BIOLOGY
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
Energy production and storage
Protein synthesis and regulation
Storage of genetic information
Lipid metabolism and transport
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Explanation
The most appropriate function of chromosomes is the Storage of genetic information.
Chromosomes are structures within cells that contain DNA, which carries the genetic information needed for an organism's development, growth, and functioning.
This genetic information is organized into genes, which are responsible for producing specific proteins.
Carbohydrates
Lipids
Proteins
Nucleic acids
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Explanation
Enzymes belong to the class of proteins .
Enzymes are biological catalysts that speed up chemical reactions in living organisms,
And proteins are the primary type of biomolecule that fulfills this function.
Hormones
Both C and D
Histones
Nucleosome
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Explanation
The structures responsible for arranging DNA into chromosomes in a eukaryotic cell are Histones and the Nucleosome.
Histones:
These are a group of small, basic proteins. DNA wraps around an octamer (group of eight) of histone proteins to form the basic unit of chromatin structure Nucleosome:
This is the fundamental, repeating structural unit of a chromosome. It consists of a segment of DNA coile d around the core of histone proteins Nucleosomes are further coiled and compacted to ultimately form the condensed structure of a chromosome
Keratin
Collagen
Hemoglobin
Histone
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Explanation
Hemoglobin is a globular protein, which means it has a compact, spherical shape and is generally water-soluble.
It functions primarily in oxygen transport in the blood.
The filtration of blood to remove metabolic waste
The regulation of solute and water movement between an organism and its environment
The creation of an osmotic gradient in the kidney medulla
The secretion of hormones that control blood plasma
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Explanation
The process of osmoregulation refers to The regulation of solute and wate r movement between an organism and its environment.
Osmoregulation is the active control of the body's fluid balance and solute concentrations, ensuring that the internal environment remains stable despite changes in the external environment.
پینگوئن کا تعلق کس نسل سے ہے؟
Reptile
Animal
Bird
Mammal
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Explanation
Penguins are flightless birds characterized by their flippers , which help them swim .
They belong to the class Aves and are native to the Southern Hemisphere .
اینٹی کینسر وٹامن _____ ہے؟
Vitamin D
Vitamin A
Vitamin C
Vitamin A
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Explanation
Vitamin D has been shown to have potential anti-cancer properties.
It helping to regulate cell growth and reduce the risk of certain cancers.
Studies link higher vitamin D levels with lower cancer incidence.
پٹھوں اور اعصابی خرابی کس وٹامن کی کمی کی وجہ سے ہوتی ہے؟
Vitamin E
Vitamin A
Vitamin C
Vitamin D
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Explanation
A deficiency of Vitamin E can lead to muscular and nervous disorders.
It plays a crucial role in maintaining nerve function and muscle health .
Its lack may result in muscle weakness and neurological problems.
انسانی جسم میں دودھ کی پیداوار کا ذمہ دار کون سا ہارمون ہے؟
Testosterone
Oxytocin
Prolactin
Thyroxin
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Explanation
Prolactin is responsible for the production of milk in the human body.
It stimulates the mammary glands to produce milk, especially after childbirth.
Prolactin works in conjunction with oxytocin , which helps release the milk.
پرندوں کے ذریعے پولینیشن کو کیا کہتے ہیں؟
Anemophily
Entomophly
Ornithophily
Autogamy
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Explanation
Ornithophily is the term used for pollination by birds.
This type of pollination typically involves brightly colored flowers with a lot of nectar to attract bird species.