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Elan Coil [88]
3 years ago
5

What does Louis Pasteur mean with “the role of the infinitely small in nature is infinitely large?

Biology
1 answer:
dolphi86 [110]3 years ago
6 0
<span>He meant the micro-organisms (microbes) are very small living organisms but plays an important role in maintaining  life on earth. Microbes fix gases and break down animal matter and dead plants into simpler substances that are used at the beginning of the food chain.  Pasteur shows that vaccines against infectious diseases can be manufactured. </span>
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State what you would expect to see in a urine sample that was positive for laxative abuse.
IrinaK [193]

Answer:

Laxatives, which enhance bowel movements, are abused by the individuals who desire to lose weight and are suffering from eating disorders. Laxative abuse leads to extreme symptoms like hypokalemia, diarrhea, abdominal pain, acid-base disturbance, and weight loss.  

The majority of the laxatives are captivated by the colon and are discharged in feces or urine as metabolites. In the analysis of urine, the volume of urine gathered within a 24 hours duration is more than two liters. The level of sodium and chlorine reduces in urine and the levels of potassium will enhance in the urine.  

A change in electrolyte balance and changes in acid-base results, hypokalemia is the clinical characteristic of laxative abuse. The pH of urine will decline on the basis of the extremity of the abuse. The levels of creatinine will increase, and one can witness elevation in the secretion of renin and aldosterone because of the loss of fluid.  

7 0
4 years ago
Which of the vitamins is directly linked to the diet of calcium in our body?
kupik [55]
Vitamin D is the answer
3 0
3 years ago
Air pollution is caused by;
nalin [4]

Answer:

2.

Explanation:

only 2 of them are the causes of air pollution

7 0
3 years ago
Homologous pairs of chromosomes are lined up independently of other such pairs during _____. Homologous pairs of chromosomes are
kvv77 [185]

Answer:

Homologous pairs of chromosomes are lined up independently of other such pairs during <u>metaphase I.</u>

Explanation:

Meiosis is a special type of nuclear division that occurs only in organisms with sexual reproduction. The meyotic division gives rise to gametes.

The division begins just after the chromosome DNA has replicated in the S phase. Each chromosome is made up of two identical sister chromatids joined by their centromere. However, chromosomes are not kept separate in the nucleus, but instead bind to their homologous partners. This union called synapse, occurs during prophase I.

In metaphase I, the pairs of chromosomes are aligned in the spindle Ecuador, that is, during this stage, the homologous pairs are aligned in the metaphase plate (which is the equatorial plane of the achromatic spindle) for separation.

During anaphase I, the members are directed to the opposite poles of the cell. Telophase I, this phase begins with the arrival of chromosomes at the poles and with the formation of a nuclear envelope around each group of chromosomes. During Profase II, the nuclear membrane (if formed during Telophase I) dissolves, and spindle fibers appear.

The first meyotic metaphase and anaphase is usually completed in a short time to give rise to the phases of the second division (metaphase II and anaphase II) , which is a mitosis during which the centromeres divide and the chromatides move towards opposite poles to become gamete chromosomes. In telophase II, cytokinesis separates cells.

6 0
3 years ago
What description best explains why viruses can become more pathogenic to host that were not affected by the virus before?
ANEK [815]

Answer:

New cells are naive to the infectious cells who attack it or they are not well prepared to deal with the different scenarios. But, the cells who are attacked before has the set or sequence of the viral or bacterial genome strand been identified by them, which leads to more safety or protection from these foreign bodies.

Explanation:

  • Mechanism To attack a host cell:

The viruses and other infectious material enters and attacks the host cell, by breaching its membrane wall and installing or leaving a gene of its own inside the cell. Which then combines with the genome of the cell and it goes through the process of replication, translation etc,along with the host cell machinery. Which then spreads the specific gene strand more in the environment

  • <u>Camouflage obtained by the infectious cell to hide it self:</u>

After the genome enters the host cell at first it does not recognizes the strands or foreign cells, as they cover there body with a camouflage sort of membrane and they look more like the body cells.

  • <u>Reactions by the host cell and as a whole the body:</u>

The organisms detects the genome of the infections cells or strand, as they store the data about it in its server or database. As if the next time they were under attack then precautions will be there by the host cell to deal with it.

As for the cell who are never attacked before will be less safe to deal with these foreign bodies.

5 0
3 years ago
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