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torisob [31]
3 years ago
13

1. What is the role of sanitation and snails in maintaining​

Biology
1 answer:
Arisa [49]3 years ago
6 0

Answer:

Schistosomiasis is a disease caused by infection with blood flukes of the geneticist Schistosomiasis. Transmission of, and exposure to, the parasite result from fecal or urinary contamination of freshwater containing intermediate host, snails, and dermal contact with the same water.

Explanation:

Snails can carry diseases such as angiostrongyliasis, clonorchiasis, fascioliasis, fasciolopsiasis, opisthorchiasis, paragonimiasis, and schistosomiasis. Be cautious when stepping into freshwater, because there may be snails in it. I recommend not picking up or touching snails.

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Select the correct answer.
iVinArrow [24]

Answer:

D. Biotechnology

Explanation:

Biotechnology is the use of biological processes, living organisms, or biological systems to manufacture useful products in order to improve the quality of human life.

Biotechnology covers many disciplines such as genetic engineering, biochemistry, molecular biology, medicine, agriculture etc. In medicine, biotechnology has been applied in the development of medicines and therapies, etc. In agriculture, biotechnology is applied in the development of genetically modified plants, biofuels, biological treatment as well as to solve other agriculture-related issues. In the industries, through genetic engineering, simple cells and proteins has been engineered to produce useful chemicals such as drugs, hormones, etc.

Since George's studies involves cell culturing and genetics of plants in order to develop technology that will improve plant production and solve other agriculture-related problems, he is studying Biotechnology.

8 0
3 years ago
In humans, the DMD gene is required for proper muscle function. Mutations in the DMD gene display X-linked recessive inheritance
ANEK [815]

Answer:

Explanation:

As the inheritance is X-linked,recesson so for expression of muscular dystrophy in any given muscle,

\frac{enh1-    enh2+   enh3 -   DMD+ }{enh1-    enh2+   enh3 +   DMD+}

enh1+ /enh1 + = Shows muscular dystrophy in heart (Homozygous for -)

enh2+/enh2+ = Shows no muscular dystrophy in arms (Homozygous for +)

enh3-/enh3+ = variabl or mosaic for muscular dystrophy in leg muscles (Hetrozygous for enh3)

8 0
3 years ago
How do messages travel from one neuron to another
ale4655 [162]

Answer:When neurons communicate, an electrical impulse triggers the release of neurotransmitters from the axon into the synapse. The neurotransmitters cross the synapse and bind to special molecules on the other side, called receptors. Receptors are located on the dendrites. Receptors receive and process the message.

Explanation:

3 0
3 years ago
Which major change can occur in a small population that is the result of the genetic drift?
Bezzdna [24]
The answer is C. large changes in allele frequencies can occur in a short time.

Genetic drift is a change in the frequency of alleles in a population as a result of random sampling of organisms and it decreases genetic variation of the population. In specific circumstances, large and rapid changes in allele frequencies can occur in a short time. The smaller the population, the more susceptible it is to genetic drift.

6 0
3 years ago
21) What is the measure of how high or how low a wave sounds?
OLga [1]

Answer:

[D] Pitch

Explanation:

The measure of how high or low a sound is called the pitch.

6 0
3 years ago
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