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kotykmax [81]
3 years ago
5

______ states that small changes accumulate to form major changes.

Biology
1 answer:
il63 [147K]3 years ago
4 0

Answer:

Metastability

Explanation:

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Which of the following uses a particularly dense suite of tight junctions to prevent microbes from entering the underlying tissu
saul85 [17]

Answer:

Blood-brain barrier.

Explanation:

Blood brain barrier may be defined as the barrier between the blood capillaries and the component of the brain tissue. This blood brain barrier provide protection against the pathogens present in the blood.

The blood-brain barrier uses tight junctions that prevent the entry of microbes in the underlying tissue. The tight junctions allows only the entry of some selected particles and prevent the entry of other particles.

Thus, the correct option is (3).

5 0
3 years ago
What ancient environment is the most likely inferred by the large rock salt deposits in the syracuse?
Wittaler [7]

Answer: Evaporation of sea water.

Explanation: Rocks formed by the evaporation of water are called evaporites from salts. <u>When seawater evaporates, the salts precipitate and settle to the bottom</u>. <u>The less-soluble compounds (those that dissolve less readily in water) are deposited first</u>.

7 0
3 years ago
Does your stomach cells have the same DNA as your hair cells
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Yes, Almost ALL cells have the same DNA in a human body. This is because our DNA is inside our Nucleus. DNA is the same in every cell in a human body. Hope this helps! ~
7 0
2 years ago
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A student swings his keychain around in a circle. What is the source of the centripetal force for this action?
Margarita [4]
The source of the centripetal force for this action is tension

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5 0
3 years ago
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In a small, isolated population of piranhas, one individual is born with a synonymous mutation in a gene that codes for the beta
IrinaVladis [17]

Answer:

The correct answer is: Genetic Drift.

Explanation:

  • In any population of any species having two or more alleles encoding for different genes, the frequency of occurrence of each allele among the individuals of a population can vary.
  • The frequency of one allele may be far more or far less than the frequency of other alleles.
  • The frequency of any particular allele is dependent on factors like random mating among individuals as well as natural selection, that tends to increase the frequency of those alleles which provide a survival advantage to the individual in a given environment.
  • Genetic drift can be defined as a phenomenon due to which the frequency of an allele encoding for a particular gene undergoes drastic change (increase or decrease) in a population due to random mating as well as natural selection.
  • In the given statement, one individual of an isolated population of piranhas underwent synonymous mutation in the beta-globin encoding gene.
  • A synonymous mutation can be defined as such a change in the nucleotide sequence of a gene that does not affect the sequence, structure or function of the protein encoded by it.
  • The increase in the frequency of the mutated form of the beta-globin gene after five generations to 5% indicates that due to the impact of random mating or natural selection or both, this has happened.
6 0
3 years ago
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