Answer:
THE THREE MAIN COMPONENTS OF ANY PLANT OR ANIMAL CELL ARE:
1. PLASMA MEMBRANE/ CELL MEMBRANE
Structure- a bilipid membraneous layer composed of proteins and carbohydrates. It is fluid like.
Function - the cell membrane separates the cell from its external environment, and is selectively permeable (controls what gets in and out). It protects the cell and provides stability.
Proteins are found embedded within the plasma membrane, with some extending all the way through in order to transport materials.
Carbohydrates are attached to proteins and lipids on the outer lipid layer.
<span>Because of semi-conservative replication in DNA synthesis, One of the strands of the new DNA molecule is original and one of the strands of the molecule is composed of new nucleic acids.</span>
In the pulmonary circuit, veins carry oxygen rich blood, and in the systemic circuit, veins carry oxygen poor blood.
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Pulmonary and Systemic Circuit of the Cardiovascular system</h3>
The Cardiovascular System concerns all relations and interaction with the heart . It consists of
- Systemic circuit
- Pulmonary Circuit
The Systemic circuit is responsible for carrying oxygenated blood away from the heart and pumps it towards the organs and tissues of the body and returns it to back to the heart as deoxygenated blood
While the Pulmonary Circuit carries deoxygenated blood away from the heart towards the lungs and also brings it back as oxygenated blood to the heart again.
Read more on the Pulmonary and Systemic Circuit here: brainly.com/question/9705408
This statement is true.
Chitin is a polysaccharide made up of N - acetylglucosamine .
Fungi cell walls are made of chitin. Chitin is also the major ingredient of the exoskeletons of crustaceans and arthropods. Spiders, beetles, butterflies, lobsters, shrimps and crabs all have chitin in their protective armor.
when intermixed with protein and other pigments, it forms different levels of hardness and a variety of distinct colors. Alone, chitin appears translucent and not hard. In arthropods, it is secreted by epidermal cells.
