According to <span>Chargaff's Rules, concentration of adenine is equal to the concentration of thymine. Therefor if adenine= 40% thymine= 40%.
BUT this only works for double strand DNA.The possibility of Adenine= 40% and Thymine= 60% is only in a single stranded DNA molecule.
Hope I helped</span>
Plantae, Animalia, and Fungi
Hope this helps :)
Answer:
it’s a spore
Explanation:
it should be a spore. It’s because the spore is the haploid.
Answer:
Pulmonary arterioles <u>constrict</u> and system arterioles <u>dilate</u> when PO₂ is low.
Explanation:
Oxygen partial pressure (PO₂) is a blood perfusion parameter that indicates the O₂ concentration in the blood, related to the O₂ available in the lung alveolus or in the body tissues, at a given time.
Since gas exchange depends on the amount of O₂ and CO₂ -which determines both PO₂ and PCO₂- blood circulation and lung ventilation, a decrease or increase in PO₂ will result in significant vascular changes to ensure O₂ flow in the body.
- When the PO₂ in the alveolus decreases, the pulmonary arterioles contract, to redirect the blood to other better ventilated alveoli.
- In the tissues, a decrease in tissue PO₂ causes arterioles dilatation, which should promote the arrival of O₂ in that tissue.
<em>These adaptations make it possible to increase the bioavailability of O₂</em>
<em>and thus increase the PO₂</em>.
Learn more:
PO₂ at the arterial ends of the pulmonary capillaries brainly.com/question/9501095
