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Finger [1]
3 years ago
10

Which of these does not contain helpful bacteria?

Biology
1 answer:
alekssr [168]3 years ago
5 0
Answer I think it’s liquid soap
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Why does the percentage of water increase as it moves through the mouth,stomach and the beginning of small intestine
Rama09 [41]
Because there are other liquids in your body it passes through and it adds to the amount of water.
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3 years ago
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What is meant by the term “essential” amino acids, what is essential about them? Put in your own words
sergey [27]
Amino acids make up proteins, and proteins are needed for proper growth in humans. They’re essential because, without them we wouldn’t have the nutrients we need to survive. I hope this helped!
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2 years ago
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Which point in this graph shows the beginning of a period of exponential
IgorLugansk [536]

Answer:

C. Point B

Explanation:  

The exposed curve represents a logistic growth model. Population growth depends on density. Natality and mortality depend on the population size, meaning that there is no independence between population growth and population density.

When a population grows in a limited space, density rises gradually and eventually affects the multiplication rate. The population per capita growth rate decreases as population size increases. The population reaches a maximum point delimited by available resources, such as food or space. This point is known as the carrying capacity, K.

K is a constant that equals population size at the equilibrium point, in which the natality and the mortality rate get qual to each other.

Referring to population size as N, when

  • N<K, the population can still grow.
  • N approximates to K, the population´s growth speed decreases.
  • N=K the population reaches equilibrium,
  • N>K, the population must decrease in size because there are not enough resources to maintain that size.  

The sigmoid curve represents the logistic growth model.

  • Point A: During this period, the population size is relatively stable. Little growth is expressed.
  • Point B: At the beginning of this period, population growth increases softly. The more individuals are in the population, the more that reaches sexual maturity and get to reproduce, leaving fertile offspring. This fertile offspring also get to reproduce and leave more fertile individuals. At the end of the period, the curve shows a sharp slope, reflecting the significant increase in the population reproductive rate.  
  • Point C: At the beginning of this period, the population keeps on growing exponentially. But at the end of the period, the curve tends to stabilize, meaning that the population stops growing in size so fast. The population slow and gradually reaches the equilibrium point, K.
  • Point D: The population got to stabilize.
7 0
2 years ago
Please can someone help me?
Rainbow [258]
Im pretty sure the answer is B
4 0
3 years ago
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By what process do most bacteria divide? *
djverab [1.8K]

Answer:

The answer to your question is: D. Binary fission

Explanation:

A. Mitosis  This is the process by which somatic cell divide, from 1 cell the result is 2 cells.

B. Meiosis   This is process by which reproductive cells divide, the product of this process is 4 daughter cells.

C. Conjugation  is a process by which bacteria transfer DNA to another cell but is not a process of division.

D. Binary fission , this is the process by which Bacteria reproduce, the result of the mechanism is 2 identical daughter cells.

7 0
3 years ago
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