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Kisachek [45]
3 years 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]3 years 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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Consider the identical
Basile [38]

Answer:

Yes or no

Explanation:

If the disease is genetic then the answer is yes because identical twins have the same genes.

If the disease is viral or bacterial than the answer is no because identical twins are growing in a different environment and facing different bacteria and viruses. So if one is sick it's not compulsory that the second one is also sick it purely depends on the environmental conditions.

8 0
3 years ago
When troponin binds calcium, A. it changes conformation, twisting tropomyosin and exposing actin-myosin binding sites. B. ion ch
vampirchik [111]

Answer:

Option (A).

Explanation:

The muscle contains the different type of proteins that helps in the contraction of muscles and the movements of different body parts. The proteins are actin, myosin, nebulin and tropomyosin.

The binding of the troponin with the calcium result in the confrontational change. This twists the another protein tropomyosin. This helps in the exposure of the actin-myosin binding site. Later, the ATP acts as the main factor for the muscle contraction.

Thus, the correct answer is option (A).

7 0
3 years ago
Glucokinase and hexokinase in glycolysis
Delicious77 [7]
<h2>Answer:</h2>

Glucokinase or Hexokinase is a enzyme used at the first step of glycolysis.

<h2>Explanation:</h2>
  • Glucokinase is a Isoenzyme(enzymes which differs in the sequence of amino acids but catalyses the same reaction) of Hexokinase .
  • Glucokinase (hexokinase D) is present only in liver and pancreas whereas hexokinase is present in all cells.
  • In first step of glycolysis i.e formation of glucose-6-phosphate from glucose is completed with the help of hexokinase. In this step a ATP molecule is consumed i.e ATP is converted to ADP

Result: Glucokinase and hexokinase are used in the first step of glycolysis.

8 0
3 years ago
Why antacids change color with grape and lemon juice?
raketka [301]
They color because they are both acidic when you mix an antacid with an acid the color changes
7 0
3 years ago
(06.04 MC)
NemiM [27]

Answer:

The answer is Lungs

Explanation:

The organs of the excretory system are also parts of other organ systems. For example, your lungs are part of the respiratory system. Your lungs remove carbon dioxide from your body, so they are also part of the excretory system.

4 0
3 years ago
Read 2 more answers
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