The nucleus is an organelle that acts like a control center and directs cell activity.
Answer:
✅True
Explanation:
Density is an intensive physical property because the density of a given substance does not change with the size of the sample.
IamSugarBee
Answer:
Frameshift mutations change the entire protein sequence and messes up the entire amino acid sequence that occurs after mutations, but substitution only changes one single amino acid.
Answer:
An oxbow lake forms when a river creates a meander, due to the river's eroding the bank. After a long period of time, the meander becomes very curved, and eventually the neck of the meander becomes narrower and the river cuts through the neck during a flood, cutting off the meander and forming an oxbow lake.