In cacti, long arms (A) are dominant to short arms (a). Suppose 2 heterozygous cacti are crossed. What percentage of their offspring are expected to have short arms? (Hint! Do a monohybrid cross)
O a
Ob
Oc
Od
25% short
50% short
75% short
100% short

just go with your heart buddy

a- all cells come from pre-existing cells

thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. other possible causes include: exposure to ultraviolet rays and aging skin are common causes of senile purpura. senile purpura may also be a sign of collagen loss in the skin and bones.

the answer is c. it will give up it's valence electron to the other atom.