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Arte-miy333 [17]
3 years ago
12

1-What is the modern periodic table?

Biology
1 answer:
Alik [6]3 years ago
6 0

Answer:modern periodic table is the periodic table usedat the latest time it is organized by Henry Moseley the table has 7 perods and 18 groups

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What is the active ingredient of aspirin that would provide clues about its classification by ph (acid, base, neutral)?
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Salicilic acid c7h602 so it s an acid
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Which statement about vacuoles is true?
Mila [183]

Vacuoles are storage organelles that are found in both animal and plant cells. They store food or any other forms of nutrients, they also store waste products so as to protect the contamination of the cell environment. These waste products are sent out of the cell via vacuoles. In plants the vacuoles are larger than in animals. The vacuole provides plant nourishment in the scarcity of water in the external environment hence, prevents the wilting of plants.

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Sara and Juan conducted an experiment to test which soil would be BEST for growing plants.
pantera1 [17]

Answer:

A. Type of soil

Explanation:

A control experiment is the one that is used to checkmate the real experiment.

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The p53 gene is important to the cell cycle in G1 and G2, and cancer. What happens to the cell cycle when a mutation occurs in t
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Answer:

PFFT this might help? sorry if not mate

Explanation:

Cell cycle checkpoint controls play a major role in preventing the development of cancer [see Sherr, 1994, for a more detailed discussion]. Major checkpoints occur at the G1 to S phase transition and at the G2 to M phase transitions. Cancer is a genetic disease that arises from defects in growth-promoting oncogenes and growth-suppressing tumor suppressor genes. The p53 tumor suppressor protein plays a role in both the G1/S phase and G2/M phase checkpoints. The mechanism for this activity at the G1/S phase checkpoint is well understood, but its mechanism of action at the G2/M phase checkpoint remains to be elucidated. The p53 protein is thought to prevent chromosomal replication specifically during the cell cycle if DNA damage is present. In addition, p53 can induce a type of programmed cell death, or apoptosis, under certain circumstances. The general goal of p53 appears to be the prevention of cell propagation if mutations are present. The p53 protein acts as a transcription factor by binding to certain specific genes and regulating their expression. One of these, WAF1 or Cip1, is activated by p53 and is an essential downstream mediator of p53-dependent G1/S phase checkpoint control. The function of p53 can be suppressed by another gene, MDM2, which is overexpressed in certain tumorigenic mouse cells and binds to p53 protein, thus inhibiting its transcriptional activation function. Other cellular proteins have been found to bind to p53, but the significance of the associations is not completely understood in all cases. The large number of human cancers in which the p53 gene is altered makes this gene a good candidate for cancer screening approaches.

5 0
3 years ago
What does control mean in biology?
jolli1 [7]

Answer:

Control is one in which the subject or a group would not be tested for the dependent variable(s).

HopeThis Helps! Have a Nice Day!!

6 0
3 years ago
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