Recent questions in Cell Structure and Formation

adenine, guanine are __ while cytosine, thymine and uracil are _

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Chitin is a_ and cellulose is a __

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How is starch different from cellulose

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Match the following:

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which of the folowing is not true of proteins

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What percentage of the cellular mass is water

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which of the following is not strictly a macromolecule?

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_____ is not an example of secondary metabolite

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cytidine is a

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Lecithin is an example of

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Arachidonic acid is

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which of the following is not an aromatic amino acid

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Amino acids are substituted on the ____ carbon

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_ give rise to spindle apparatus during cell division in animal cells and _ form the basal body of cilia or flagella.

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Name the type of chromosome :

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In both blants and animal cells ,membrane bound minute vesicles called ________ contain many enzymes

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match the following with the type of chromosome :

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The chromosome contains a constriction called and shows the presence of disc shaped structures in the sides called __

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__________ is the center of active rRNA synthesis

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__________ cells lack nucleus

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the nucleus is stained by ____dyes

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the cilium and flagellum emerge from centriole-like structure called the

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the core of a cilium is called

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Label parts A,B,C and D

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the chloroplast contains flattened discs called _ which are piled to form ______

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majority of the chloroplasts of the green plants are present in

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The mitochondria divides by

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the ribosomes present in the mitochondria are of the type

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Which of the following in a cell is easily not visible under the microscope

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in amoeba the contractile vacuole is important for

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the vacuole is bound by a membrane called

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the lysosomal enzymes are optimally active at

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In the golgi complex, the cis-is the _ face while the trans is face. a.forming,maturing b. convex,concave c.maturing , forming d.concave,convex

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the flat, disc shaped sacs of golgi bodies are called

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Rough ER is associated with synthesis while Smooth ER carries out synthesis

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---------- are found attached to the surface of ER thus helping us to distinguish Rough ER and Smooth ER

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the endomembrane system does not include

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the cell wall and middle lamella are traveresed by __________, which connect the cytoplasm of neighbouring cells.

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Name the mineral that constitutes the algal cell wall

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Match the following: 1. Passive transport--a. Energy independent transport 2. Activ e transport--b. Energy dependent transport 3. Osmosis-- c. movement of water from higher to lower solute concentration 4. Diffusion---d. movement of neutral solutes from region of their higher to lower concentration ---e. movement of neutral solutes from region of their lower to higher concentration

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the fluid mosaic model was proposed by

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the most wide accepted model of plasma membrane is

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Major regions of an intergral membrane protein are _ while that of a peripheral membrane protein are __

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In the plasma membrane, the orientation of the lipids is such that

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Plasma membrane is mainly composed of

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eukaryotes include all except

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which of the following is not an example for inclusion body

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When we called the subunit of ribosome "70S", "S" stands for

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chain of ribosomes is called

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ribosomes are the site of

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