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neonofarm [45]
3 years ago
9

Please answer all. Worth 50 points. Will mark you Brainliest if you answer all (as well as you can), for an extra 25 points!

Biology
1 answer:
Kay [80]3 years ago
3 0

Answer:

  1.     d) the number of protons in an atom of the element
  2.     a) They emit radiation as they decay
  3.     a) loses electrons
  4.     c) polar
  5.     b) it lowers the pH
  6.     a) It results in a new substance that is not the same substance
  7.     c) atomic number
  8.     d) acid: proton; base: electron pair
  9.     b) an atom with a single electron in its outermost shell

Hope this helps!!

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When plants make flowers, gene A is expressedin whorls 1 and 2, gene B is expressed in whorls 2 and 3 and gene C in whorls 3 and
Sati [7]

Answer:

The correct answer would be option D) no gametes.

Explanation:

The ABC model of the flower was formulated to describe the collection of genetic procedures that determines floral organs in several plants. These species consist of four whorls which are sepals, petals, stamens, and carpels. These whorls are expressed by the expression of a number of genes present in each whorl or verticli.

Gene A is solely responsible for the sepals while the co-expression of A and B genes are responsible for the petals. The identity of the stamens is expressed by B and C and the carpels require C and D genes to be active.

The homozygousity for a normal mutation in gene C will lead to inactive or lack stamens and carpels, which are male and female reproductive organs. These are an important structure for forming gametes.

Thus, the correct answer would be option D) no gametes.

3 0
2 years ago
Which of these choices is a direct cost of using coal?
yawa3891 [41]

Answer:

  • C. Coal-miner salaries

<u>OAmalOHopeO</u>

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DNA double helix. Hydrogen bonds break and helix opens. Each strand of DNA acts as a template for synthesis of a new, complement
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The process described above is known as DNA replication.

Hope this helps you! Have an amazing day!

5 0
2 years ago
Galactosemia is a metabolic disorder characterized by the inability to metabolize the sugar galactose. People with galactosemia
Umnica [9.8K]

Answer:

Genetic mapping for unequivocal identification of the potentially causative mutation  

Explanation:

Galactosemia is a genetic disorder caused by mutations in the Galactose-1-phosphate uridylyltransferase (GALT) gene, which encodes an enzyme involved in the metabolism of galactose. Gene mapping is a technique widely used in genetics to identify the position of one locus a chromosome by using molecular markers to estimate genetic distances. Genetic mapping provides useful evidence in order to identify when a disease that is transmitted from parent to offspring can be associated with one or more genes and then determine which gene/s is/are responsible for this condition.

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