1-11 1-11 following structure are found in both prokaryotic and eukaryotic cells
ID: 279840 • Letter: 1
Question
1-111-11
following structure are found in both prokaryotic and eukaryotic cells except (a) mitochondrion (b) ribosome (c) cytosol d) plasma membrane 12 be t 2 What is the maximum total magnification of ligh 00X ) 1000x 5x 3. The microscopy that scans the specimen with a focused laser beam to obtain a series of two- dimensional optical sections, which can be used to reconstruct an image of the specimen in three dimensions TEM (b) Confocal uorescence 4. The organelle found in all eukaryotic cells that confines the DNA and keeps them separated from the cytoplasm is e) nucleus a) lysosomes b) ribosomes 5. Which of the following organelles has both an outer and an inner membrane? (a) rough ER (c) nuclear envelope lysosome lgi apparatus 6. The scientific name of flat worm, which is arn excellent experimental organism used to study developmental biology, is (a) E coli c S cerevisiae (b) D. melanogaster C elegans 7. Which subatomic particles contribute to the positive charge for any given element? (a) protons (b) neutrons c) electrons protons and neutrons 8. The isotopes of an element is due to the different umber of a)electrons (c) protons (d) ions b) neutrons 9. An ionic bond between two atoms is formed as a result of the a)sharing of electrons. (c) sharing of protons (b) transfer of electrons (d) transfer of protons 0. What is the valence of carbon 11. DNAs are polymers of molecules (o) nucleosides() nucleotides
Explanation / Answer
1. The correct option is (a) mitochondrion.
Mitochondrion is found in eukaryotic cells only.
2. The correct option is (d) 1000x.
The maximum magnification obtained by light microscope is 1000x.
3. The correct option is (c) confocal.
Confocal microscopy scans the specimen with a focused laser beam to obtain a series of two-dimensional optical sections, then are used to reconstruct an image of the specimen in three dimensions.
4. The correct option is (c) nucleus.
Nucleus contains the DNA and seperates from cytoplasm.
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