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Marta_Voda [28]
2 years ago
6

True or false? the driving force for the unloading of oxygen from hemoglobin into tissues is the difference in pco2 levels betwe

en the blood and body tissues.
Biology
1 answer:
mrs_skeptik [129]2 years ago
3 0

Answer:

False. The driving for is the partial pressure gradient of O2 (PO2 difference), not the PCO2 gradient.

However, keep in mind that an increase in PCO2 can facilitate the unbinding of oxygen from hemoglobin. This is due to a decrease in pH associated with PCO2 increase. The H+ ions bind to hemoglobin and decrease it's affinity for oxygen, this is called the bohr effect. But the PCO2 is not the main driving force of oxygen unbinding.

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. Jack and Jill are thinking about starting a family and they come to you with a question about a rare recessive genetic disease
cupoosta [38]

Answer:

The chance of  having a Child who is a Heterozygote  is 50% , The chance of having a child that will completely come down with Alpers syndrome is 0%

Explanation:

Jack  has a history of Alpers in his family

Jill has no history

lets assume Jack is a carrier : Ab ( because that is how he could have survived the first 10 lethal  years )

Jill : AA

Therefore the probability/chance of Jack and Jill having a child with Alpers ( carrier ) syndrome will be 50 % as shown below

AA * Ab = AA , Ab, AA, Ab

The child produced by Jack and Jill will only be a carrier of the syndrome and not completely affected by the syndrome

7 0
3 years ago
What are molecules and how are they used in running? Evidence
Karolina [17]

Answer:

Osmosis helps cells maintain homeostasis because a cell needs to maintain a specific water balance so that chemical reactions can take place. Osmosis can also be used to balance out the concentration of other molecules (such as sugar or salt) present on either side of a cell membrane.

Explanation:

Homeostasis is the ability of a system to regulate its internal environment through maintaining a stable, relatively constant set of properties such as temperature and PH. Key Terms homeostasis : The ability of a system or living organism to adjust its internal environment to maintain a stable equilibrium, such as the ability of warm-blooded.

Hope this helps.

4 0
3 years ago
Which of the following is NOT true about Earth?
irina [24]

A. Earth is a terrestrial planet whose orbit is found beyond the asteroid belt.

In reality, Earth's orbit is within the asteroid belt.

4 0
3 years ago
What does this mean? Include a valid conclusion that relates to the initial problem or hypothesis.
LUCKY_DIMON [66]
Hey there,
It means that y<span>our conclusion must be related to the given hypothesis. It must either prove or disprove it. 

Hope this helps :))

~Top
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8 0
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Which kind of investigations never include a hypothesis?
Elden [556K]

Discriptive investigation never include a hypothesis.

4 0
3 years ago
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