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jok3333 [9.3K]
3 years ago
12

Why do amoebas change shape?

Biology
1 answer:
Nuetrik [128]3 years ago
5 0
It keeps changing its shape because amoeba move around with pseudopodia (false feet) for taking food and to adapt to their environment.
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What did Mendel's cross pollination of pea plants prove
pashok25 [27]

Answer: The correct answer is- D certain factors are dominant and other factors are recessive.

Mendel was interested in knowing the offspring that is produced from the cross pollination (that is from two different plants) as he wanted to study different traits of pea plant.

For doing so, he first removed the anthers of one plant (to prevent self pollination) and then transferred the pollens of one plant into the stigma of another plant.

When he allowed the cross pollination of purebred pea plant with other plant, he observed that some factors are dominant (such as tall height of pea plant, which masks the expression of recessive factors) and other are recessive (such as dwarf height of pea plant).

Thus, option D) is the right answer.

4 0
3 years ago
Read 2 more answers
What is the difference between a molecule and a diagram of a molecule ?
kakasveta [241]

Answer: The molecule itself is the actual thing present.

while the diagram explains what makes up a molecule or what it looks like structurally

Explanation:

5 0
2 years ago
Would all deer and mice living on a forest be a population why or why not<br>​
lozanna [386]

Answer:

yes

Explanation:

They would be a pop. because, they are living organisms is a given area

7 0
2 years ago
When cells communicate by the signaling process, one cell produces a _________________BLANK that must be received by the _______
velikii [3]

Answer:

1. Signaling molecule

2. Signaling receptors

Explanation:

Hormones, growth factors, neurotransmitters, etc. serve the function of signaling molecules for cells. These molecules are released by one cell and bind to the receptors present on/in the target cells to elicit the desired response. Thereby, the signaling molecules serve in cell-cell communication.

For example, insulin hormone synthesized and released from beta cells of pancreas binds to its cell surface receptors present on the surfaces of liver cells and muscle cells to stimulate the uptake of the glucose from the blood.  

Likewise, neurotransmitters released from the presynaptic neuron bind to receptors present on the membrane of postsynaptic neuron and serve to carry the nerve impulse to the postsynaptic neuron.  

8 0
2 years ago
What is the difference between cohesion and adhesion.
marshall27 [118]
Adhesion is the force of attraction between two dissimilar molecules or substances, and Cohesion is the force of attraction between two similar substances or molecules. An example for adhesion is the force of attraction lying between the walls of xylem vessels and the water molecules, and an <span>example for the cohesion forces is the force of attraction between the water molecules.</span>
5 0
3 years ago
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