Why is plasma membrane called selectively permeable membrane
Plasma membrane called selectively permeable membrane because it pass only selected substance in or out through the cell. What is […]
Beginner Guides, Class 9
Solutions
Explain corrosion and rancidity with example
Corrosion and Rancidity play an important role in our daily life. Corrosion and Rancidity are the most popular terms in
Solutions
What is a homogeneous mixture
What is Mixture ? When two or more substance are mixed together without undergo any chemical reaction then it said
Beginner Guides
What happens when egg shell is added to nitric acid?
We know that egg shell is mostly made up of Calcium Carbonate and when calcium carbonate is react with nitric
Beginner Guides
Real Notes Viewer WordPress Plugin
Real notes Viewer is a WordPress plugin that help you to insert important notes, points, attention catching words, offers, discount
class10_chemistry
Why is respiration considered to be an exothermic reaction
Answer 1: Those chemical reactions in which a large amount of heat is produced with by product is called exothermic
class9_biology
Which of the following option(s) of the pairs of cell organelles are correctly placed under the given categories?
Option Present in the plant cells Absent in the animal cells (i) Leucoplast Cell wall (ii) Mitochondria Ribosome (iii) Cell
class9_biology
Look at the diagram of a cell in Fig. 2.20. Identify the parts labelled from (a) to (g) and correctly match them with their functions given below
(i) Controlling all the activities of a cell. Controls all the activities of the cell. (ii) Site of cellular respiration.
class9_biology
Two similar animal cells are placed in two different solutions:
Cells are observed after some time. Cell X swells, and Cell Y shrinks. Which statement provides the correct explanation for
class9_biology
Differentiate between the following pairs of terms based on the clues given in parentheses:
(i) Cell membrane and cell wall (permeability) Cell Membrane Cell Wall Selectively permeable is present Freely permeable is present Present