What’s a good biology book that help you study exam style questions for 9th grade biology

Biology

1 answer:

Nonamiya [84]3 years ago

6 0

Answer:

I would recommend platinum. but there are thousand of books

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Junctions that permit the transfer of water, ions and molecules between cells are

Arte-miy333 [17]

Answer:

gap junctions

Explanation:

I don't know how to explain it but that's the answer

please mark brainliest

3 0

2 years ago

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Where do DAG and IP3 originate?

cupoosta [38]

Answer:

Option (4).

Explanation:

Phosphatidylinositol4,5-bisphosphate (PIP2) is the phospholipid present in plasma membrane. This lipid is important for the cell communication and cell signalling process.

The PIP2 can cleave and give two main products are DAG (diacylglycerol) and IP3 ( inositol 1,4,5-trisphosphate). These two molecules are important for the cell signalling.

Thus, the correct answer is option (4).

8 0

3 years ago

Describe how climate would be influenced if:

madam [21]

The rate of energy coming from the Sun changes slightly day to day. .It has been suggested that changes in solar output might affect our climate—both directly, by changing the rate of solar heating of the Earth and atmosphere, and indirectly, by changing cloud forming processes.
The axial tilt angle affects climate largely by determining which parts of the earth get more sunlight during different stages of the year Likewise, during winter for the northern hemisphere, there would be fewer hours of daylight because the northern hemisphere would essentially be pointed away from the sun.
If an asteroid were to strike land or a shallow body of water, it would eject an enormous amount of dust, ash, and other material into the atmosphere, blocking the radiation from the Sun. This would cause the global temperature to decrease drastically.
The Sun's irradiance has its greatest effect on Earth's upper atmosphere, while the lower atmosphere insulates Earth from the increased heat. If the Sun were driving Earth's warming, one would expect to see that upper atmosphere getting increasingly hot.\
have a nice day sorry if wrong T_T

4 0

3 years ago

Explain how you determined the genotype of Maria and Juanita, even though you did not text their D a

elixir [45]

The answer is a pedigree chart.

<span>Pedigree charts are used to explain the occurrence of particular genes from one generation to the next. It gives enough information about family disease history. They are used in families to find out the probability of inheriting some disease. So, if Maria and Juanita are cousins and the genotypes of other members of their family are known, the pedigree chart could predict their genotypes. Still, it is not as precisely as DNA test.</span>

6 0

3 years ago

HELP ASAP

Oduvanchick [21]

Answer:

Potential energy is when it's going up and kinetic energy when it's going down but in this picture it's talking about potential energy turning into potential and kinetic energy to potential.

Explanation:

Hope this help

6 0

3 years ago

Read 2 more answers