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sweet-ann [11.9K]
3 years ago
7

Compared to benign tumors, malignant tumors are different because the cells in malignant tumors ________.

Biology
1 answer:
garik1379 [7]3 years ago
5 0
Compared to benign tumors, malignant tumors are different because the cells in malignant tumors are cancerous.
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Which is the best definition of a phylogenetic tree?
Allushta [10]
A phylogenetic tree<span> or evolutionary </span>tree<span> is a branching diagram or "</span>tree<span>" showing the inferred evolutionary relationships among various biological species or other entities—their </span>phylogeny<span>—based upon similarities and differences in their physical or genetic characteristics.</span>
5 0
3 years ago
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A red blood cell placed in a hypertonic solution will shrink in a process called crenation. A red blood cell placed in a hypoton
-BARSIC- [3]

Answer:

The correct answers are A. "crenation", B. "hemolysis", C. "hemolysis", D. "crenation" and E. "neither will occur".

Explanation:

0.9% (m/v) NaCl or 5.0% (m/v) glucose are isotonic solutions at which the cells will not suffer any harmful consequence. A solution with a higher concentration than the isotonic conditions would result in the cells crenation, while a solution with a lower concentration would result in the cells hemolysis. Therefore the consequences of putting the red cells to the solutions stated in the question are as following:

A: 3.21% (m/v) NaCl Solution  = crenation (higher than 0.9% (m/v) NaCl)

B: 1.65% (m/v) glucose Solution  = hemolysis (lower than 5.0% (m/v) glucose)

C: distilled H2O Solution  = hemolysis (lower than 0.9% (m/v) NaCl or 5.0% (m/v) glucose)

D: 6.97% (m/v) glucose Solution  = crenation (higher than 5.0% (m/v) glucose)

E: 5.0% (m/v) glucose and 0.9%(m/v) NaCl = neither will occur (equal to 5.0% (m/v) glucose and 0.9% (m/v) NaCl)

6 0
3 years ago
Compounds that contain only carbon and hyrdrogen are
Kay [80]
Hydrocarbons,polycyclic aromatic hydrocarbons
4 0
3 years ago
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2 Points
trapecia [35]

Answer:

Your answer is B.

Explanation:

Since elements can't exactly "die", the element rather breaks down in the soil below it, and is used again upon the next plant or animal.

Hope I helped :)

3 0
2 years ago
Electrical wires are generally protected by a tube of plastic. a similar insulating function is performed in the nervous system
Allisa [31]

The myelin sheath is the protective layer, which is present in the outer layer of the neural cells. This myelin sheath prevents the loss of electrical impulses, which are being conducted in the neurons. This also act as an insulator between neuron and its external environment.

This layer is mainly made up of the protein and fatty substance. The degeneration of the myelin sheath result in many neurological disorders.


Hence, the correct answer is myelin sheath.

7 0
3 years ago
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