Answer A because proteins help move large molecules through the cell membrane
ANSWER ( Convergent plate boundaries )
At convergent plate boundaries, oceanic crust is often forced down into the mantle where it begins to melt. Magma rises into and through the other plate, solidifying into granite, the rock that makes up the continents. Thus, at convergent boundaries, continental crust is created and oceanic crust is destroyed.
Answer:
Monospermy and Physiological Polyspermy. In general, the entry of more than two spermatozoa into the egg cytoplasm, referred to as polyspermy, causes aberrant effects on meiosis completion or embryo development and hence embryonic death, due mainly to excess male centrosomes delivered into the egg.
Explanation:
Answer:
pedical. a small stalklike structure connecting an organ
thalamus. is a small structure within the brain
calyx. sepal of a flower
epicalyx. is a group of bract resembling calyx
petals. they sorround the reproductive parts of flower
stigma is a part of the female reproductive system
anther the part of a stamen that contains the pollen
filament. support anther where pollination takes place
ovary where fertilisation takes place
After a molecule of DNA replicates, two double-stranded molecules are formed. This results in a total of four strands of DNA.