Answer:
organ systems
Explanation:
cells combine to form tissues, tissues combine to form organs, and organs combine to form organ systems such as the digestive system.
Answer: D. All living cells come from other living cells.
Explanation:
A is incorrect because organisms like bacteria and amoebas are unicellular, or have 1 cell.
B is incorrect because cells are specialized: nerve cells and muscle cells do not share the same function.
C is incorrect because inanimate objects are not alive and do not have cells.
D is correct because cells reproduce by mitosis, creating copies of themselves.
C. I believe this is correct
The answer is single nucleotide polymorphisms (SNPs)
It checks for variation in nucleotide sequences in particular genes that may be different among people, especially in different races. An example is a gene for melanin that would determine the trait for skin color. Single nucleotide changes in the gene between population can be used to differentiate populations.
Do you have a link or something to the answer choices?
Kinetochore microtubules connect at the centromere and pull the chromatids apart, whilst nonkinetochore microtubules help elongate the cell.
