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mr Goodwill [35]
3 years ago
6

What flowers usually have either three petals or a multiple of three petals?

Biology
1 answer:
lana66690 [7]3 years ago
6 0
A monocot flower has 3 petals.
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Each cell that enters the cell cycle contains sister chromatids<br><br> a. True<br> b. False
Snowcat [4.5K]

Answer:

b. false

Explanation:

The cell cycle consists of three states: Interphase, Cell division (mitosis) and Resting.

Interphase is composed of phases G1, S and G2. during this state the cell replicates the genetic material of its chromosomes to prepare itself for cell division

In G1 the cell synthesizes mRNA and proteins that the cell will need during mitosis.

In S the cell replicates the genetic material of its chromosomes to prepare itself for cell division. At the end of this phase each chromosome is composed of two sister chromatides.

In G2 the cell grows and and more proteins synthesized  for mitosis.

Mitosis is the production of two daughter cells from a sinlge one. During the entire mitosis the chromosomes are duplicated in the cell until finally, the genetic material is distributed in two cells after cytokinesis.

According to the above, it can be seen that  the chromosomes in a cell that is in the cell cycle do not necessarily have sister chromatids. For example, chromosomes during G1 do not have sister chromatids.

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3 years ago
Arrange the celestial bodies in our solar system in increasing order based on their size
Karo-lina-s [1.5K]
<span>Jupiter, Saturn, Uranus, Neptune, Earth, Venus, Mars, Mercury.

(smallest to largest) These are just the planets! There is more if you count moons. (:

Hope this helps!

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4 0
3 years ago
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Investigate how changes in an ecosystem affect a food web.
VLD [36.1K]

Answer: It can affect A LOT

Explanation: if something were to suddenly vanish, all the creatures above it, and below it will be in big danger.

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3 years ago
What is the process that breaks down nucleic acids into nucleotides
iren [92.7K]

Answer:

D. Hydrolysis

Explanation:

Dehydration synthesis reactions build molecules up and generally require energy, while hydrolysis reactions break molecules down and generally release energy. Carbohydrates, proteins, and nucleic acids are built up and broken down via these types of reactions, although the monomers involved are different in each case.

I hope this helps have a great day :)

8 0
2 years ago
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dolphi86 [110]

Answer:

individual feeding relationships between organisms.

Explanation:

When we try to explain the abundance accumulated by each link in the food chain, it can be observed that both the magnitude of individuals and biomass decrease rapidly from plants to predators. By sorting the information in this way, we get a graph in the form of a "pyramid".

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