It’s C because they took out the letter A from the new strand of DNA. btw deletion means to take away and substitution means to sub in a letter. hope that helped!
I'll choose Golden Retrievers:
These dogs where created for duck-hunters. Their purpose was to go catch the ducks that fell on the lake/river once they were shot by the hunter - here we see how they serve (or actually served) men.
Nowadays, Golden Retrievers are known to like water a lot, and to be very playful with it - and here is where we see a genetic adaptation. They needed to be in water, and were modified to like it.
Hope it helped,
BioTeacher101
Explanation:
Two characteristics are used to define the mammal class. They are mammary glands and body hair (or fur). Female mammals have mammary glands.
Golgi bodies produce, package, and deliver a product in pinched-off vesicles.
Answer:
b. the contractile unit between two Z discs
Explanation:
A sarcomere is the functional and mechanical unit of striated muscle structure, is formed of thin filaments (two strands of actin and one strand of regulatory protein) and thick filaments (myosin). <em>They have the ability to contract in unison coordinating the muscles’ contractions. As you can see in the image added these units are located between Z discs. </em>
I hope you find this information useful and interesting! Good luck!
