I NEED THE ANSWER ASAP which type of cell transport is used by chloroplasts to make hydrogen (h+) ions move against their concentration gradient? 
a. diffusion
b. active transport 
c. exocytosis
d. passive transport

Drag each label to the correct location on the image. each label can be used more than once. a scientist introduced mutations in a gene sequence isolated from bacteria. study the sequence, and identify the steps where the mutations may affect the formation of proteins. in the sequence, black letters stand for protein coding regions and red letters stand for noncoding regions. protein will not be changed. protein may be changed. attcgtgttc atcgtgttc atcgtattc attcgtattc

In the african savanna, more wildebeests are born than the environment can support. which is most likely to happen over a period of years as a result

Why has two different alleles for the same trait?