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Colt1911 [192]
2 years ago
11

1. Which of these is NOT an

Biology
2 answers:
Sonbull [250]2 years ago
6 0
The answer is A and C
Dmitry_Shevchenko [17]2 years ago
3 0
The answer is A and C
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Which parasitic protist evades the host immune system by altering its surface proteins with each generation?
aleksandr82 [10.1K]

Answer:

Trypanosoma brucei

Explanation:

T. brucei is a unicellular eukaryotic parasite that causes sleeping sickness. This organism has an elongated body, central nucleus, only an elongated mitochondria housing the kinetoplast, where the mitochondrial DNA is located; It has a scourge that gives it motility. Its undulating cell membrane, as a result of flagellar movements, is covered with glycoproteins that elicit little immune reaction, allowing this parasite to go unnoticed.

This organism infects the host by evading the host's immune system by altering its surface proteins with each generation.

7 0
2 years ago
describe the basic process of evolution by natural selection. Describe the underlying genetic basis and role of the environment
shepuryov [24]

Answer AND Explanation:

Darwin describes natural selection as a process whereby nature selects those organisms that have favourable characteristics to be parents of the next generation. The individuals possessing the favourable traits are better suited to the prevailing environmental conditions. This enables them to stand a better chance to survive in the struggle for existence due to limited resources.

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2 years ago
When researchers create __________, they are destroying a piece of the brain. A. Holes B. Currents C. Images D. Lesions Please s
Ira Lisetskai [31]
When researchers create lesions, they are destroying a piece of the brain.

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2 years ago
20. The figure below from Ch.28 shows the sequence of events in a soccer kick. Describe what is happening in each image. What ha
melomori [17]
When a muscle contract, it will become shorten. To kick a ball, there are many muscles used for moving the leg. Muscle from the thigh will move the lower leg and the power of kick comes from this muscle group.  The muscle in the lower leg will control the feet and determine whether kick using the front or side of the feet.

Since the muscle in one side contract, the opposite muscle in the muscle pair will be flexed. The muscle in flex condition will be lengthened.
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3 years ago
The type of heat transfer where heat is transferred from one solid to another is called:
Jobisdone [24]
conduction is solid 
convection is liquid
radiation is anything that passes radiation

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3 years ago
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