Alveoli are found in lungs and exchamge O2 and Co2 !!
so answer is last one !!
Answer:
If the two magnets have their two N poles pointing up then when they are side by side they will repel each other but when they are head-to-tail they will attract.
Explanation:
so a positive and a negative will attract
Answer and explanation;
Nucleus; houses a cell's DNA and its processes include protein, replication and packaging for cell division. It is also the site for transcription.
Cytosol; coordinates a responsible to the environment, metabolism and motor proteins.
Endomembrane system; includes the nuclear envelope (surrounds nucleus), rough and smooth ER, golgi body, lysosomes?vacuoles, peroxisome and plasma membrane.
Semiautonomous organelles; mitochondria (animals) and chloroplast (plants) which provide energy for the cell.
Answer:
T T A G C C G T A A T G is the complementary DNA strand.
Explanation:
A=T G=C C=G T=A
this is the key to all DNA complementary strands.
(not sure what the "O" was at the end but- it's ok)
Hope this helps! :)
It gives you a sign that digestion is having a hard time taking place.
