Biology, 19.11.2020 20:10 stphdrn4347
PLEASE HURRY. I'LL GIVE BRAINLIEST.
A brand new zygote divides by mitosis and cytokinesis over and over. Before the cells are specialized, they are called stem cells. How do stem cells specialize into a nerve and red blood cell?
1. The nerve and red blood cells will have different DNA and thus make different proteins. 2. They nerve and red blood cells are going to have the same DNA and will use the same genes to make the same exact proteins.
3. The nerve and red blood cells will turn on and off different portions of their DNA, using different genes to make different proteins.
4. The nerve and red blood cells will have the exact same structure and function.
Answers: 3
Biology, 21.06.2019 16:30
Which of the following are the functions of the skeletal system? blood cell production in soft marrow tissues and mineral reserves largest organ of the body for defense and support vitamin d production and pumping blood through vessels voluntary movement and contractile movement
Answers: 1
Biology, 22.06.2019 05:30
What environmental cues and landmarks do the geese use to determine the timing and direction of their migration over the mountains? how do they find their way?
Answers: 2
PLEASE HURRY. I'LL GIVE BRAINLIEST.
A brand new zygote divides by mitosis and cytokinesis over and...
Mathematics, 09.02.2021 16:20
Biology, 09.02.2021 16:20
Biology, 09.02.2021 16:20
Mathematics, 09.02.2021 16:20
English, 09.02.2021 16:20
Mathematics, 09.02.2021 16:20
Chemistry, 09.02.2021 16:20
History, 09.02.2021 16:20