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Ann [662]
3 years ago
10

Consist of hollow tubes which provide support for the cell

Biology
1 answer:
STALIN [3.7K]3 years ago
4 0
Xylem vessel, that's the one that transport water and mineral ions up to the plant.
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Brain is very important part of our body, explain how it work as an organ? Also, explain
jek_recluse [69]

Answer:

the brain helps with moving our limbs and bones such as how im typing this, it helps us remember to blink and breathe and keep our heart pumping blood.

Explanation:

im not actually sure if this is right but i tried, im sorry if its wrong

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3 years ago
To produce one glucose, the calvin cycle needs to be run ________ times.
Anestetic [448]
To make one glucose, the calvin cycle would need to turn 6 times.
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seraphim [82]

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o think this question is asked two times right

3 0
3 years ago
Energy of an electron is not constant which it is in particular orbit ( true or false)​
bekas [8.4K]

True is the answer.

Explanation:

8 0
2 years ago
Read 2 more answers
An experiment was performed to study the progress of cells through the mitotic cell cycle. The compounds listed below were used
Hatshy [7]
<h2>Mitotic Cell Cycle</h2>

Explanation:

a. Cytochalasin: an inhibitor of actin microfilament

  • Cytokinesis is the process by which cytoplasm is divided into two cells hence generation of two daughter cells
  • In animal cells the division of cytoplasm starts with the assembly of contractile ring
  • Contractile band consists of actin and myosin and catalyze cleavage furrow formation
  • Cytochalasin is a drug that blocks the polymerization of actin filament
  • When cytochalasin is added dividing cell fails to undergo in cytokinesis due to defective assembly of contractile band

b. Colchicine: an inhibitor of microtubule formation

  • Colchicine tightly binds with free tubulin dimer and prevents its polymerization
  • In this case mitotic spindle apparatus do not assemble and cells unable to do partitioning of chromosomes into two groups
  • Thus cell division is arrested

c. Aphidicolin: an inhibitor of DNA Polymerase activity

  • Aphidicolin is used to induce cell cycle arrest via specific inhibition of DNA Polymerase α
  • It blocks the cell cycle at early synthesis(S) phase

d. Emetine: an inhibitor of ribosome activity

  • It blocks the protein synthesis in eukaryotic cells by binding to small subunit(40 S) of ribosomes
  • It interferes with the synthesis and activities of DNA and RNA
5 0
3 years ago
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