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3 years ago

An organ system-

Biology

2 answers:

algol133 years ago

7 0

An organ system -

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A. is a collection of organs that work together to perform a specific job.

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alekssr [168]3 years ago

5 0

Answer:

A. Is a collection of organs that work together to perform a specifc job

Explanation:

An organ system is a collection of organs that work together to perform specifc job.

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What is the difference between competitive inhibition and non competitive inhibition?

Andrews [41]

Hi , basically only non competitive inhibition has an allosteric site and active site while competitive inhibition has an active site where the substrate and inhibitor compete to bind to it.

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3 years ago

True-breeding flies with singed bristles (s) and normal wings (L) were crossed to true-breeding flies with normal bristles (S) a

mina [271]

Answer:

The correct answer is -

Possible F2 offspring genotypes and phenotypes:

SsLl: normal bristle, normal wing

Ssll: normal bristle, vestigial wing

ssLl: singed bristle, normal wing

ssll: singed bristle, vestigial wing

Explanation:

In this case, the genes 's' and 'L' and genes 'S' and 'l' are linked, they will be passed on to the gamete together.

The cross would be as follows:

F1:

Parents: singed bristles and normal wings x normal bristles and vestigial wings

Genotype: ssLL SSll

Gametes: sL Sl

F1: SsLl ( normal bristles and normal wings )

For F2,

Parents: normal bristles and normal wings x singed bristles and vestigial wings

Genotypes: SsLl ssll

Gametes: SL, Sl, sL, sl

Cross:

SL Sl sL sl

sl SsLl Ssll ssLl ssll

Thus the possible offspring will have -

SsLl: normal bristle, normal wing

Ssll: normal bristle, vestigial wing

ssLl: singed bristle, normal wing

ssll: singed bristle, vestigial wing

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3 years ago

Which description of bone cells is INCORRECT? a. Osteogenic cells can differentiate into osteoclasts. b. Osteoblasts secrete col

Misha Larkins [42]

Answer:

a. Osteogenic cells can differentiate into osteoclasts

Explanation:

Osteoblasts are the cells that are formed from osteogenic cells. The osteogenic cells enter the process of bone formation. There is a secretion of organic compounds and salts to form osteoblast. Osteoclasts are the very large cells that are formed when many monocytes fuse together and are concentrated in endosteum. Osteoclasts are the cells responsible for bone resorption.

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3 years ago

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Answer:

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3 years ago

An energy pyramid shows the amount of

Andru [333]

Answer:

Yes

Explanation:

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3 years ago