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प्रश्न
Which of the following is known as the energy currency of the cells in biology?
विकल्प
DTP
PDP
ATP
DDT
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उत्तर
ATP
In biology, ATP is known as the energy currency of a cell. It is a high energy molecule that stores the energy.
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संबंधित प्रश्न
Out of photosynthesis and respiration in plants, which process occurs:
(a) all the time?
(b) only at daytime?
Fill in the following blank with suitable word:
The actual exchange of gases takes place in the ___________ of the lungs.
What is meant by aquatic animals and terrestrial animals?
Why is diffusion insufficient to meet the oxygen requirements of large multicellular organisms like humans?
Lack of oxygen in muscles often leads to cramps in the legs of sprinters. This is due to the conversion of pyruvate to:
There are five animals P, Q, R, S and T. The animal P always lives in water and has gills for breathing. The animal Q can stay in water as well as on land and can breathe both, through moist skin and lungs. The animal R lives in soil and breathes only through its skin. The animal S lives on land and breathes through spiracles and tracheae. And animal T lives in water and breathes through its cell membrane.
(a) Which of the animals could be Amoeba?
(b) Which of the animals could be frog?
(c) Which animal could be fish?
(d) Which animal could be grasshopper?
(e) Which animal could be earthworm?
Name the body structure concerned with the given functional activity:
Transports oxygen to the body cells.
Name the body structure concerned with the given functional activity:
Protects the lungs from mechanical injury
Match the items in Column I with the ones most appropriate in Column II. Rewrite the matching pairs.
|
Column I |
Column II |
|
(a) Alveoli |
(i) where aerobic respiration takes place |
|
(b) Bronchioles |
(ii) lined with hair |
|
(c) Nasal Chamber |
(iii) diffusion of gases |
|
(d) Bronchi |
(iv) small air tubes |
|
(v) an inverted Y shaped tube |
|
|
(vi) a common passage for food and air |
Given below is an example of certain structure and its special functional activity:
"Kidney and excretion".
Fill in the blanks on a similar pattern.
'C' shaped cartilage rings and ____________.
State one function of the following:
Ciliated epithelium lining the respiratory tract
Give suitable explanation for the following :
Why does a person feel breathlessness at higher altitudes?
Define respiration.
Air that enters through the nose passes into this tube.
The partial pressure of oxygen of blood in pulmonary capillaries is i ______ mrnHg while in alveolar air it is ii ______ mmHg.
Name the substances whose build-up in the muscles during vigorous physical exercise may cause cramps?
The Figure shown below represents an activity to prove the requirements for photosynthesis. During this activity, two healthy potted plants were kept in the dark for 72 hours. After 72 hours, KOH is kept in the watch glass in setup X and not in setup Y. Both these setups are air tight and have been kept in light for 6 hours. Then, Iodine Test is performed with one leaf from each of the two plants X and Y.
The function of KOH is to absorb ______.
Sometimes when we do heavy exercise, anaerobic respiration takes place in our muscle cells. What is produced during this process?
During the process of exhalation, the ribs move ______.
