Answer:
The answer for the blank is= Gene
Replication forkThe process by which DNA make copies of itself during cell
division is known as DNA replication. During DNA replication, the double helix
structure of DNA molecule is unzip by helicase enzyme which break the hydrogen
bond holding the complementary DNA base together. However, the separation of
the DNA strands will create Y shape called replication fork. Replication fork
will acts as template for creating new strands of DNA.
Answer:
Polar Bears
Polar bears have white fur which helps aid in camouflaging against the snow. They also have small rounded ears that act as a shield letting no water in to freeze ear drums and reduce heat loss.
Black Bears
Black bears absorb heat through their black skin. Their thick fur and fat act as an insulation and their large bodies reduce heat loss.
They both use their large claws and teeth to catch prey and provide for themselves
Explanation:
If you need any other examples of adaptions of bears let me know because there are a lot I just added the main ones!
This description is unspecific and is confusing...
The nose has different functions mainly for inhalation of oxygen and exhalation of carbon dioxide which is called the respiration process or gas exchange. As a sensory organ, the nose has also another function which is olfaction, the ability to smell.
Olfaction in a biopsychological term, is the process by which sensory information recognized by the nasal receptors are transduced in a understandable and recognizable stimulus or rather perception, in simplest term is to smell.
Therefore, nasal receptors are the structures that send messages to the facial nerve which is responsible for sending the information to the brain for it to be perceived and acknowledge.
Answer:
Cereals give carbohydrates which provide energy.
Pulses give proteins which build our body.
Vegetables and fruits provide vitamins and minerals.
