Answer:
All animals went through 23 Carnegie stages
All the animals are vertebrates
Explanation:
The lines of all reached the end of 23.
Carnegie stages are used only for vertebrate embryos,
Concentration gradient across the membrane. Proteins in the membrane allow specific molecules through, passively.
If the strand of Nucleic acid does not have a U - it must be DNA. Any sequence with a U is considered to be RNA. Therefore, CAGACT is considered to be a strand of DNA.
The chromosomes would be the exact same..
It’s C
Why I know because I had to answer a question like that. Plus what you’re observing is the ice cube and a heterogenous mixture is one that is made up of more than one clearly identifiable phase of matter so picking C would show it’s a heterogeneous mixture