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Kisachek [45]
1 year ago
11

You are invited to participate in a debate about the concept of evolution. Construct an opening statement supporting evolution,

using antibiotic resistance in microorganisms as an example.
Biology
1 answer:
Masja [62]1 year ago
3 0

When talking about evolution, a good example is bacterial resistance to antibiotics.

We start with a bacteria colony, and in contact with antibiotics, most of them die.

Some of them in the colony do not die and took that antibiotic to create a mutation of its DNA to be resistance to that.

They evolved  survive that antibiotic.

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Define groundwater, and list some anthropogenic (human) sources of groundwater pollution. Why do many scientists consider ground
joja [24]

Explanation:

Groundwater is the freshwater present below the earth's surface. It originates from the rain, ice, melting snow.

Some anthropogenic sources of groundwater pollution are

  • Aluminum.
  • Sulfur.
  • Arsenic.
  • Nitrates.
  • Fluoride.

Groundwater pollution has more problems than surface water pollution because groundwater is mostly hidden and it is very difficult to view, manage and monitor.

Groundwater holds its contamination and pollutants that cause pollution whereas surface water rinses their contamination and pollutants.

8 0
2 years ago
A (n) inhibitor has a structure that is so similar to the substrate that it can bond to the enzyme just like the substrate. 2. a
Studentka2010 [4]
The answers are as follows:
1. <span>An inhibitor has a structure that is so similar to the substrate that it can bond to the enzyme just like the substrate: t</span>his is called competitive inhibitor. A competitive inhibitor will compete with the substrate for the active site of the enzyme and bind to the active site, thus incapacitating the substrate from binding to the active site.
2.  An inhibitor binds to a site on the enzyme that is not the active site: this is called non competitive inhibitors. Non competitive inhibitors bind to other site in the enzyme which is not the active site of the enzyme. The binding of the inhibitor changes the conformation of the enzyme as well as the active site, thus making it impossible for the substrate to bind to the enzyme effectively.
3. <span>usually, a(n) inhibitor forms a covalent bond with an amino acid side group within the active site, which prevents the substrate from entering the active site or prevents catalytic activity: this is called irreversible or permanent inhibition. Permanent inhibitors form covalent bonds with the enzyme and prevent substrate from binding to the enzyme.
4. T</span><span>he competitive inhibitor competes with the substrate for the ACTIVE SITE on the enzyme: The active site of an enzyme is the place where the substrate normally bind in order to activate a enzyme. Competitive inhibitors are those inhibitors that compete with the substrate for the active site of the enzyme and prevent the substrate from binding there.
5. W</span><span>hen the noncompetitive inhibitor is bonded to the enzyme, the shape of the ENZYME is distorted. The non competitive inhibitors are those inhibitors that bind to other places in the enzyme instead of the active site. The binding of the non competitive inhibitor usually distort the shape and the conformation of the enzyme thus preventing the substrate from binding to it effectively.
6. E</span><span>nzyme inhibitors disrupt normal interactions between an enzyme and its SUBSTRATE. The principal function of enzyme inhibitor is to prevent the substrate from binding to the appropriate enzyme. This is usually done in the human system in order to regulate the activities of enzymes.</span>
6 0
2 years ago
Explain have a fats sugars and or starch contained in seeds or milk are useful for the plant sprouting from the seed or the baby
Kipish [7]
There is a lot of calories in fats that can be a good help and can be used for growth, fats are high energy molecules that help in growing organism. Fats produces carbon dioxide, water, and ATP when metabolism.  The sugars and or starch is useful in the same method, they provide calories necessary for a seed or baby animal to grow. The sugars used in glycolysis and then the products of glycolysis used in  the citric acid cycle, and the starch can be cleaved into more manageable sugars. 
5 0
1 year ago
If 33 of the 300,000 people in Corpus Christi, TX, have PKU, how many people are carriers (heterozygous) for PKU?
miv72 [106K]
The number of people who are carriers (heterozygous) for PKU if there are 33 of the 300,000 people in Corpus Christi, TX, have PKU is 15. Heterozygous or also called as zygosity refers to having the unlike genes or different genes. 
8 0
1 year ago
Read 2 more answers
Which explains why the reflex reaction is important in certain situations?
Leviafan [203]

Answer: The answer is D. Sending a message up the spinal cord takes time

Explanation:

A p e x

8 0
2 years ago
Read 2 more answers
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