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lisov135 [29]
2 years ago
14

Which label belongs in the area marked X? nucleus DNA cell wall ribosomes

Biology
1 answer:
hram777 [196]2 years ago
5 0
Can we have a picture of what u need
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What characteristic do all organisms in the phylum chordata share?
Sophie [7]

Answer: Notochord,Nerve cord, pharyngeal gills

Explanation:

1.Presence of notochord that gives them skeletal support this also develops into between Column in vetertebrates.

2.presence of dorsal hollow nerve cord that develops into the brain and spinal cord which is the nervous system. develops into the central nervous system

3.presence of pharyngeal slit that develops into gills in some aquatic organism and its develops into jaw in some mammals. The gills is use for removal of water that enters the mouth while feeding.

6 0
3 years ago
Describe how cancer cells are different from other cells. Based on that, explain why cancer is so hard to cure.
Juli2301 [7.4K]
Cancer cells are cells that basically bypass any sort of regulatory processes in the cell cycle (and mitosis - the splitting of the cell). This leads to uncontrollable cell growth/duplication which hence leads to more and more cancerous cells. Cancer itself is so hard to cure for a couple of different reasons. If the cells are in the form of a benign tumor, that is a tumor that does not spread from its original infected tissue, it should be "easy" to remove with surgery. However, if it metastasizes, or spreads into surrounding tissues through the lymph or blood systems, then it becomes even harder to remove because of its far reach and complex structure. Also, cancer cells can be simply described as normal body cells that have gone rogue. That being said, things such as antibiotics, that are designed to get rid of foreign bodies, cannot get rid of cancerous cells without getting rid of most of your regular body cells as well simply because they cannot tell the difference.

Hope this helps :) 
5 0
3 years ago
Why do you think the human stomach pH range is 2.0 - 3.0?
Inga [223]

Answer:

The stomach has a pH between 1.5 and 3.5 generally and this is due to the cells in the stomach releasing hydrochloric acid.

Explanation:

So as cells in the intestines gradually release more and more sodium bicarbonate, the pH raises from around 1 to around 7. Answer 2: The stomach usually has a pH of 2 or 3

7 0
2 years ago
I am doing a project on Down Syndrome and my teacher told us that we have to include information on the mode. What is the mode?
rewona [7]
You should ask your teacher to be sure, but I think that you teacher meant like the  mode of transmission.... Like genetically inherited and such.
5 0
3 years ago
Remembering the function of chloroplasts, in which part(s) of the leaf is photosynthesis taking place​
larisa [96]

Answer:

Palisade mesophyll and guard cells. 13. Remembering the function of chloroplasts, in which part(s) of the leaf is photosynthesis taking place?

Explanation:

hope this helps.... :)

6 0
2 years ago
Read 2 more answers
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