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ludmilkaskok [199]
3 years ago
5

A testcross is _________.

Biology
1 answer:
Olin [163]3 years ago
4 0

Answer: C

Explanation: A testcross is a mating between an individual of unknown genotype and an individual homozygous recessive for the trait of interest.

It can determine if the individual being tested is homozygous dominant or heterozygous dominant.

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Technician a says oily residue on hoses, components, or fittings indicates an area where refrigerant may be leaking. technician
MArishka [77]

Answer: Option D.

Technician A.

Explanation:

Oil residues on hoses, it's components or fittings indicate an area where refrigerant may be leaking.

An oil spot on the A/C hose is an indication of refrigerant leak in the system. Good oil levels are important for the system good performance. If the level of oil is to low, the compressor will not have lubrication and if it is too high, the heat exchange will affected which will lead to poor air conditioning performance. If a leak is formed on A/C hose, an oil spots that collect dirts will disappear. An refrigerant leak detector will help verify if there is no leak in the system.

So Technician A is correct.

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3 years ago
What is life? Plzzzzz
victus00 [196]

Life is the period between the birth and the death of the organisms during which they perform various cellular activies and functions like growth, reproduction, digestion, excreation, etc.

4 0
3 years ago
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Pictured below is the inducible soap operon of the pseudomonas species growing in the oncology ward. imagine the operator has be
pav-90 [236]
The growth on soap would not change that much, it will just change a little or just a bit of its part, but the damage would decrease the species growth elsewhere. Growth on soap will not change, but the damage had the chance to decrease the species growth elsewhere.
3 0
3 years ago
In which state is a plant cell healthiest ?
Alex17521 [72]

Answer:

Hypotonic

Explanation:

At this point, the cell is turgid (very firm), the healthy state for most plant cells. Plants that are not woody, such as most houseplants, depend for mechanical support on cells kept turgid by a surrounding hypotonic solution

8 0
2 years ago
List all four body systems that make up the excretory system and give an example of how each body system eliminates waste.
mart [117]

Answer:

Organs of excretion make up the excretory system.

They include the :

kidneys-Blood by-products are filtered out by the kidneys and leave the body in urine form. They are part of the urinary system, which also includes the ureters, bladder, and urethra

large intestine-By-products enter the intestine and leave the body in the form of feces

liver- breaks down harmful substances. It's by-products are excreted into bile or blood.

skin-Sweating eliminates excess water and salts, as well as a small amount of urea, a byproduct of protein catabolism

lungs- oxygen is exchanged for a waste gas called carbon dioxide. Your bloodstream then carries this waste gas back to the lungs where it is removed from the bloodstream and then exhaled

Hope this helps!!!!!!

Forever friend and helper,

Cammie :)

4 0
3 years ago
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