Because it has no scientific explanation. As a matter of fact it has no explanation.
The things that black cats cause bad luck are a myth, and do not have any proof or explanation, meaning it cannot be concluded neither as a hypothesis nor scientific.
Hope it helped,
BioTeacher101
Answer:
Locomotion is essential for various internal and external bodily functions
Explanation:
Locomotion is the art through which our body exhibit various functions and also escapes various condition of environment.
For instance –
a) Through movement of limbs, actions such as running, walking, jumping, crawling, swimming, etc are performed.
b) Movement of body parts and joints helps in taking different comfortable postures.
c) Even some body parts move even when it is not essentially vital for the function being performed such as movement of eyeball and external ear while swallowing food.
d) Movement of nutrients and blood with in the circulation system and digestive system.
e) Movement of sense organs when exposed to extreme environmental conditions.
Answer:
Deletion.
Explanation:
Cystic Fibrosis is caused by a Deletion Mutation in Chromosome 7. It is a recessive disorder that is hereditary.
Order:
1) A substrate enters the active site of enzyme.
2) The enzyme and substrate bind to form an enzyme substrate complex.
3) The chemical reaction occurs
4) New substances called ‘products’ are formed.
Answer:
The answer is b) increased production of heat-shock proteins
Explanation:
High temperatures release a cascade of signals that drive the expression of some genes and the synthesis of so-called stress proteins, whose function is to stabilize the structure of proteins and enzymes and are involved in the protection of the photosynthetic system and stabilization of the membranes. Plants produce antioxidant and detoxifying enzymes to reduce the damage caused by reactive oxygen species, since the production of these substances is caused by heat stress.
