Answer:
The force produced by the output piston is 400 N.
Explanation:
Given;
area of the input piston, A₁ = 50 cm²
area of the output piston, A₂ = 200 cm²
load on the input piston, F₁ = 100 N
Let the force produced by the output piston, = F₂
From Pascal's principle, the ratio of the input force to the input area is equal to the ratio of the output force to the output area.
Therefore, the force produced by the output piston is 400 N.
Answer:
To complete the question: a diploid organism has four pairs of chromosomes what proportion of gametes would be expected to contain some chromosomes from both parental and maternal origin? assume that there is no crossing over
Answer: 7/8
Explanation:
A diploid organism with four pairs of chromosomes...
Assume that the organism receives chromosomes A, B, C and D from the female parent and A', B', C' and D' from the male parent.
Proportion of gametes from patterns origin is the same as that of matters origin, this we have:
(1/2)^4 = 1/16 where 4 reps the number of possibilities, 1/2 rep the chance
Thus, the proportion of gametes expected to contain some chromosomes from both parental and maternal origin would be
(1 - (1/16 + 1/16)) = 14/16 = 7/8
Pretty sure it’s c, sorry if I’m wrong tho. Hope this helped :)
Answer:
e. water loss through evaporation across the respiratory surface can be minimized
Explanation:
<em>Exchange of gases, otherwise known as respiration is an important process in living organisms during which food material within the body is broken down to unlock their energies for the functioning of living organisms.</em>
During gaseous exchange, oxygen gas diffuses into respiratory tissues and dissolves on respiratory surfaces while carbon dioxide diffuses in the other direction.
Respiratory surfaces are usually thin walled with moist inner surfaces that enables the dissolution of gases. Depending on the atmospheric temperature, respiratory surfaces in terrestrial organisms are at varying risks of losing moisture to the atmosphere due to evaporation.
In aquatic organisms however, evaporation from respiratory surfaces is minimized as the immediate environment is water.
Options a to d are not entirely true about water and respiration.
The correct option is e.
