The experiment that produces the most reliable results is the one in which the a. hypothesis is proved
b.first hypothesis was changed
c.results are repeatable
d.latest equipment was used

Answers

Answer 1
Answer: I think for the experiment to be reliable, it must be repeated certain amount of times, roughly as many as you can, it doesnt matter whether the hypothesis is right or wrong. If the experiment is repeatedly reliable, the hypothesis might be correct.

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in humans, a combination of XX chromosomes results in a female zygote and that of XY result in a male zygotes. From whom does the a male zygotes inherit an X chromosome
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NA is made of nucleotides which are composed of A. a phosphate group, a sugar group and a nitrogenous base. B. a sugar group, an amino acid group and a nitrogenous base. C. a phosphate group, a starch group and a nitrogenous base. D. a protein group, a sugar group and a nitrogenous base.
The diagram illustrates the process of creating genetically modified corn.What occurs at step 4 in the diagram? The foreign DNA is placed in a mechanical vector for cloning. The foreign DNA is placed in a biological vector for cloning. The foreign DNA is inserted into the host cell genome. The foreign DNA is isolated by restriction enzymes.
Diffusion of water across a membrane from areas of higher concentration to areas of lower concentration is called

A(n) ______ is a substance that cannot be broken down into other substances.

Answers

An element is a substance that cannot be broken into other substances further.An element is composed of one type of atoms all over. Like a molecule can be divided into atoms further. For example, Water is a molecule which is made up of Oxygen (O), Hydrogen (H). Here, Oxygen and Hydrogen are elements and cannot be further broken down into other substances.

Answer: It is Element.

Explanation:

Which energy sources can release carbon dioxide and carbon monoxide waste into the atmosphere?

Answers

Answer:

coal and petroleum

Explanation:

When these get burned, the release Carbon Dioxide and Carbon monoxide into the atmosphere (I took this test)

mostly power plants that burn fossil fules

There are some similarities between prokaryotic and eukaryotic cells. What structures is found in both prokaryotic and eukaryotic cells?

Answers

Answer:

DNA, ribosomes, plasma membrane and cytoplasm are the structures that are found in both.

Explanation:

Prokaryotes are the organisms that do not have a nucleus and other membrane-bound organelles and eukaryotes have a membrane-bound nucleus and another membrane-bound organelle.  

Apart from this there are some similarities between prokaryotic and eukaryotic cell like both have a highly selective cell membrane, they both have cytoplasm, both have DNA and ribosomes which is responsible for the expression of genes. Therefore DNA, ribosomes, plasma membrane, and cytoplasm are the structures that are common in both prokaryotes and eukaryotes.

Final answer:

Prokaryotic and eukaryotic cells, despite their differences, share four basic structures: the plasma membrane, cytoplasm, genetic material, and ribosomes.

Explanation:

The question you've asked pertains to the similarity between prokaryotic and eukaryotic cells. Despite their differences, all cells, whether they are prokaryotic or eukaryotic, share four basic structures. These include: the plasma membrane which acts as a barrier, cytoplasm which is a jelly-like substance inside the cell, genetic material (both DNA and RNA), and ribosomes where protein synthesis occurs. Prokaryotes and eukaryotes often come in different shapes, but these four structures always remain constant.


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Nitrogen is important to life because it is part of _____.DNA, amino acids, and proteins
plant photosynthesis
the air we breathe
lightning storms

Answers

DNA and amino acids hope this helps


A cell's digestive enzymes are enclosed in a membrane bound organelle. How can these molecules function of a plasma membrane

Answers

Answer:

A cell digestive enzymes are enclosed in a membrane bound organelles known as Lysosomes. Lysosome contains about 50 different types of enzymes which helping in breakdown of different types of biological molecules such as Protein, carbohydrates, nucleic acid and lipids.

Cells transporting the material into lysosome where digestive enzymes are present. Now the molecules are digested by enzymes after that these digested molecules are going back to the cytosol for use by the cell.

Enzymes which are present in lysosome require acidic environment to function in proper manner.

The membrane bound organelle you refer to is the lysosome. The lysosome fuses with a vacuole where it digest the contents.

The tough, opaque tissue that acts as the eye’s protective outer layer is called the __________.

Answers

The tough opaque tissue which acts as protective outer layer is called as the Sclera. Sclera is made up of tough, fibrous tissue. Eye is the main organ of the visual system.  

What is eye?

Eyes are the organs of the visual system. They provide living organisms with vision. Eyes detect light and convert it into electro-chemical impulses in neurons and send it to the brain.

Human eye is divided into several different parts. Human eye is 2.3 cm in diameter and filled with fluid, and following parts are present in the eye including cornea, sclera, retina, lens, pupil, optic nerves. One of these include sclera, it is the outermost protective layer of eye. This tough, fibrous tissue surrounds the eyeball and attaches to cornea, which is the clear front part of the eye.

The white part of the eye is the sclera. Over this sclera lies the conjunctiva, a clear skin layer that protects the eye from drying.

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it is called the sclera