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Cells Tissues Study Guide Key

Cells Tissues Study Guide Key

Tissue And Membrane Study Guide

W h a t i s t h e sm a l l est u n i t of l i f e? W h a t a r e t h e 3 p a rt s of t h e cel l t h eory? - A l l l i v i n g t h i n g s a r e m a d e of on e or m ore c el l s - C e l l i s th e b a si c u n i t o f l i f e - A l l cel l s com e f rom p re- ex i st i n g cel l s 3.

C om p a r e an d c on t r a s t p l a n t a n d a n i m a l c el l s. P l a n t: cel l w a l l, ch l o ro p l a st, l a rg e v a cu o l e, re g u l a r r ec t a n gu l a r s h a p e - A n i m a l: n o cel l w a l l, n o ch l orop l a st, sm a l l / n o va cu ol e, i rr eg u l a r c i rc u l a r sh a p e - B ot h: c el l m em b r a n e, n u c l eu s, c yt op l a sm, m e m br an e bo u n d o r gan e l l e s 4. G i ve a n exa m p l e of a eu k a ryot i c c el l a n d p r ok a ryot i c cell. E: p l a n t, a n i m a l, f u n g i - P: b a ct eri u m.

W h a t i s an or ga n el l e? - st ru ct u re w i t h i n t h e cel l t h a t p erf orm s a sp eci fi c f u n ct i o n 6.

Plant Cells And Tissues Study Guide Answer Key

G i v e t h e f u n ct i on of t h e f ol l ow i n g org a n el l es: a. N u c l eu s - st ore s g en et i c i n f o rm a t i on; con t rol s t h e ce l l ’ s a cti v i ti e s b. M i t oc h on d r i a - p rod u ces t h e cel l ’ s e n erg y; a ct i v e cel l s h a ve l ot s of m i t och on d ri a c. Ch l o ro p l a st - c on t a i n s g r een p i g m en t; a ss oc i a t ed w i t h p h ot os y n t h esi s d. L y sosom e- d i g est s a n d g et s r i d e of w a st e e.

Chapter 3 Cells And Tissues Study Guide Answer Key

V a cu o l e - l a r ge sp a c e i n w h i c h w a t er, w a s t e, a n d n u t ri en t s a re st ored f. Ri b oso m e- si t e of p r ot ei n sy n t h esi s ( m a k es p rot ei n ).

The immune system in the body refers to the cells, tissues, and organs, which act as host defense system providing resistance to infection while restricting invasion of foreign body at the same time. It acts as primary barrier of resistance to the body through two phases including dealing with acute infection, restricted its spread in other functional and non-functional body parts, and prevention of infection in the future. Cells of the immune system: 1. Lymphoid cells: They get activated on the interaction with cell surface receptors via cognate antigen. These are antigen specific cells, found in blood, lymph, and lymphoid tissue.

These include: a) B-cells: These are involved in production of antibodies. It is also responsible for humoral immunity response (HIR). B) T-cells: These cells assist the B-cells and are involved in the cell-mediated immunity (CMI). Myeloid cells: These cells are antigen non-specific in function, which assist in necessary accessory functions involved in the activation of lymphocytes.

These include: a) Dendritic cells: They are responsible to carry antigen to the lymphoid tissue. B) Monocytes: These are also known as macrophages that participate in the activation of T-cell. C) Granulocytes- They comprises of eosinophils (resistance to parasite), basophils, and neutriphils. Organs of the immune system are: The organs of the immune system can be divided into two categories: 1.

Primary lymphoid organs: These include thymus and spleen. Secondary lymphoid organs: These include spleen, tonsils, lymph vessels, lymph nodes, adenoids, skin, and liver. Get Definitions of Key Science Concepts from Chegg In science there are many key concepts and terms that are crucial for students to know and understand. Often it can be hard to determine what the most important science concepts and terms are, and even once you’ve identified them you still need to understand what they mean.

To help you learn and understand key science terms and concepts, we’ve identified some of the most important ones and provided detailed definitions for them, written and compiled by Chegg experts.