ATP: Energy Currency of the Cell
Learn about ATP (Adenosine Triphosphate), its structure, discovery, and role as the primary energy currency in cells. Covers ATP's function in cellular respiration, active transport, and various biological processes requiring energy.
Questions
During phloem transportation sugar is moved in form of sucrose in to the companion cells and them into the living phloem sieve tube cells by -
- Passive transport
- Active transport
- Facilitated diffusion
- Osmosis
A root concentrates minerals by?
- Active transport
- Facilitated diffusion
- Osmosis
- Diffusion
Absorption of mineral elements from the soil occurs through
- Diffusion
- Active transport
- Osmosis
- All of the above
The process by which minerals get absorbed is
- Active absorption
- Passive absorption
- Both A and B
- None of the above
ATP is required for
- Active process
- Passive process
- All types of processes
- None of the above.
Which of the following shows that metabolic energy is required in the absorption of ions
- More ions absorption in presence of oxygen
- Less absorption of ions in presence of oxygen
- More ions absorption in presence of ATP
- More ions absorption in presence of NAD
Difference between active and passive modes of membrane transport is
- Active transport is confined to cations while passive is connected to anions
- Active transport is non-selective while passive one is selective
- Active transport requires metabolic energy while passive transport requires concentration gradients
- Active transport is more rapid.
Active transport of solutes in a living system is?
- Unidirectional
- Bidirectional
- Multidirectional
- Cyclic
Choose the correct answer from the alternatives given.
Active transport from outside to inside of molecules across a membrane requires:
- cyclic AMP
- acetyl chlorine
- ATP
- lecithin
Sucrose moves into sieve tube elements by?
- Diffusion
- Endosmosis
- Active transport
- Exosmosis
Energy currency/coin of cell is
- ATP
- NAD
- ADP
- GDP
Which of the following is energy rich compound formed in cellular respiration?
- ADP
- Glucose
- Water
- ATP
- Oxygen
Which one of the following is known as energy currency of cell?
- Adenosine diphosphate
- Adenosine triphosphate
- Pyruvate
- Glucose
ATP was discovered by
- Lipmann
- Lohmann
- Blackman
- Bowman
In which molecule is energy stored in the body?
- RNA
- DNA
- ADP
- ATP
In structure ATP is similar to
- DNA (deoxyribonucleotide)
- RNA(ribonucleotide)
- Ribonucleoside
- Deoxyribonucleoside
The energy necessary for active transport across cytoplasmic membranes is believed to come from
- ATP
- Diffusion
- Osmosis
- Kinetic energy
The common immediate source of energy for cellular activity is
- NAD.
- ATP.
- DNA.
- RNA.
The currency of energy in a typical living cell is
- ATP molecule.
- ADP molecule.
- Glucose molecule.
- Haemoglobin molecule.
Which of the following elements is needed as a component in cell membranes, nucleic acids and energy transfer?
- Sulphur
- Phosphorus
- Calcium
- Potassium
The assimilatory power in photosynthesis is
- ATP.
- NADPH.
- ATP and NADPH$ _2$.
- ATP, NAPDH and CO$ _2$.
Organisms undergo processes that require energy and produce energy. Processes such as photosynthesis, cellular respiration, reproduction, and movement are just a few of these processes. Which of these best describes the energy available to do cellular work?
- Heat
- Free energy
- Potential energy
- Kinetic energy
Which of the following is called energy currency of the cell?
- ATP
- NADP$H _2$
- $C _6 H _{12}O _6$
- $C _2 H _5$OH
In ATP, high energy bond is present between
- Nucleoside and phosphate group
- Sugar and phosphate group
- Base and phosphate group
- None of the above
Which one forms ATP?
- Fe and P
- N and P
- Fe and Mo
- Mg and Mn
Energy liberated during respiration is stored as
- ATP
- ADP
- FAD
- NADP
ATP is
- Adenine triphosphate
- Adenosine tetraphosphate
- Adenosine triphosphate
- Adenine tetraphosphate
When ATP molecules is hydrolysed in ADP, then the quantity of energy released is about
- 120 cal
- 1,200 cal
- 12,000 cal
- 1,20,000 cal
Common immediate source of energy in cellular activity or energy currency of the cell is
- DNA
- ATP
- RNA
- NAD