Answer:
The cyclins activate the CDKs, which affect the cell cycle at three important checkpoints: Late in the G1 stage of the cell cycle, triggering the cell to move into the S phase.
Explanation:
Answer:
this is the answer
Explanation:
B The Daily News: Los suplementos vitamínicos ayudan a aumentar la absorción de alimentos
Answer:
birds
Explanation:
<em>Archaeopteryx</em> is an iconic fossil bird that lived during the Late Jurassic, approximately 150 million years ago. <em>Archaeopteryx</em> is iconic because it is a transitional fossil between non-avian dinosaurs (reptiles) and birds. The osteology of <em>Archaeopteryx</em> indicates that it was similar to that of nonavian theropod dinosaurs, i.e., dinosaurs characterized by hollow bones and three-toed limbs. Unlike modern birds, <em>Archaeopteryx</em> had a full set of teeth, a long tail, three fingers with claws and hyperextensible second toes commonly known as 'killing claws'.
