The inferior vena cava brings deoxygenated blood back into the heart from the lower body. For comparison, the part that directs deoxygenated blood from the upper body is the superior vena cava.
Answer: Symptoms of potassium deficiency appear on the lower portion of the plant first with chlorosis (yellowing) at the leaf margins followed by necrosis (death). Potassium deficiency can be caused by soil pH, extreme liming or calcium rich areas of fields, lack of soil oxygen or true soil deficiency.
The answer would be:
DNA : A A T T G C
mRNA: U U A A C G
The base pairings in mRNA is essentially the same, T to A, G to C however, uracil with substitute thymine to pair up with an Adenine base. In summary:
G to C C to G
A to U T to A
B) left ventricle → left atrium → pulmonary artery
It means that you can adapt to the conditions around you. I hope this helped you out! <span>(っ˘ω˘ς )</span>