The answer is C. The first option is highly unlikely, the second option is impossible, and C is a much more likely answer than D.
the 2o amino acids vary structure by the r-group , otherwise all amino acids are in the same structure, all amino acids have carboxyl group , amino group and a r-group and a hydrogen which are all bonded to a central carbon,
Answer:
In the adult heart, blood in the right chambers of the heart cannot enter the left chambers without passing through the lungs. (Ans. A)
Explanation:
In heart, heart muscle cells is responsible for the circulating the blood throughout the body. The heart contains four chambers, two upper called as atrium and two lower called as ventricle, 1 atrium and 1 ventricle present on both right and left sides of the heart.
Blood which is returning from other parts of the body and is no longer oxygen rich, enters from the top right chamber of the heart. Than this blood is pumped into the right vertical and through the pulmonary artery into the lungs for absorb more oxygen.This oxygen rich blood is then pumped into the top left chamber present in the heart, and then into the lower left chamber before being pumped out into the body from the aorta.
So, the answer is A.
Explanation:The excretory system is the system of an organism's body that performs the function of excretion, the bodily process of discharging wastes. ... There are several parts of the body that are involved in this process, such as sweat glands, the liver, the lungs and the kidney system. Every human has two kidneys.
Answer:
Maize is monocot and fibrous roots whereas mustard is dicot and tap roots system.
Explanation:
The main difference between maize plant and mustard plants is that Maize is a monocot plant means only one cotyledon in their seed whereas Mustard are dicot which means having two cotyledons. Maize plant has a fibrous root system whereas mustard plant has tap root system. The leaves pf maize plant have parallel venation while on the other hand, the leaves of mustard having reticulate venation. The seeds of maize is bigger in size as compared mustard seed.
