Answer:
Option (D).
Explanation:
Dolly was the first sheep cloned in the year 1997. The sheep has been cloned from the adult somatic cells. The sheep was cloned by Keith Campbell, Ian Wilmut.
The adult's cell nucleus was fused with the enucleated sheep egg. The egg was then incubated in the surrogate female. The telomeres of Dolly sheep was found to be shorter than the normal individuals.
Thus, the correct answer is option (D).
Fermentation is the process by which a carbohydrate molecule is broken down into alcohol and carbon dioxide in the absence of oxygen. During this process, two molecules of ATP is produced. In the absence of oxygen, pyruvate formed from glycolysis will undergo fermentation process. During the process of fermentation, NADH from glycolysis will be converted back to NAD+. This is necessary in order for glycolysis to continue. Thus, fermentation regenerate more NAD+ and only a few molecule of ATP.
Answer:
oceanography
Explanation:
This is because astronomy is the study of stars and celestial things. Biology is the study of life and organisms. Meteorology is the study of weather and atmospheric phenomena. Oceanography is the study of physical and biological properties of the sea.
Answer:
No ATP is available to release attached actin and myosin molecules.
Explanation:
Two to six hours later after death, all skeletal muscles of the body become rigid and stiff. This situation is defined as Rigor mortis. It occurs from the lack of ATP along with the production of lactic acid. When breathing stopped permanently in the body, oxygen level also reduced; that’s why body muscles cannot go for any aerobic respiration to produce any ATP.
As we know already, during every muscle construction, ATP needs to break the cross-bridge between Myosin and Actin. So if there is no ATP produced in the body, separation of Myosin molecules from Actin molecules cannot happen anymore. This situation leads for rigor mortis.
<h2>Answer is option "B"</h2>
Explanation:
- Opportunistic infections (OIs) are diseases that happen all the more frequently or are progressively extreme in individuals with debilitated resistant systems than in individuals with sound invulnerable systems. Individuals with debilitated resistant systems incorporate individuals living with HIV
- OIs are brought about by an assortment of germs (infections, microbes, organisms, and parasites). OI-causing germs spread in an assortment of ways, for instance noticeable all around, in body liquids, or in tainted nourishment or water
- On account of endogenous contaminations, we become tainted with our own microbes, our own microflora. This may occur if an obstruction among sterile and non-sterile tissues is broken, for example, with an entrail aperture.
- A patient with an undermined invulnerable system, for example, after chemotherapy, may get wiped out from a microbes effectively present in his/her body that becomes unchecked. A lethargic pathogen may likewise become reactivated and contaminate the host, for example, on account of tuberculosis
- Hence, the right answer is option B " Opportunistic, endogenous pathogen"
