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Fittoniya [83]
3 years ago
10

What is a body cavity called?

Biology
1 answer:
Sunny_sXe [5.5K]3 years ago
8 0
A body cavity<span> is any fluid-filled space in a multi-cellular organism other than those of vessels (such as blood vessels and lymph vessels). The human </span>body cavity<span> normally refers to the ventral </span>body cavity<span>, because it is by far the largest.</span>
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Two objects of the same mass are on two different planets. Planet A has a force of gravity that is weaker than that of planet B.
galina1969 [7]

The answer would be B, The weight of the object on planet A will be greater than the weight of the object on planet B.

This is correct because the force of gravity on planet A pushes down on the mass to make it greater

This is also correct because I got it right on my test, hope this helps.

3 1
3 years ago
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A group of cells is assayed for DNA content immediately following mitosis and is found to have an average of 4 picograms of DNA
damaskus [11]

Answer:

b: 8;8

Explanation:

Mitotic or meiotic cell division constitute the m phase of the cell cycle. At the end of the m phase, the new cells enter the interphase stage of the cell cycle. The interphase is further sub-divided into;

  • <em>the G_0 phase,</em>
  • <em>the G_1 phase,</em>
  • <em>the S phase; and</em>
  • <em>the G_2 phase</em>.

The G_0 phase is essentially a resting phase. Cells that do not need to divide except when necessary move into this phase after exiting the m phase.

Actively dividing cells enter the G_1 phase after exiting the m phase. Cell development and growth takes place. From there, the cells enter the S phase where DNA replication/synthesis takes place. The cells then enter the G_2 phase where proteins are synthesized in preparation for division or m phase.

At the S phase, the amount of DNA a cell carries is doubled but the chromosome number remains the same. For example, if a cell enters the S phase with 2 g of DNA containing 10 chromosomes, at the end of S phase, the amount of DNA would have come 4 g while the number of chromosomes will remain 10.

Hence, if the average amount of DNA in the assayed cells immediately after mitosis is 4 picograms, the amount would be 8 picograms at the end of S phase and will still remains 8 picograms at the end of G_2 phase.

The correct option is b.

8 0
2 years ago
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3 years ago
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Jill is 5 years old. she has been diagnosed with adhd and shows signs of learning problems. her pediatrician suggests that jill'
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<span>behavioral teratogens. Behavioral teratogens tend to harm the prenatal brain, affecting the future child's intellectual and emotional function. Behavioral teratogens can include: Viruses, drugs, chemicals, environmental stressors, and malnutrition.</span>
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3 years ago
Pea plants are tall if they have the genotype TT or Tt, and they are short if they have the genotype tt. A tall plant is mated w
Paladinen [302]

Answer:

heterozygous

Explanation:

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