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Andreyy89
3 years ago
10

A(n) _______

Biology
1 answer:
Anna007 [38]3 years ago
6 0

Answer:

experiment

Explanation:

When you are controlling the conditions it is called an experiment.

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Explain why most farmers use stem cuttings to plant new fruit trees rather than plant seeds.
Dvinal [7]

The main reason that most farmers use stem cuttings rather than just planting a seed is that a tree's genetic variation will occur. The seeds of many fruit trees tend to vary differently from the parent, because seeds themselves are produced by sexual reproduction (i.e they receive genes from a male and female to form). As they are a cross from two sets of genes, many fruit trees are not “true to seed”. Their seeds will produce a generally different variety of tree from the parent. When using stem cuttings, it's almost like a cloning process.

4 0
2 years ago
Read 2 more answers
Which trait would be most closely associated with high levels of mobility?
scZoUnD [109]

Answer:

7. Which trait would be most closely associated with high levels of mobility?

a. A body cavity

b. Germ layers

c. Cephalization   <-----this one

d. A cuticle

e. Incomplete metamorphosis

Explanation:

6 0
2 years ago
Vacuoles are structures found in many cells. Their job is to store materials needed for the cell. Paramecia and other unicellula
Nataly [62]

Contractile means the ability of an organism to<u><em> withhold, reduce in size or shrink. </em></u>

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A contractile vacuole will help this organism better survive in its moist environment by <u><em>preventing or stopping the cell from absorbing too much water from its moist environment.</em></u>

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  • A contractile vacuole is an <em>organelle</em> that can be found in organisms that are said to be <u><em>single-celled (Unicellular organisms).</em></u>

  • One of the primary functions of a contractile vacuole is to absorb <u><em>excess water</em></u> from the protoplasm in the unicellular organism and release this water to the surrounding environment.

  • A contractile vacuole can be called the excretory organ of unicellular organisms. This is because it is involved in <u><em>osmoregulation.</em></u>

<u><em /></u>

  • A contractile vacuole will help this organism better survive in its moist environment by <u><em>preventing or stopping the cell from absorbing too much water from its moist environment.</em></u>

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To learn more, visit the link below:

brainly.com/question/2701222

4 0
2 years ago
Which kingdom includes an organism that can survive by photosynthesis in the presence of light or by consuming organic material
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Protists are eukaryotic organisms that do not plant, animal, or fungus.

The kingdom Protista includes an organism that can survive by photosynthesis in the presence of light or by consuming organic material in dark conditions.

<h3>What are protists?</h3>

Protists are eukaryotic organisms.

The nutrition present in them is mixotrophic.

Some organisms make food through photosynthesis and some are parasites and some consume organic material.

Thus, the correct option is protists, they can survive by photosynthesis in the presence of light or by consuming organic material in dark conditions.

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4 0
2 years ago
RNAi-based modification of amylopectin content in wheat occurs through decreased expression of starch-branching enzymes. If the
kicyunya [14]

If siRNA against a starch-branching enzyme was transmitted to humans, then it may affect the expression of glycogen-branching enzymes. RNAi inhibits gene expression.

Glycogen-branching enzymes are similar to starch-branching enzymes because glycogen bonds are similar to those observed between amylopectin.

The RNA interference (RNAi) pathway is an evolutionarily conserved mechanism used in molecular biology laboratories to inhibit the expression of target genes.

In the RNAi technique, a regulatory non-coding RNA called small interfering RNA (siRNA) that exhibits sequence complementary to the target gene sequence is used to inhibit and/or block the translation of the target mRNA (in this case, starch/glycogen-branching mRNA coding enzyme).

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7 0
2 years ago
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