Nombre una alternativa correcta. Un tejido estan formados por la union de:
a. celulas que tienen un origen embrionario diferente.
b. celulas que tienen un origen embrionario comun.
c. celulas diferentes entre si.
d. celulas procariotas y eucariotas.

If a cell's main function is to produce proteins to be excreted, which organelles would you expect to be larger

What can be said about farmers in highly developed countries? a) they have little or no negative impact on the environment. b) they practice subsistence agriculture. c) they are able to incorporate polyculture into their farming practices. d) they utilize organic farming techniques on a regular basis. e) they rely on large amounts of energy from fossil fuels.

2. sketch the inside of the bean nodule, and describe or label what you observed with the hand lens.