Three nucleotides on the tRNA that can pair up with the three nucleotides on the codon on the mRNA.

anticodon

Explanation:

hope this helps

answer: grassland biomes are closer to the equator and receive more rain.

grasslands are biomes that are dominated by grasses rather shrubs and trees. savanna are biomes that exhibit grasses, shrubs and small tree as vegetation. grasslands are located near the equator of the earth. these are found in north america. savanna biomes are found in africa, south america, australia and india. grassland exhibit moderate climatic conditions, it receives   amount of rainfall higher than savanna.   therefore, savanna exhibit dry and hot climatic conditions.

you know they are heterozygous for a trait because they have it as jj or jj.