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Blababa [14]
3 years ago
8

A red blood cell has an intracellular concentration of 300 mOsM of nonpenetrating solute. What best describes a solution contain

ing 100 mM NaCl and 150 mM urea relative to the red cell?
Biology
1 answer:
Nady [450]3 years ago
7 0
Urea is isosmotic to the intracellular fluid of red blood cells, but because the membranes of the blood cells are permeable to urea. Urea enters the cell at a m...
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Whats the answer ugh
Strike441 [17]

Answer:

Phalanges: long bones

Sternum: flat bone

Vertebrae: Irregular bone

6 0
3 years ago
The current maternal blood-screening test is called the triple screen because:
Tasya [4]

The current maternal blood-screening test is also known as the triple screen test because of the testing of the three substances in the blood of a pregnant woman. These three tested components are the hCG (Human Chorionic Gonadotropin), AFP (Alpha-feto protein), and the estriol.

For the purpose of this triple screen test, the blood is drawn for the expectant mother and then this drawn blood is tested for the listed three components.

Hence, the correct answer is 'it tests for three substances in the maternal blood'.

5 0
3 years ago
Does the hallux (big toe) of Carpolestes have more synapomorphic features shared with the euprimate, or more symplesiomorphic fe
Alja [10]

Note: <em>You will find the missing image needed to answer the question in the attached files</em>.

Answer:

  • The hallux (big toe) of Carpolestes has synapomorphic features shared with the euprimate.
  • The nail on the distal phalange is an example of a synapomorphic feature.

Explanation:

  • The symplesiomorphic features are those shared by two or more organisms that inherited it from a common ancestor, but this trait is older in relation to those traits exhibited in other descendants of  that same ancestor.
  • The synapomorphic features are those shared by two or more organisms that inherited it from a common ancestor, and which evolved for the first time in it.

There are more synapomorphic features shared with the euprimates. The nail on the distal phalange of the big toe and euprimates might be considered as a synapomorphic feature. It is quite different from the same nail of the tree shrew.

5 0
3 years ago
The _____ cortex, located in the occipital lobe of the brain, is the part of the cerebral cortex that primarily deals with visio
Dmitrij [34]

Answer:

the association visual cortex

6 0
3 years ago
Chloroplasts contain flattened disks known as thylakoids that are stacked into grana. In the thylakoids are proteins that?
ad-work [718]
<span>Help capture light from the Sun during the process of photosynthesis.</span>
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3 years ago
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