Answer;
Phospholipid.
Phospholipid forms a double layer as the primary structure of cell membranes.
Explanation;
Cell membranes contains of lipids (phospholipids and cholesterol), proteins and carbohydrates groups that are attached to some of the lipids and proteins.
Phospholipids are composed of a polar head and non-polar (hydrophobic) tail. They line up such that the heads and the tail groups are side by side to form a single layer due to the interactions between the head groups and the tail groups. Two of these layers line up with the hydrophobic tail groups facing each other to prevent the hydrophobic groups away from the polar head groups of other phospholipids and from the water in the surrounding environment.
Answer:
a polymer is a large unit comprised of monomer
Answer:
The correct answer is- Lophotrichous
Explanation:
There are four types of bacteria based on the presence and distribution of flagella on them. The bacteria which have only one flagellum at one pole that bacteria is called monotrichous.
The bacteria which have single flagella at both sides are called amphitrichous. Bacteria that have numerous flagella distributed evenly on their body surface are called Peritrichous.
The bacteria which have a tuft of flagella attached on one side or pole are called lophotrichous. Therefore the correct answer is lophotrichous.
Answer:
C.
Explanation:
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Answer:
A: Plants and animals exchanging gases with the atmosphere
Explanation:
becaue they both give gas to atmospher
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