Explain why law is accepted as fact but a theory is not

2 answers:

8 0

A theory is a well tested, widely accepted explanation that combines several observations and hypothesis. A law is a statement about how something behaves or functions in the natural world. A law cannot be changed or replicated, and it is a factual statement. Theories are based on repeated experiments and experimental methods change. Sometimes these new methods provide new information and theories are changed or replaced.

Lynna [10]3 years ago

3 0

A law is 100% proven while a theory is not. A law is never wrong while a theory, although widely accepted or has been tested hundreds to thousands of times, may be found incomplete or eventually wrong.

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Please help asap i will mark branlist

shtirl [24]

Answer:

Number 1. the flower; it has a reproductive function. They are the reproductive organs of the plant. They mediate sperm contained within pollen, to the ovules contained in the ovary.

Number 2. the leaf; their primary function is photosynthesis -manufacturing food for plants

Number 3. the stem; it's function is to provide support for leaves and flowers, they conduct water and nutrients from the roots and food in the form of glucose from the leaves to other plant parts.

Number 4. the roots; their function is to absorb water and minerals from the soil, anchor the plant in the soil and to store extra food for future use.

Explanation:

Hope this was helpful.

4 0

2 years ago

Nucleic acid segments and are nucleic acids that can store biological information based on the sequence of their nucleotide mono

aleksklad [387]

Full Question (figure attached):

Nucleic acid segments and ar

DNA and RNA are nucleic acids that can store biological information based on the sequence of their nucleotide monomers. Figure 1 shows a short segment of each of the two types of nucleic acids. Which of the following best describes a structural difference between DNA and RNA?

A. DNA contains four types of nitrogenous bases, whereas RNA contains only two types of nitrogenous bases

B. The backbone of DNA contains deoxyibose, whereas the backbon e of RNA contains ribose.

C. A DNA molecule is composed of two parallel strands with the same 5'-3' directionality, whereas an RNA molecule is composed of only one strand

D. Phosphate groups provide rigidity to DNA, but RNA is flexible and contains no phosphate groups

Answer:

B. The backbone of DNA contains deoxyibose, whereas the backbon e of RNA contains ribose.

Explanation:

A. DNA contains four types of nitrogenous bases, whereas RNA contains only two types of nitrogenous bases - this is false. Both contain four types of nitrogenous bases. DNA contains cytosine, guanine, adenosine and thymine, whereas RNA contains cytosine, guanine, adenine, and uracil.

B. The backbone of DNA contains deoxyibose, whereas the backbon e of RNA contains ribose. - this is true, each nucleotide in DNA contains a deoxyribose sugar, whereas each nucleotide in RNA contains a ribose sugar

C. A DNA molecule is composed of two parallel strands with the same 5'-3' directionality, whereas an RNA molecule is composed of only one strand - this is false. DNA is composed of 2 strands, and RNA is composed of one, but the DNA strands run in an anti-parallel configuration (one runs 5'-3', the other runs 3'-5')

D. Phosphate groups provide rigidity to DNA, but RNA is flexible and contains no phosphate groups - this is false, both DNA and RNA nucleotides contain phosphate groups

6 0

2 years ago

In phenylketonuria (pku), which amino acid becomes conditionally essential?

avanturin [10]

The answer is Tyrosine. Conditionally essential amino acids is when non essentials amino acid becomes essential. In Phenylketonuria Tyrosine becomes a conditionally essential amino acid that must be provided in the diet. Phenylalanine accumulates and fails to convert to tyrosine during this condition.

4 0

2 years ago

Which of the following terms describes the primary core of a comet?

Crazy boy [7]

This primary core is the nucleus.

Hope this helped!!
~xox Melis

5 0

3 years ago

Correctly identify steps in the water cycle.

nydimaria [60]

Answer:

<em><u>Evaporation, condensation, precipitation.</u></em>