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hammer [34]
3 years ago
7

Pollution in the will have the greatest effect on human health

Biology
2 answers:
Paul [167]3 years ago
3 0
<span>Pollution would be the biggest issue to your lungs meaning that the greatest effect would be in the troposphere. Troposphere is the part of atmosphere that we breathe so if it was polluted we would all die because we couldn't breathe or you would develop illnesses like cancer. It would not only affect humans but all other animals and plants as well.</span>
GaryK [48]3 years ago
3 0

Answer:

trosophere i took the test on edjunity

Explanation:

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The second messenger in the following G-protein-linked-receptor pathway is signal moleculeG protein linked receptor activated G
melamori03 [73]

Answer:

Answer is D - cAMP.

Explanation:

cAMP is a small molecule that functions as an intracellular signaling molecule - a second messenger. The first messenger would be the thing that activated the GPCR (e.g. a hormone). The GPCR is a signal transducer (converts extracellular signal to intracellular signal). Once activated, the GPCR activates  adenylate cyclase which can be called a signal effector - it is an enzyme that produces cAMP.

7 0
3 years ago
The what controls the materials that enter and leave the cell.
Hitman42 [59]
The answer would be the cell wall or the cell membrane
6 0
3 years ago
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The ostrich is a bird. However, it has traits that are different from those of the birds we typically see flying around our neig
Romashka-Z-Leto [24]

Answer:

I found this from someone else. This is not my work, Also if this does not answer the question ask the question on here and you can see more answers. hope this helps.!

Explanation:

According to National Geographic, ostriches are a part of a very small group of birds that cannot fly because unlike most birds, their small wings are not strong enough to carry their body for flight and their breastbone isn't balanced enough for flying. Birds that are unable to fly are called ratites.

A number of scientists namely Thomas Huxley, Richard Owen, and others have tried to show that these ratites are actually related to each other and eventually, it was discovered that they all had one thing in common, the way the bones at the roof of the mouth were arranged was similar to that of reptiles rather than other birds.

Richard Owen found and assembled the remains of an extinct ostrich skeleton which was an extinct moa and contrary to already held opinion, one ratite known as tinamous did not really fit with the profile of a ratite because it could fly, even though almost grudgingly and they possessed keeled sternum which suggests that they evolved from flying birds.

DNA tests showed that tinamous evolved within ratites and not necessarily as a separate entity. The tests also showed that moas and tinamous are related.

It was also speculated that the division of the supercontinent Pangaea southern side led to the separation of flightless ratite ancestors, causing each landlocked group to evolve and become the flightless birds we know today such as the ostrich, rheas, etc.

5 0
2 years ago
Read 2 more answers
Which of the following characteristics must an object possess in order to be considered alive ?
MatroZZZ [7]
Made of cells 
<span>use of energy </span>
<span>growth </span>
<span>respond to stimuli </span>
<span>exchange of gasses </span>
<span>excretion </span>
<span>limited life span</span>
6 0
3 years ago
Read 2 more answers
In humans, the allele for red-green color blindness is X-linked and recessive (Xr; the dominant allele is called XR). A man with
taurus [48]

Answer:

It concludes that the man is not the real father of the girl child.

Explanation:

Sex-linked or the X linked characters are the traits that inherited in a change or mutation in X chromosomes that cause the phenotype change in the male, which are homozygous for the gene as only possess one X chromosome and one Y chromosome, and Females if they are homozygous for the gene.

In the question, Man has a normal color vision (XrY) that means he has no mutated allele of color blindness. female has color blindness so that means she is a homozygous chromosome for the gene. Cross between these two results in 50% carrier daughters (XrXR) and 50% color blindness son (XRY). It means there is no chance for the color blind daughter.

Thus, the correct answer would be the man is not the real father of the girl child.

8 0
3 years ago
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