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IgorC [24]
3 years ago
14

Control and experimental groups. They repeated their experiment several times and found the results were the same.

Biology
1 answer:
Ira Lisetskai [31]3 years ago
3 0

Answer: Experience 1 is the one that has the greatest reliability.

Explanation:    Because of this potential variation, biological experiments need to have a large sample size and preferably be repeated several times.  With more samples and repeating the experiment more often, the probability of arriving at a wrong conclusion due to random variation is diminished. As experience 1 has had several repetitions, it is the experience with a more reliable result.

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k0ka [10]

Answer:

Transporting Electrons

As the high-energy electrons are transported along the chains, some of their energy is captured. This energy is used to pump hydrogen ions (from NADH and FADH2) across the inner membrane, from the matrix into the intermembrane space. Electron transport in a mitochondrion is shown in Figure below.

Explanation:

4 0
3 years ago
Question 1 (1 point) Which of the following is NOT one of the four main elements of an amino acid? Question 1 options: Nitrogen
Irina18 [472]

Answer:

calcium is not a main element of calcium . question 2 hemoglobin is a globular protein with an embedded heme group. so a transportation protein and question 3 the building blocks of proteins are amino acids.

Explanation:

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3 years ago
Which product is missing from the stage of glycolysis? (2 points) Glucose → Pyruvate + _________ 2 ATP Oxygen Water Carbon dioxi
Elanso [62]

I  believe the terms listed after the blank space are the options given, in which case the correct answer would be 2 ATP. Hope this helped.

8 0
3 years ago
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Describe pros and cons of genetic engineering to modify food and in-vitro fertilization.
juin [17]
Genetic engineering:Pros: produces more food, makes organisms more fit, increases knowledge and knowledge is good.Cons: Some say it's: playing God, dangerous due to recombination of DNA, contamination of the gene pool, big pharma could take over the "means of production".
In-vitro fertilization: Pros: Allows people who couldn't have children to do so, increases knowledge and knowledge is good.Cons: Expensive (really expensive), can lead to overpopulation (minor), can be done irresponsibly (minor as everything can be). 
7 0
3 years ago
What factor determines when an animal species will enter an ecosystem in succession? a. minerals b. food availability c. competi
Karolina [17]

The correct answer is (C) competition which determines the succession of an animal in the ecosystem.

<h3>What factors influence when an animal species enters a successional ecosystem?</h3>

Interaction and competition among species in a certain environment is a biotic element of ecological primary succession. When succession begins and the first species, known as pioneer species, alter the environmental structure, new species that are more tolerant of the new conditions move in.

These communities gradually replace one another until a "climax community"—such as a mature forest—is attained or a disturbance, such as a fire, occurs.

Learn more about animal ecosystem refer:

brainly.com/question/842527

#SPJ4

7 0
2 years ago
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