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Thepotemich [5.8K]
2 years ago
10

Use the following terms in the same sentence:prokaryotic,nucleus and eukaryotic

Biology
1 answer:
Pie2 years ago
3 0

While eukaryotic cells have a membrane-bound nucleus, prokaryotic cells do not.

hope this helps:)

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Define nucleus and nucleolus
RSB [31]

Answer:

Nucleus

the central and most important part of an object, movement, or group, forming the basis for its activity and growth.

Nucleolus

a small dense spherical structure in the nucleus of a cell during interphase.

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3 years ago
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Motivation based on internal factors such as organismic needs (competence, relatedness, autonomy), as well as curiosity, challen
Tomtit [17]

Motivation based on internal factors such as organismic needs (competence, relatedness, autonomy), as well as curiosity, challenge, and fun is known as Intrinsic motivation.

Intrinsic motivation is doing of an activity for inherent satisfaction rather than for some separable consequence.When individual is intrinsically motivated  is moved to act for fun or challenge entailed rather than because of external products , pressure or rewards.

It is important because for task persistence , seeing a project through , and for ensuring exploration of as solution. It is accompanied by positive affect that love of the task is an important component of creative work. It strengthens efforts and persistence. Three element of motivation is autonomy , mastery and purpose.

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5 0
2 years ago
Bioflix activity: membrane transport -- vocabulary review can you match the processes involved in membrane transport to their de
Natalka [10]

Explanation:

<u></u>

<u>From the diagram with corresponding labels:</u>

  1. Exocytosis
  2. Facilitated diffusion
  3. Endocytosis
  4. Diffusion
  5. Active transport

<u>Further explanation:</u>

Via diffusion, small water molecules can move across the phospholipid bilayer acts as a semi-permeable membrane into the extracellular fluid or the cytoplasm which are both hydrophilic and contain large concentrations of polar water molecules or other water-soluble compounds.

Via osmosis, the water passes through the membrane due to the difference in osmotic pressure on either side of the phospholipid by layer this means that the water moves from regions of high osmotic pressure/concentration to regions of low pressure/ concentration to a steady state.

Active transport is a mediated process that requires the use of specialized membrane proteins these proteins require energy in the form of avenues and triphosphate or ATP in order to facilitate necessary conformational changes to the large protein molecules.

Carrier proteins and channel proteins are the two major classes of membrane transport proteins; these allow large molecules called solutes (including essential biomolecules) to cross the membrane. Channel proteins which are pores filled with water versus enabling charged molecules to diffuse across the membrane,  from regions of high concentration to regions of lower concentration. This is a passive part of facilitated diffusion

<em>...some very large molecules require specialized type of active transport in order to move across the membrane this includes endocytosis and exocytosis</em>

<em> </em>

During endocytosis large molecules cells and cell fragments moved across the plasma membrane through a process of invagination; piece of the external cell membrane falls into itself and forms a small pocket that surrounds the target molecule this breaks off from the membrane to form an intracellular vesicle; different methods of endocytosis such as Phagocytosis, Pinocytosis and receptor-mediated endocytosis, take in cells,  water and targeted substances respectively.

Similarly, in exocytosis, the particles (Protein, Waste material etc.) surrounded by a phospholipid membrane. However, this membrane is formed in the cytoplasm, and attaches to the plasma membrane’s interior in a process opposite to endocytosis;  material is removed from the cell and exported into the cell’s exterior called the extracellular space.

Learn more about membrane components at brainly.com/question/1971706

Learn more about plasma membrane transport at brainly.com/question/11410881

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3 0
3 years ago
Feathers in birds appear to have first evolved for insulation but later conveyed a new advantage in helping create light aerodyn
Karolina [17]

Answer:

<h2>Exaptation</h2>

Explanation:

Exaptation is the process by <u><em>which the features acquire those functions for which they were not originally selected</em></u> or adapted. Feather is an example of exaptation, it has appeared in various fossils of the flightless ancestors of modern birds, it later became important for flying, Once they molded for flying it adapted for that function, It is found in both behavior and anatomy.

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3 years ago
What do food chains display?
victus00 [196]

Answer:A food chain shows what eats what in a particular habitat. It shows the flow of energy and materials from one organism to the next, beginning with a producer . ... The arrows between each organism in the chain always point in the direction of energy flow from the food to the feeder.

Explanation:

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3 years ago
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