What is the difference between active transport and diffusion in terms of movement of particles?

1 answer:

7 0

Active transport is the movement of dissolved molecules into or out of a cell through the cell membrane, from a region of lower concentration to a region of higher concentration. The particles move against the concentration gradient, using energy released during respiration.

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Describe the ways that humans both positively and negatively affect the environment and biodiversity.

Alexxandr [17]

Answer:

Human interaction within ecosystems can have both positive and negative impacts on the levels of biodiversity. The impact of an increase in the human population , including increased waste, deforestation , peat bog destruction and global warming has been to reduce biodiversity .

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3 years ago

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Why was important for Miller and Urey to sterilized the apparatus to kill any bacteria in it?

Elena L [17]

Answer:

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Explanation:

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2 years ago

9. What is always true of a binary compound? It has a double bond. It has two elements. It has covalent bonds. It has two atoms.

juin [17]

Answer

Correct answer is :It has two elements

Explanation

A binary compound is a compound that is made up of two of the elements in the periodic table. Some examples of binary compounds are $NaCl$ and $N_2O$ . This means that a binary compound can have more than 2 atoms as in the case of hydrogen oxide. Some binary compounds are ionic as in the case of sodium chloride.This shows that they do not necessarily have to have covalent bonds. This also rules out the possibility that they may always have double bonds as ionic compounds are bound together by ionic bonds. The only thing that will always be true of binary compounds is that they will always have 2 elements.