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irga5000 [103]
3 years ago
6

What information would a scientist need to discover whether a disorder had a genetic cause, an environmental cause, or a combina

tion of the two?
Biology
1 answer:
Aleks [24]3 years ago
6 0
He needs to know if the disorder occurs in the members of family (it would suggest genetic cause of a disease) or in housemates/colleagues from work (it would suggest environmental cause if sick people share the environment)
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The ________ functions in the control of movements of the upper legs and the trunk. corticobulbar pathway rubrospinal tract late
GrogVix [38]

The right option is lateral corticospinal tract

The lateral corticospinal tract functions in the control of distal muscles such as those of the limbs and the trunk. About 90% of the fibers that travel in the corticospinal tract are found in the lateral corticospinal tract which makes it the main component of the corticospinal tract.






3 0
3 years ago
HELP FAST! PHYSICAL SCIENCE salt is added to a flask of water. the flask is sealed and shaken for several minutes.After being sh
densk [106]

Answer:the following can be done to allow more NaCl to dissolve;

1.) heating the mixture.

2.) Addition of extra water to the solution.

Explanation:

When sodium chloride is dissolved in water, the polar water molecules are able to work their way in between the individual ions in the lattice. The water molecules surround the negative chloride ions and positive sodium ions and pull them away into the solution. This process is called dissociation. Now when the solution is heated, the rate of the dissociation between the two molecules increases leading to more dissolution of NaCl. Also in the absence of heating, more Water molecules can be added to the solution to decrease it's saturation thereby favouring the dissolution of more NaCl.

6 0
3 years ago
The difference between quartzite and quartz is that in quartzite, the grains
Gekata [30.6K]

Answer obliterated

Explanation:

                                                                                                                                   

5 0
3 years ago
Read 2 more answers
How does pH affect cells and cellular processes
wel
The slightest change in pH can destroy the substance or organism. The pH of a cell's interior helps regulate the cell's chemical reactions. For example, the pH of blood is 7.4, if blood falls to 6.8 or lower or 8.2 or higher, it results in death.
6 0
3 years ago
(ASAP PLEASE) Dichotomous key of brewer’s yeast (saccharomyces cerevisiae) e. coli bacteria (escherichia coli) green hydra (hydr
Serjik [45]

Answer:

Does the organism have legs?

Does the organism reproduce asexually?

Can the organism ferment?

Is the organism infectious?

Explanation:

The questions HAVE to be yes or no, in order for it to effectively determine which species is which.

4 0
3 years ago
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