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IrinaK [193]
3 years ago
12

Scientific what is the information gathered by the systemic study of nature.

Biology
1 answer:
Marizza181 [45]3 years ago
7 0

Scientific KNOWLEDGE is the information gathered by the systematic study of nature.

Hope this helps!

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Explain why disease alleles for cystic fibrosis (CF) are recessive to the normal alleles (CF+), yet the disease alleles responsi
Korvikt [17]

Answer:

Cystic fibrosis mutation is recessive to normal allele because only one functional or normal allele is enough to produce a functional protein. So, if mutation is present in one allele then also, a normal protein can be made from normal allele. The presence of normal protein prevents the expression of disease.

In addition, mutated allele only results in the loss of function of protein which can be compensated by the expression of normal allele. It does not add any toxic effect to the protein. Consequently, the disease is inherited in autosomal recessive fashion.

In contrast, Huntington mutation not only alters the structure of the functional protein but also adds toxicity to it. The altered protein is enable to interact with 100s of other proteins and inhibit or decrease their function. So, if only one allele is present then also, the mutated protein will be produced and it will result in the phenotype. Consequently, it is inherited as autosomal dominant fashion.

4 0
3 years ago
Air that resists vertical movement is said to be ________. air that resists vertical movement is said to be ________. anticyclon
Novosadov [1.4K]
Air that resists vertical movement is said to be stable. The vertical movement of air is referred to as convection, while advection involves the horizontal movement of air and heat energy transference, Temperature differences at the Erath's surface occur wherever there are differences in surfaces substances. 
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3 years ago
Which of the following have been determined as the oldest living tree types on earth? Select all the apply
xenn [34]

Sequoia and Bristle cone pine

5 0
3 years ago
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An ecosystem that is balanced and in steady state is said to be ____?
Pavlova-9 [17]

Answer:

homeostasis

Explanation:

I think

4 0
2 years ago
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Assume that cells that are about to undergo meiosis are treated with a chemical that blocks crossing over but does not affect th
kupik [55]

Answer:

Crossing over is the phenomenon by which homologous chromosomes exchange DNA segments between them during the process of meiosis.

If crossing over did not occur, there will be no genetic variation among parents and offsprings.

If the process of meiosis did not occur, there will be lesser chances of genetic variations to occur. Each chromosome will be either from the father or the mother with no genetic diversity present in it. As a result,  genetic diversity will reduce.

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3 years ago
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