in the body.
- Enzymes are involved in the synthesis and conversion of hormones.
- For example, proteins called kinases activate enzymes involved in the production of certain hormones like insulin.

2. Hormone Transport:
- Proteins also play a crucial role in transporting hormones throughout the body.
- Hormones are often bound to carrier proteins, which facilitate their transportation.
- These carrier proteins are primarily made up of proteins like albumin and globulin.

3. Receptor Interaction:
- Hormones exert their effects by binding to specific receptors on target cells.
- Receptors are often proteins located on the cell surface or within the cell.
- When a hormone binds to its specific receptor, it triggers a series of cellular responses that ultimately control traits or characteristics.

4. Feedback Mechanisms:
- Proteins are involved in feedback mechanisms that regulate hormone production.
- For example, the hypothalamus and pituitary gland in the brain produce hormones that regulate the production of hormones by other endocrine glands.
- These regulatory hormones are proteins that act on target glands, either stimulating or inhibiting hormone production.

Overall, proteins control traits or characteristics by influencing hormone production and subsequent cellular responses. They act as enzymes to activate hormone synthesis, transport hormones throughout the body, facilitate hormone-receptor interactions, and regulate hormone production through feedback mechanisms. This intricate interplay between proteins and hormones ensures the proper functioning and regulation of various physiological processes in organisms.

Similar Class 10 Doubts

A basket of vegetables contain carrot, potato,sweet potato,radish ,tomato and brinjal which of them represents homologous structure?

Your mother bought carrot, potato, radish and brinjal. Which of them represent the correct homologus structures ?

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