The answer is B. a nucleus.
Prokaryotic cells do not have a nucleus. They have ribosomes, a cell membrane, a cell wall, and DNA, but lack a nucleus. Prokaryotes also don't have mitochondria or chloroplasts and generally lack organelles.
<span>The middle childhood is the period between ages 7 and 11.</span>
One of the major advances in brain function in middle childhood is the development of automatization. Children this age can master plenty of skills with a little motivation and a lot of practice.
<span>They also immerse themselves in play and it is important for them to get a lot of healthy, physical activity.</span>
Answer:
The oxygen dissociation curve represents the percentage saturation of Hb with oxygen at different partial pressure of oxygen. The different partial pressures gives sigmoid shapes to the curve. When this curves shifts to right, it indicates low affinity or binding of oxygen by the Hb. it also indicates the unloading or releases of Oxygen by Hb molecules at condition of low pressure. e,g in the muscles during strenuous exercise.However, when the curve shifts to the left, this indicate high affinity for oxygen, great binding, at high partial pressure of oxygen.e,g in the lungs to take oxygen and releases CO2.
Therefore in this scenario, the statement -. <u>During strenuous exercise, the oxygen-hemoglobin dissociation curve shifts to the right.</u> is correct. because oxygen is needed by the muscles therefore ,oxygen should be less binded by Hb, decrease affinity and easily unloaded to muscles.
<u>The statement </u>This rightward shift reflects an increase in the affinity of hemoglobin for oxygen and favors loading of O2 into hemoglobin in the lungs is wrong.
As explained above the rightwards shift indicated low affinity of Hb for oxygen(unloading)and favours unloading at the muscles because during strenuous exercise the partial pressure of oxygen is very low(but that of CO2 high) in the muscles which favours low oxygen molecules binding by Hb, and easy release to respiring cells.
Explanation:
What is the scientific name of a panda a Ailuropoda melanoleuca
Hypnosis is used as an alternative treatment to relieve pain, stress , depression, panic , Gi influx etc.
Some concern in the use of hypnosis for any treatment areincomplete waking up of the patient, Appearance of new symptoms, mental trauma due to recaptulation of some memories, misuse of dependence of the patient by the hypnotist etc.
Explanation:
- Hypnosis involves the method of focusing the subjects mind on a particular thing in a way so that he gets diverted from the surroundings and peripheral stimulus.
- This relieves stress and pain in patients so that a medicine gets its time to act.
- Hypnosis has been legalised but there are certain ethical and psycological concerns about it.
