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Lina20 [59]
2 years ago
12

Emily has a maternal grandfather who is colorblind, which is an X-linked

Biology
1 answer:
Pavlova-9 [17]2 years ago
7 0

Answer:

A

Explanation:

the father doesn't have the trait and since it's recessive, there's no way the baby could have it even if the mother carries it from the grandfather.

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Choose the CORRECT statement concerning the cell membrane lipid molecules
VashaNatasha [74]

Answer:

The correct statement concerning the cell membrane lipid molecules is that "energy is not expended during diffusion" (Option d)

Explanation:

Biological membranes are formed by two lipidic layers arranged with their hydrophilic polar heads facing the exterior and the interior of the cells, and their hydrophobic tails against each other. Membranes are fluid, which means that molecules that form it have the capability to move through it.  

Lipids can easily change places with other neighbor lipids by <u>lateral diffusion</u> in the same layer. This is passive diffusion, which means that it does not need energy to happen.

Lipids can also diffuse transversally to the other layer, but this kind of movement is not as easy as lateral diffusion.

There are also other lipidic movements as rotational diffusion that imply the rotation of the molecule.

Through this lipidic bilayer, there is also a passive transport of some particles from one side of the cell to the other which happens because of concentration differences.

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3 years ago
How many people were there in 1850?
JulijaS [17]

Answer:

There were 1.2 billion persons in the year 1850

Explanation:

3 0
3 years ago
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What sort of environment (hypertonic, isotonic, hypotonic) does consuming excessive amounts of pure water create in the body flu
Vlada [557]

Consuming excessive amounts of pure water creates hypotonic environment in the body fluid surrounding the cell.

<h3>What is a hypotonic solution?</h3>
  • A solution having lower osmotic pressure than the solution to which it is compared.
  • It has lower amount of solute (high amount of solvent) compared to other solution separated by a semi-permeable membrane.
  • After consuming excessive amounts of pure water, the body fluid becomes hypotonic, so water enters from body fluid to the cell resulting in the cell to swell or break.

Learn more about different solutions here:

brainly.com/question/4237735

#SPJ4

4 0
2 years ago
Which division of the diencephalon acts as an information filter for sensory information that is forwarded to the cerebrum?
muminat
<h2>The Thalamus.</h2>

Explanation:

Dencephalon is the part of the forebrain and includes three parts- epithalamus,thalamus and the hypothalamus.

Epithalamus is a non-nervous part , it remains fused with pia mater and forms the anterior choroid plexus.

The thalamus  is located between the midbrain and the cerebral cortex. It filters sensory information and directs them to appropriate parts of cerebrum.

Hypothalamus is located beneath the thalamus. It is an integrating center for many important homeostatic functions.

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3 years ago
Only homologous characters are useful in constructing phylogenetic trees. True or False
nika2105 [10]

Answer: True

Explanation:

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3 years ago
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