Answer:
The sentences can be completed as follows:
The enzyme lactase breaks down the sugar lactose.
If the body doesn’t produce much of this enzyme, people have what’s called lactose intolerance.
During the chemical reaction the enzyme doesn’t get used up, but gets reused.
Enzymes are substances that speed up chemical reactions which are also known as catalysts.
Explanation:
Enzymes can be described as molecules which act as biological catalysts i.e they are involved in speeding up a chemical reaction. The enzymes do not get used up in a chemical reaction and hence, they can be reused.
Lactase is an enzyme which helps in breaking down the sugar lactose which is commonly found in the milk. If enough lactase is not produced by a person's body, then he/she becomes unable to digest the sugar lactose. Such a condition is known as lactose intolerance.
Water moves<span> readily across </span>cell<span> membranes through special protein-lined channels, and if the total concentration of all dissolved solutes </span>is<span> not equal on both sides, there </span>will<span> be net </span>movement<span> of </span>water <span>molecules into or </span>out<span> of the </span>cell<span>.
The hypotonic solution moves out of the cell</span>
Answer:
Correct answer down below in image
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Answer:
Environmental awareness is an incredibly important part of our lives. In order to protect the sustainability of the planet, everyone needs to commit to becoming more environmentally aware. Environmental degradation is detrimental and is jeopardising the long-term health and security of animals, plants and humans.
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Answer:
Restriction enzymes are used to cut DNA sequences at specific areas. They have a nucleotide code on them. So when this restriction enzyme finds that code in your DNA it cuts it there.
Explanation:
Science
