Description : Assertion (A) `:` Replication and transcription occur in the nucleus but translation occurs in the cytoplasm. Reason (R ) `:` m-RNA is transferred fro
Last Answer : Assertion (A) `:` Replication and transcription occur in the nucleus but translation occurs in the ... D. If both assertion and reason are false.
Description : Which of the following statements is correct? (A) a nucleo protein usually contain deoxy sugars of the hexose type (B) Nucleoproteins are usually absent from the cytoplasm (C) Nucleoproteins usually are present in the nucleus only (D) Nucleoproteins usually occur in the nucleus and cytoplasm
Last Answer : Answer : D
Description : Following events occur in the cytoplasm and not inside storage vesicles, except (a) Conversion of tyrosine to dopa (b) Conversion of dopa to dopamine (c) Conversion of dopamine to norepinephrine (d) Conversion of dopamine to 3,4 dihydroxy phenyl acetic acid
Last Answer : Ans: C
Description : Which does NOT occur in a cell stimulated by a steroid hormone? A) The steroid hormone enters the cell by crossing the plasma membrane. B) The hormone binds to a receptor molecule in the ... activates certain genes. E) DNA is transcribed, mRNA is translated, and the result is protein synthesis.
Last Answer : C) The second messenger cyclic AMP is stimulated by the hormone-receptor complex. D) The hormone-receptor complex binds the chromatin and activates certain genes.
Description : In which cell organelle do photo and thermochemical reactions occur in different sites ? -Do You Know?
Last Answer : answer:
Description : Which of the following reactions does not occur in Bessemer converter in the extraction of copper from chalcopyrites ?
Last Answer : Which of the following reactions does not occur in Bessemer converter in the extraction of copper from chalcopyrites ... 2Cu_(2)O rarr 6Cu + SO_(2)`
Description : Which one of the following reactions occur during smelting in the reduction zone at lower temperature(in iron metallurgy)?
Last Answer : Which one of the following reactions occur during smelting in the reduction zone at lower temperature(in iron ... CO` D. `CO_(2)+C rarr 2CO`
Description : Which one of the following reactions does not occur ?
Last Answer : Which one of the following reactions does not occur ? A. `BaO+O_(3)rarrBaO_(2)+O_(2)` B. `PbS+4O_(3)rarrPbSO_ ... (2)` D. `2Hg+O_(2)rarrHg_(2)O+O_(2)`
Description : Where in the chloroplast does light reactions of photosynthesis occur?
Last Answer : Light- independent reactions of photosynthesis occur in thestroma of the chloroplasts of a cell.
Description : Do displacement reactions only occur between halogens?
Last Answer : Also other elements can be involved.
Description : Do Chemical reactions occur at the same rate no matter what the size of the reactant particles?
Last Answer : Need answer
Description : When chemical reactions occur energy is always absorbed?
Last Answer : No, chemical reactions can be endothermic or exothermic.
Description : Template/lock and key theory of enzyme action is supported by (A) Enzymes speed up reaction (B) Enzymes occur in living beings and speed up certain reactions (C) Enzymes determine the direction of reaction (D) Compounds similar to substrate inhibit enzyme activity
Description : Enzyme catalysed reactions occur in (A) Pico seconds (B) Micro seconds (C) Milli seconds (D) None of these
Last Answer : Answer : C
Description : Where do most allergic reactions occur ?
Last Answer : Most of them occur on mucous membrane. Allergens enter the body by the process of inhalation or ingestion.
Description : The reaction in which the forward and backward reactions occur simultaneously is called?
Last Answer : Reversible reaction
Description : Dark reactions of photosynthesis occur in (a) granal thylakoid membranes (b) stromal lamella membranes (c) stroma outside photosynthetic lamellae (d) periplastidial space.
Last Answer : c) stroma outside photosynthetic lamellae
Description : Which one of the following aspects is an exclusive characteristic of living things? (a) Isolated metabolic reactions occur in vitro (b) Increase in mass from inside only (c) Perception of events ... memory. (d) Increase in mass by accumulation of material both on surface as well as internally
Last Answer : (d) Increase in mass by accumulation of material both on surface as well as internally.
Description : Ionic reactions occur in (A) Solid state only (B) Liquid state only (C) Solutions (D) Any state
Last Answer : (C) Solutions
Description : . Photo-chemical reactions occur in presence of (A) Sunlight (B) Darkness (C) Solid catalysts (D) Monochromatic radiation only
Last Answer : (A) Sunlight
Description : What is needed in order for reactions to occur at body temperatures? a. buffers b. acids c. bases d. enzymes
Last Answer : d. enzymes
Description : An ___________ solution which consists of solutes in water, is essential for chemical reactions to occur. a. hydrophobic b. aqueous c. covalent d. vitreous
Last Answer : b. aqueous
Description : In which cell organelle do photo and thermochemical reactions occur in different sites?
Last Answer : Chloroplasts
Description : An isolated system is one in which (a) mass does not cross boundaries of the system, though energy may do so (b) neither mass nor energy crosses the boundaries of the system (c) both ... system (d) mass crosses the boundary but not the energy (e) thermodynamic reactions do not occur.
Last Answer : Answer : b
Description : An open system is one in which (a) mass does not cross boundaries of the system, though energy may do so (b) neither mass nor energy crosses the boundaries of the system (c) both energy ... system (d) mass crosses the boundary but not the energy (e) thermodynamic reactions do not occur.
Last Answer : Answer : c
Description : Metabolism is carried out by a large class of proteins that decrease the activation energy required for chemical reactions inside a cell. Therefore they only facilitate reactions that would naturally occur at a much slower rate. What is the name of these proteins that speed up biochemical reactions?
Last Answer : Enzymes
Description : In protolytic reactions in which the reactants are much stronger as an acid and a base than the products, the proton transfer reaction: w) does not occur x) approaches completeness y) produces a much stronger acid and a much weaker base z) produces a much weaker acid and a much stronger base
Last Answer : ANSWER: X -- APPROACHES COMPLETENESS
Description : What is the function of the cytoplasm?
Last Answer : A: The cytoplasm is a gel-like substance that fills the interior of the cell and provides a medium for the movement of cellular organelles and other substances.
Last Answer : A: The cytoplasm contains org anelles and other cellular components, and is the site of many metabolic reactions.
Description : The breakdown of pyruvate to give carbon dioxide, water and energy takes place in (i) cytoplasm (ii) mitochondria (iii) chloroplast (iv) nucleus -Biology
Last Answer : The break down of pyruvate to give carbon dioxide, energy and water takes place in the presence of oxygen and is termed as aerobic respiration. This process takes place in the mitochondria of a cell.
Description : Distinguish between protoplasm and cytoplasm? -Biology
Description : The division of the cytoplasm is called? -Biology
Description : Difference between protoplasm and cytoplasm? -Biology
Description : What are the contents of the cytoplasm? -Biology
Description : What is the difference between the cytoplasm and protoplasm? -Biology
Description : Difference between cytosol and cytoplasm? -Biology
Description : Difference between cytoplasm and nucleoplasm. -Biology
Description : Cytoplasm vs plasma membrane? -Biology
Description : Why is pinching of the cytoplasm inadequate for cytokinesis? -Biology
Last Answer : Pinching of the cytoplasm inadequate for cytokinesis because plants cells also need to synthesize a new cell wall between the two new cells.
Description : How was cytoplasm discovered and by whom? -Biology
Description : What is the difference between cytoplasm and plasma? -Biology