biology ch.2 cells

A

cytoplasm

B

cell membrane

D

smooth endoplasmic reticulum

A

chloroplast

B

mitochondrion

C

large central vacuole

nucleus contains a genetic material of the cell and this material carries genetic information

DNA

nuclear is a ____ structure bounded by a double membrane called _______.

spherical, nuclear membrane

whats the thing in the pic

nucleolus

cytoplasm is a _____ fluid that consisting of mainly ___ and ____.

jelly-like, water, proteins

cytoplasm holds many ____ (e.g. nucleus and mitochondria)

organelles

cytoplasm is the site for many ___.

chemical reaction

cell membrane is a ___ and ____ membrane.

thin and flexible

cell membrane is mainly made up of ____ and ____.

phospholipids and proteins

it is ________ ie cell membrane only allows certain substances to pass through.

differentially permeable

cell membrane _____ of substances into and out of the cell.

controls the movement

it is present in all plant cells but not in animal cells

cell wall

cell wall is a thick, ____ outermost layer mainly made up of _____.

rigid, cellulose

cell wall is _____, ie it allows water and all dissolved substances to pass through.

fully permeable

cell wall _____,_____ and ____ ____ to the plant cell.

protects, supports and gives shape

answer all three from top to bottom

cell membrane, cell wall, cell wall of adjacent cell

endoplasmic reticulum is a network of _____ _______ ___

interconnected membrane-bounded sacs

it is a continuous with the outer nuclear membrane and extends throughout the cytoplasm.

endoplasmic reticulum

with ribosomes and is a site for the synthesis of proteins

rough endoplasmic reticulum

without ribosomes and is a site for the synthesis of lipids

smooth endoplasmic reticulum

a small particle not surrounded by a membrane

ribosome

ribosome is involved in the ___ ___ ____.

synthesis of proteins

it is bounded by a double membrane and the inner membrane is highly folded.

mitochondrion

mitochondrion is the main site of ______.

respiration

the no. of mitochondria in a cell is related to the ______ _____ of the cell.

energy requirement

muscle cell required energy for ____.

contraction

enzyme-secretin cell required energy for ____.

synthesis of enzymes

epithelial cell in the inner wall of the small intestine required energy for ____.

absorption of nutrients

liver cell required energy for ____.

high level of metabolic activities

it is present in green plant cell

chloroplast

chloroplast is bounded by _____, with a network of membrane inside

double membrane

chloroplast contains a green pigment called ___, which captures light energy and converts into chemical energy in food in ______.

chlorophyll, photosynthesis

____ ____ are often present inside because some of he glucose produced during photosynthesis is converted into starch and temporarily stored in chloroplast.

starch grains

most animal cells have a few and some don’t have any

vacuole

vacuole is a fluid-filled sac bounded by

single membrane

plant cell often have a ________. it contains ____ ___, which is a liquid containing water and dissolved substances such as glucose , pigments and waste.

large central vacuole, cell sap

plant cells become ___ when the large central vacuole is full of water

turgid