BIOLOGY HIGH SCHOOL

Which of the following accurately describes the life cycle of most gymnosperms? a. Germinated seeds are haploid.
b. Seed cones contain ovules.
c. A pollen tube is used to prevent the fertilization process.
d. Pollen grains undergo meiosis to form egg cells.

Answers

Answer 1
Answer: a. Germinated seeds are haploid.

A gymnosperm is a woody tree like a fir tree. It does not bear flowers or fruit. Its seeds are naked, as they are not covered by a fruit wall and are arranged in a cone-like structure. 
Answer 2
Answer:

a. Germinated seeds are haploid.

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The accompanying cartoon illustrates possible interaction between humans and mammoths. during which geologic timespan could this "game" have occurred?
I need help because i dont really know how to do this

Which statement best explains why water is known as the universal solvent?

Answers

It is known as a universal solvent because of the vast number of compounds that dissolve in water completely. This however goes for destilated water which has been cleansed from all waste and the water has been purified to be pure H2O. This means there's no metals or trace compounds inside.

Answer:

B is the answer

Explanation:

Which of the following is a true statement about codons?A. 

A codon is a sequence of four nitrogenous bases.

 B. 

A codon is a sequence of three amino acids.

 C. 

In translation, an mRNA codon is recognized by its complementary amino acid.

 D. 

In translation, an mRNA codon is recognized by its complementary tRNA.

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Answers

The statement which has been considered as true statement about codons is in translation, an mRNA codon is recognized by its complementary tRNA. Thus, option D is correct.

The anticodon of the tRNA hydrogen has been binds to the codon of the mRNA by the complementary base pairing.  If the Codon  of the mRNA is - 5' AGCTCA-3'. The anticodon of the tRNA would be - 3' GATCTG-5'

The events that has been occur during the eukaryotic translation elongation are codons in the mRNA are recognized by rRNAs, and tRNAs add the amino acid to the polypeptide chain.

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Answer:

D in translation, an mRNA codon is recognized by its complementary tRNA

Complete the sentence with the correct information. One of the big advantages to a 401(k) plan is that ______.a. 401(k) plans are rare enough that they are very valuable
b. the plan automatically increases in value by 500%
c. you don’t have to pay into a 401(k) with your own money
d. the amount you contribute reduces your taxable income

Answers

d. the amount you contribute reduces your taxable income

A 401(k) is a retirement savings plan sponsored by an employer. It lets workers save and invest a piece of their paycheck before taxes are taken out. Taxes aren't paid until the money is withdrawn from the account.

One of the big advantages to a 401(k) plan is that the amount you contribute reduces your taxable income. The correct answer is (d).

A plan is a detailed proposal for achieving a specific goal or objective. It typically involves outlining a series of steps or actions that need to be taken in order to achieve the desired outcome.

One of the big advantages to a 401(k) plan is that the amount you contribute reduces your taxable income.

  • This means that the money you put into your 401(k) is deducted from your taxable income, which can lower the amount of income tax you owe.
  • Additionally, many employers offer matching contributions to employees' 401(k) plans, which can help to grow your retirement savings even faster.
  • In general, 401(k) plans are a popular way for people to save for retirement because they offer a tax-advantaged way to invest in the stock market or other investment vehicles.

Therefore, the correct answer is option d. the amount you contribute reduces your taxable income.

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Haploid/gametes/sex cell number in humans is ___________

Answers

Answer:

23

Explanation:

Human somatic cells have 46 chromosomes, including 22 homologous pairs and one pair of nonhomologous sex chromosomes. This is the 2n, or diploid, condition. Human gametes have 23 chromosomes, one each of 23 unique chromosomes. This is the n, or haploid, condition.

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A coelom is _____.an arrangement of organs
a cavity filled with fluid
layers of tissue
an inner lining of tissue

Answers

Option B, a cavity filled with fluid, is the right answer.

A coelom is a fluid-filled mass decay in bilaterally symmetrical mammals that is absolutely filled with derivatives of mesoderm. In simple terms, it is the main body cavity in many animals and is found inside the body to encompass and hold the digestive expanse and different organs. In matured creatures, it is marked with mesothelium and in other mammals like molluscs endures undifferentiated.

1.the body cavity of higher metazoans, between the body wall and intestine, lined with a mesodermal epithelium. so it should be d

What term is used to describe the average kinetic energy of the molecules in a shape?

Answers

Temperature isthe term used to describe the average kinetic energy of the molecules in a shape.Temperature is used because it is difficult to measure the speed of anindividual gas molecule. Kinetic energy is proportional to the speed of themolecules. As the speed of the colliding molecules increases, the total kineticenergy of all the gas molecules also increases. The gas molecules gain energyand move faster and the temperature also goes up.
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