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Alina [70]
3 years ago
13

Diffusion is an example of

Biology
1 answer:
VikaD [51]3 years ago
6 0

Answer:

c

Explanation:

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For a science class project, Sandy wants to test the effect of rap music on pea plant growth. She plays loud rap music 24 hours
ICE Princess25 [194]
Sandy should've gave rap music to only one pea plant not all. The key problem was that all were being tested and one at least should not have been tested. She could change her experiment my only giving 1 planet rap music.
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3 years ago
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A teacher shows students a string of beads as a model of a chromosomes and genes. What do the beads represent? Explain
Elza [17]

Answer:

If the string of beads refer to a chromosome, then each bead is a gene responsible for one or more traits.

If the string of beads refer to a gene, then each bead refers to the sequence of nitrogenous bases in one strand of the gene.

Explanation:

A chromosome is composed of several genes.

A gene is composed of several nucleotides each containing a nitrogenous base. A gene is primarily made functional by the sequence of nitrogenous bases in its structure. If AGATTCA is a hypothetical sequence of the nitrogenous bases on one strand of a hypothetical gene then TCTAAGT will be the sequence of nitrogenous bases on the complementary strand of that particular gene.

3 0
3 years ago
Which pregnancy-specific structure is responsible for delivering nutrients and oxygen to the fetus and removing waste products?
Arlecino [84]

Answer:

Blastocyst placenta.

Explanation;

  • During pregnancy the fetus depends on its mother for nourishment and oxygen since it cannot breathe air it's blood circulates differently than it does after birth.
  • Due to the circumstances stated above the mothers womb develops an organ known as the placenta that develops and implants in the mother's womb during pregnancy to provide oxygen and nutrients to the growing baby and remove waste products from the baby's blood
  • The fetus is connected to the placenta by the umbilical cord which contains blood vessels that transport nutrients and oxygen from the mothers blood to the baby and also transports waste products and carbon dioxide from the baby to the placenta and then to the mothers circulatory system to be eliminated.

8 0
4 years ago
All males receive their X chromosomes from their ___
Elena-2011 [213]
When a person is born they get one chromosome from the mom and one from the dad. A female has XX chromosomes a male has XY Cromosomes. So a male would get the Y from the dad and the X from the mom.
8 0
3 years ago
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Will give brainliest to first correct answer.
ddd [48]
Antibiotic resistance happens naturally due to genetic mutation through random selection, however, genetic drift occurs on purpose and tests which genes are stronger and should continue to be passed on to future generations. In most cases, genetic drift is needed and antibiotic resistance isn’t.
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3 years ago
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