<span>B. tiny structures in the cell that carry out the cell's activities</span>
Answer:
Cells can generate from nonliving matter,
Explanation:
He concluded that only living cells can produce cells/ only life can produce life. so if the fact that cells can generate from matter that is not living, it would disprove his theory because his theory was that only living things can produce living things.
It is called a Punnett Square
The offspring that will be produced in the cross would have tortoiseshell fur.
<h3>X-linked traits</h3>
In cats, the male is XY while the female is XX.
Assuming that black fur is caused by the allele B and the orange fur is caused by A
A black female will have the genotype 
An orange male will have the genotype 
Crossing the two: x
Offspring: 
, 
, , and
= tortoiseshell fur female
= tortoiseshell fur male
More on x-linked traits can be found here: brainly.com/question/11189684
Answer:
Option D
Explanation:
Bits of DNA that are interspersed among these repeated sequences are called spacers. Regarding to bacteria, the spacers are taken from viruses that previously attacked the organism. They serve as a bank of memories, which enables bacteria to recognize the viruses and fight against future attacks.
