People with two copies of the sickle cell gene have the disease. People who carry only one copy of the sickle cell gene do not have the disease, but may pass the gene on to their children. Abnormal hemoglobin, called hemoglobin S, causes sickle cell disease (SCD). The problem in hemoglobin S is caused by a small defect in the gene that directs the production of the beta globin part of hemoglobin. This small defect in the beta globin gene causes a problem in the beta globin part of hemoglobin, changing the way that hemoglobin works.
Above 30 degrees farenhieit or 0 degrees celcius there would be rain below there would be snow
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An adaptation is a way that an animal has changed in its environment that allows the animal to survive.
<u><em>Adaptations make the species more genetically diverse</em></u>
The given statement that pharmacological induction of heme oxygenase-1 by a triterpenoid protects neurons against ischemic injury holds True.
<h3>What is Heme- Oxygenase-1?</h3>
Heme- Oxygenase-1 is an enzyme that usually gets triggered when there is oxidative stress to the body.
This enzyme helps protect the body from repeated unwanted injuries.
Oxidative stress means the formation of the free radicals in the body that produce harmful effects to the human body.
Thus neutralizing these radicals is very important.
Learn more about Oxidative stress with the help of given link:
brainly.com/question/21202536
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Answer:
Shared derived characters can be used to group organisms into classes.
Explanation:
For example, amphibians, turtles, lizards, snakes, crocodiles, birds and mammals all have, or historically had, four limbs.
