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Sladkaya [172]
4 years ago
7

Which of the following increases genetic variation within a population and causes change

Biology
2 answers:
Whitepunk [10]4 years ago
8 0
Ya what she said thats ur answer
Dima020 [189]4 years ago
5 0

Answer:

organisms migrating in and out of a population

random changes in genetic traits over time

organisms choosing mates randomly

mistakes that occur in an organisms dna

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What specific changes in rachel’s muscle cells and kidney function are leading to elevated plasma k levels?
tensa zangetsu [6.8K]

Intracellular Potassium Shifts and Impaired Potassium Excretion leads to elevated plasma K levels.

What is Hyperkalemia?

  • Hyperkalemia, a potentially lethal condition, develops when serum potassium levels rise above 5.5 mmol/l.
  • Potassium is the most common intracellular cation and is crucial for many physiological functions, at a concentration of 100-150 mmol/l. The digestive system quickly and usually fully absorbs potassium.

Causes:

  • Increased Potassium intake: In adult patients with normal renal function, increased dietary potassium intake is a very rare cause of hyperkalemia, but it can be a significant factor in people with kidney disease.
  • Intracellular Potassium Shifts: Large amounts of intracellular potassium can be released into the extracellular area as a result of cellular damage. Excessive activity, rhabdomyolysis after a crush injury, or other hemolytic processes can all be to responsible for this. 
  • Impaired Potassium Excretion: The most frequent cause of hyperkalemia is acute or chronic renal disease. Hyperkalemia may also result from tubular dysfunction brought on by aldosterone insufficiency or insensitivity.

Learn more about the Hyperkalemia with the help of the given link:

brainly.com/question/8920601

#SPJ4

5 0
2 years ago
The potential effects of chronic illness or disability on a child's development vary with age. What is a threat to a toddler's n
Alina [70]

Answer:

The options

a. Hindered mobility

b. Limited opportunities for socialization

c. Child's sense of guilt that he or she caused the illness or disability

d. Limited opportunities for success in mastering toilet training

The CORRECT ANSWER IS a.

a. Hindered mobility

Explanation:

a. Hindered mobility✔

Toddlers do develop a sense of independence, growing self-control, and developing symbolic impression via language learning and development.

Mobility is the major tool applied by toddlers to venture on how to keep control. Inability to undergo mobility produces a belief of helplessness in them.

b. Limited opportunities for socialization❌

Toddlers find it not easy to socialize and theu show sensitivity to alteration in family daily activities.

c. Child's sense of guilt that he or she caused the illness or disability❌

A feeling of guilt is might show up more in a preschooler.

d. Limited opportunities for success in mastering toilet training❌

Toilet training is takes time to learn by toddlers, it is learnt after the toddler period is over.

8 0
3 years ago
From the following, choose the factors that may produce or increase the risk of mutations.
mel-nik [20]

Answer:

High Temperature, X-rays, Radiation, Some Chemicals

Explanation:

In general, mutations happen due to some error in the DNA duplication process, however, there are certain factors in the environment that can increase the incidence rate of these genetic errors. Excessive exposure to x-rays, substances present in smoke, ultraviolet light, excessive temperature, nitrous acid and some dyes present in food, for example, can favor the appearance of mutations. In general, we can say that mutations can be caused by high temperature, X-rays, radiation, some chemicals.

8 0
3 years ago
If one strand of DNA has the sequence 5'ATCG 3', what would be the sequence of the matching DNA strand
sammy [17]

Answer:

Each strand is made up of a sequence of four nucleotides, A, C, G, and T. The order of the nucleotide sequence encodes genetic information. Since the nucleotides pair in a predictable way — A with T, and C with G — each strand of the DNA is always complementary to the other.

8 0
3 years ago
Read 2 more answers
Help me out this quétion please thank you
Natalka [10]
The answer is A because it is the best answer that the students gave. 
5 0
3 years ago
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