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tangare [24]
3 years ago
6

Write two sentences using the vocabulary words above about plant cells:​

Biology
1 answer:
geniusboy [140]3 years ago
3 0

Answer:

Cells are the basic unit of a living organism and where all life processes are carried out. Animal cells and plant cells share the common components of a nucleus, cytoplasm, mitochondria and a cell membrane. Plant cells have three extra components, a vacuole, chloroplast and a cell wall.

Explanation:

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Salvesen h, piehl-aulin k, ljunghall s. changes in levels of the carboxyterminal propeptide of type i procollagen, the carboxyte
Dennis_Churaev [7]
Physical exercise preserves bone mass. Measurements of bone biomarkers may reflect the events in bone during exercise. Fifteen healthy, well-trained individuals (7 men and 8 women) performed a running test for 21 min until exhaustion. Venous blood samples were drawn before and 30 min after the exercise to measure the levels of osteocalcin, the carboxyterminal propeptide of type I procollagen (PICP) and the carboxyterminal cross-linked telopeptide of type I collagen (ICTP). After exercise, the women had a marked increase in serum osteocalcin concentrations (from 7.5±5.0 μg/1 to 11.5±3.0 μg/1), whereas the level was unaffected in the men (from 14.5±3.0 μg/1 to 13.5±4.6 μg/l). In the men there was a marked increase in PICP (from 240±47 μg/1 to 268±56 μg/1) that was not seen in the women (from 244±70 μg/1 to 253±60 μg/1). In neither group did ICTP levels change. In conclusion, significant responses were seen in PICP and osteocalcin during exercise, indicating that such measurements may be valuable for the further delineation of the effects of physical activity on bone. Furthermore, the different responses in men and women point to interesting areas for future studies.
6 0
3 years ago
Could someone please help me with this ASAP thank you!
Oksanka [162]

Answer:

11. Muscular Organ

12. Veins

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7 0
3 years ago
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Can cells break down molecules in patients with cystic fibrosis
tiny-mole [99]

Answer:

An inherited life-threatening disorder that damages the lungs and digestive system.

Cystic fibrosis affects the cells that produce mucus, sweat and digestive juices. It causes these fluids to become thick and sticky. They then plug up tubes, ducts and passageways.

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Explanation:

8 0
2 years ago
What is the expected percent change in the DNA content of a typical eukaryotic cell as it progresses through the cell cycle from
Anastasy [175]

The question is incomplete. The complete question is:

Question: What is the expected percent change in the DNA content of a typical eukaryotic cell as it progresses through the cell cycle from the start of the G1 phase to the end of the G2 phase

a. -100%

b. -50%

c. +50%

d. +100%

Answer:

d. +100%

Explanation:

S phase comes between G1 and G2 phases of the interphase of a cell cycle. S phase of interphase includes replication of DNA. The process of DNA replication doubles the amount of DNA present in the cell. The newly synthesized DNA is accommodated in the sister chromatids of chromosomes. Therefore, a cell with 2C DNA in the G1 phase would have 4C DNA at the end of the G2 phase. So, there is a +100% increase in the DNA content of a cell as it proceeds from G1 to the end of the G2 phase.

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3 years ago
List ten sources of water polution (LIST FORM, NOT LIKE AN ESSAY PLEASE!)
nadezda [96]

Answer:

  1. Industrial waste (toxic chemicals)
  2. Sewage (contains harmful bacteria)
  3. Oil spills from boats
  4. Agriculture (pesticides and animal waste)
  5. Radioactive waste from nuclear powerplants
  6. Dumping trash (trash such as plastics, glass, styrofoam, etc.)
  7. Acid rain (caused by the burning of fossil fuels)
  8. Mining activities (particles from mining)
  9. Soil erosion due to deforestation
  10. Leakage from landfills
6 0
3 years ago
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