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makvit [3.9K]
2 years ago
12

Define dark reaction ?​

Biology
1 answer:
Viktor [21]2 years ago
4 0

Answer:

: any of a series of chemical reactions in photosynthesis not requiring the presence of light and involving the reduction of carbon dioxide to form carbohydrate especially : calvin cycle.

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<span>Nuc is short for nucleus</span>
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TENDON IS THE TISSUE
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Geckos and some other animals can climb smooth surfaces. Which of these explanations of this observation do you think is most re
miss Akunina [59]

The gecko's feet contain molecules that are attracted to the molecules on the surface.

Geckos are lizards which belongs to reptile group. They are found in warm climatic regions of the world. Geckos and some other animals can climb smooth surfaces because of presence of Van der waal forces of attraction between the molecules of gecko's feet with molecules of the surface. The force of attraction is generated due to fluctuations or differences in charge present in molecules of feet and that of surface. The charge fluctuations generally comes into sync and generate attractive force.

<h3>What are the features of Geckos ?</h3>

Most geckos are small, soft-skinned reptiles that are often nocturnal in behaviour. A small, robust body, a big head, and often well-developed limbs are other features they have. Each limb's tips are frequently fitted with digits that have adhesive pads.

  • The gecko possesses a variety of adaptive traits that help it avoid or confound predators. If a predator catches the gecko by the tail, the tail can be cut. One of the most well-known characteristics of the species is this. Some geckos may also alter their colour to better fit their surroundings.

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8 0
1 year ago
What is a covalent bond
mamaluj [8]

Answer:

hope it helps...

Explanation:

A covalent bond, also called a molecular bond, is a chemical bond that involves the sharing of electron pairs between atoms. These electron pairs are known as shared pairs or bonding pairs, and the stable balance of attractive and repulsive forces between atoms, when they share electrons, is known as covalent bonding.

4 0
3 years ago
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Phenylketonuria (PKU) is a disease in humans where the function of the enzyme phenylalanine hydroxylase is impaired by mutation
Murljashka [212]

Pleiotropy refers to the phenomenon of a single gene affecting multiple traits. Phenylketonuria is an example of Pleiotropy.

<h3>What is Pleiotropy?</h3>

The production of diverse effects, especially the production by a single gene of several distinct and seemingly unrelated phenotypic effects known as pleiotropy.

Phenylketonuria, generally known as PKU, is a rare hereditary condition that results in an accumulation of the amino acid phenylalanine in the body. The phenylalanine hydroxylase (PAH) gene is altered in PKU. The enzyme required to degrade phenylalanine is produced in part because of this gene. PKU can be seen to behave as a 'complex' trait.

Only 11.1 percent of MHP patients were homozygous, compared to 58.4 percent of individuals with classic PKU. Individuals with mild PKU had a compound heterozygous rate of 72.5% compared to only 35.1% in patients with classic PKU.

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4 0
2 years ago
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