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elena-s [515]
2 years ago
10

Reinforcement is most likely to occur when__________ (A) the environment is changing (B) hybrids have lower fitness than either

parent population (C) prezygotic isolating mechanisms are in place (D) gene flow is low
Biology
1 answer:
PolarNik [594]2 years ago
5 0

So option B (hybrids have lower fitness than either parent population) is the correct answer.

What is Reinforcement?

Reinforcement is a consequence used in behavioral psychology to strengthen an organism's future behavior when that activity is preceded by a specific antecedent stimulus. This strengthening impact can be quantified as a higher frequency of behavior, a longer duration of behavior, a greater volume of behavior, or a shorter latency.

To learn more about Reinforcement

brainly.com/question/1483660

#SPJ4

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If a cell has 14 chromosomes, how many chromosomes will each daughter cell have after mitosis and cytokinesis?
drek231 [11]

Answer: After mitiosis, each daughter cell will also have 12 chromosomes. Cytokinesis is just the last stage of telophase, where the cell completely forms the two daughter cells. Telophase does not form chromosomes.

Explanation:

5 0
3 years ago
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Drag and drop the terms at the left to match the appropriate descriptions at the right. ResetHelp Composed of phospholipid bilay
quester [9]

Answer: The appropriate description is matched against the components of the cell below.

1) Cilia: Short, hairlike cellular extensions

2) Ribosome: Site for protein synthesis

3) Chromatid: Copy of a chromosome

4) Cristae: Folds of the inner mitochondrial membrane

5) Lysosomes: Vesicles with powerful digestive enzymes.

6) Smooth ER: Stores calcium ions in muscle cells

7) Plasma membrane: Composed of phospholipid bilayer

8) Cytosol: Intracellular fluid

9) Cytoplasm: Intracellular fluid and organelles

10) Centriole: Involved in mitosis.

Explanation:

A cell is simply defined as the structural and functional unit of an organism. It is made up of highly organized physical structures called intracellular organelles. These organelles includes:

• Ribosome

• Lysosomes

• Smooth Endoplasmic reticulum

• Plasma membrane

A type of cellular motion called ciliary movement, is a whip-like movement of CILIA on the surface of cells takes place in the respiratory airways of human.

The cytoplasm is filled with both intracellular fluid and organelles while the cytosol contains mainly dissolved proteins, electrolyte and glucose ( intracellular fluid).

7 0
3 years ago
Which of the following is not a cellular activity associated with microtubules?
sladkih [1.3K]

Answer:

A. maintenance of axons is not a cellular activity associated with microtubules.

Explanation:

Microtubules are hollow, bead-like, tiny tubular structure that helps cells maintain its shapes. Together with microfilaments and intermediate filaments, they form part of the cell's cytoskeleton. Microtubules also contributes to the cell movement or cytokinesis that includes muscle contractions in muscle cells. Microtubules also replicated chromosomes to opposite ends of a cell during cell division. Microtubules also contribute to the parts of the cell that help it move and are structural elements of cilia, centrioles and flagella. A bundle of microtubules makes up an axonemal structure of cilia and flagella.

3 0
4 years ago
Please help me I will give 20 points
Nikolay [14]

A, bacterial conjugation

Explanation:

I think it's this because in step 4, the things under the oval-ish circle looks like bacteria

7 0
3 years ago
Refer to the figure above. Which structure carries impulses to the cell body
alex41 [277]
Based on the image, the structure that carries impulses to the cell body is I. This part of the cell is called an axon terminal. They are each separated from a neuron by a gap called a synapse. While the structure that carries impulses away from the cell body are III. This structure is called the axon. 
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3 years ago
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