BIOLOGY HIGH SCHOOL

What s the name for the compound with the formula NaF 1. sodine floride
2. sodium flouride
3. sodium florine
4. fluorine sodide

Answers

Answer 1
Answer:

Answer:

2. sodium flouride is the correct answer.

Explanation:

The name for the compound with the formula NaF is sodium flouride.

sodium flouride is an excellent source of fluoride ion and it used fo many purposes.

  • Sodium fluoride is a colorless inorganic salt.
  • sodium fluoride is soluble in water.

uses of sodium fluoride

  • It is used to cure dental cavities.
  • It used in the metallurgy.
  • It is used as a cleaning agent and as an insecticide.
Answer 2
Answer: 2 Sodium fluoride is the answer

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A plant with the dominant trait, wrinkled seeds, is crossed with a plant that has non-wrinkled seeds. All of the offspring are all wrinkled-seeded. What is the likelihood that the gametes of the wrinkled-seeded parent plant contain one non-wrinkled allele?

Answers

The answer is 0 percent.

If we represent dominant trait (wrinkled seeds) with A and recessive trait (non-wrinkled seeds) with a, then genotypes are AA (dominant homozygous), Aa (heterozygous), and aa (recessive homozygous). The phenotype of wrinkled seed is determined by genotypes either Aa or AA. Since the cross of a plant with wrinkled seed with a plant with non-wrinkled sees gives only wrinkled-seeded offspring, the plant with wrinkled seeds must be dominant heterozygous.
Let's look at both examples.
If wrinked-seeded parent contains one non-wrinkled allele, it must be heterozygous (Aa):

Parents:       Aa      x      aa
Offspring:    Aa    Aa    aa   aa

So, the 50% of offspring has wrinkled seeds and 50% has non-wrinkled seeds. 

If the wrinkled-seeded parent does not contain any non-wrinkled allele:
Parents:       AA      x      aa
Offspring:    Aa    Aa    Aa   Aa

Thus, all of the offspring are heterozygous and all of them have wrinkled seeds.

Answer:

a)0%

Explanation:

The ______ is a colorless mass of soft, gelatin-like material that fills the eyeball behind the lens.

Answers

Vitreous Humor is the correct answer

The primary function(s) of hydrochloric acid (HCl) in the stomach is to ________. a) Aid in digestion of proteins b) Neutralize alkaline substances c) Stimulate insulin production d) Regulate blood pH

Answers