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Tamiku [17]
3 years ago
8

Which of the following is not one of the five signs that you need to seek professional help to treatyour comminicable disease?

Biology
1 answer:
boyakko [2]3 years ago
4 0
<span>Thick, yellowish-green mucus coming from the nose is NOT one of the five signs that you need to seek professional help to treat your communicable disease.</span>
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Compare the structure and function of the human body system to a nonliving system
CaHeK987 [17]
The human body has living cells that interact with other living cells (Food) and inorganic cells (Salt, Oxygen). It also has a lot of chemical reactions that simultaniously happen inside of it.
Inorganic systems usually do not interact with themselves, and the reactions are mostly exterior.

6 0
3 years ago
What path does food make
EastWind [94]

food goes into the human digestive system through the mouth before then moving through the pharynx, then esophagus, then stomach,then intestines, rectum and anus. 

8 0
3 years ago
Both Duchenne muscular dystrophy and color blindness are caused by recessive alleles. DMD, unlike color blindness, nearly always
Ronch [10]

Answer: Although both are X-linked recessive conditions, and therefore more likely in males, with the single X-chromosome. The recessive allele in colour blindness occurs at a higher frequency in the population and is a mild condition. Thus colour blindness does occur to a lesser extent in females because it needs the double recessive condition. DMD is a severe, disabling condition with a limited lifespan, and recessive allele frequency much lower, so the double recessive condition in females is very rare.

Explanation: DMD is an X-linked recessive, “nearly always in males” suggest that it also occurs due to a new mutation or some rare condition e.g. double recessive from an affected father and carrier mother, or inactivation of the normal gene in a heterozygote. It is also found that the defective allele is not completely recessive and that female carriers may exhibit mild to moderate effects.

colour blindness is polygenic, although the genes are all X-linked. It is more common in males than females. Females can carry two recessive alleles and so express the phenotype, but this is uncommon because the frequency of the recessive gene is low.

There are similarities in that both are X-linked recessives, therefore commonly expressed in males, who only have one X chromosome. The gene frequency of the colour blindness recessive is much higher than that of DMD, so the double recessive condition, which affects females, is more likely to be seen with colour blindness. In addition, DMD is a severe condition associated with disability and limited lifespan, which reduces the probability of mating between an affected male and carrier female

6 0
2 years ago
WHICH IS SAME IN MEIOSIS AND MITOSIS
konstantin123 [22]

Answer:

The chromosomes inroduces carbon factors

Explanation:

4 0
3 years ago
Suppose a restriction enzyme recognizes the six-base sequence aagctt ttcgaa in a double strand of dna . Between which two nucleo
AfilCa [17]

Answer:

<h2> AA </h2>

Explanation:

1. A restriction enzyme, restriction endonuclease, an enzyme that cleaves DNA into small fragments at or near specific recognition sites (different  restriction enzyme has different restriction site) within molecules known as restriction sites.

2. Restriction enzymes are found in archaea and bacteria.

3 And in  bacteria and archaea they provide a defence mechanism against invading viruses.

4. Each restriction enzyme cut at the specific site, because each restriction enzyme have specific recognition site.

3 0
3 years ago
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