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Consider the following statements regarding Cell organelles: 1. Cells that have membrane bound nuclei are called eukaryotic. 2. Prokaryotic and Eukaryotic cells, a semi - fluid matrix called cytoplasm. Which of the statements given above is/are correct?
Eukaryotic cells are significantly larger than prokaryotic cells. What is range of the size of the Eukaryotic cells?
Which of the following statement(s) is/are CORRECT for antigen activated effector T cells?
P. CD4+ cells make contact with macrophages and stimulate their microbicidal activity.
Q. CD4+ cells make contact with B cells and stimulate them to differentiate into plasma cells.
R. CD8+ cells make contact with B cells and stimulate them to differentiate into plasma cells.
S. CD8+ cells make contact with virus infected cells and kill them.
Consider the following statements: 1. Eukaryotic cells are cells without a nucleus and are found in single-celled organisms. 2. Prokaryotic cells are cells that contain a nucleus and they are found mainly in multicellular organisms. Which of the statements given above is/are correct?
With reference to the cell, consider the following statements: 1. Each cell acquires its structure and ability to function because of the organization of its membrane and organelles in specific ways.  2. Cells are enclosed by a plasma membrane composed of lipids and proteins. 3. Most plant cells have large membranous organelles called plastids, which are of two types – chromoplasts and leucoplasts. Which of the above statement is/are correct?
In the question two statements are given, followed by two conclusions, I and II. Read all the conclusions and then decide which of the given conclusions logically follow/s from the given statements. Statements: All white blood cells are red blood cells. Some blood cells are red blood cells. Conclusions: I. All blood cells are red blood cells, is a possibility. II. Some red blood cells are not blood cells.
What do eukaryotic cells have that prokaryotic cells do not?
Prokaryotic cells are significantly smaller than eukaryotic cells. What is its relative size?
n the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of thefour alternatives. The rising sun has great inner ______. Not just to ______ the new morning right after the dark night, but also the new rhythms and vibrations within existence. Theentire universe – including the trees, birds and flowers – wake up to the rising sun. When we listen to the birds chirping and see the flower petals open, rememberthat the sunrise is not just a great happening on the outside. If we are alert and aware, then the sunrise is also happening deep within us. Something within ourselvesis also ______ with the first rays of the sun. We just need to be sensitive and available; we just need to be ______. Like the outside world, we need to open the inner doorto let the new dawn enter within. Just open the window of our inner world and allow the beautiful experience of sunrise to ______ within ourselves – this experience isbeyond anything earthly. sunrise to ______ within ourselves
Consider the following statements regarding the Structure of cells: 1. Both Animal & Plant cells comprise amyloplast within the cell membrane. 2. Plant cells have plasmodesmata channels whilst animal cells do not. 3. Vacuoles in both plant cells & animal cells are always filled with solid substances. Which of the statement given above is/are not correct?