Answer:
maintain homeostasis in eukaryotic cells.
Explanation: these are two roles in maintaining homeostatic in eukaryotic cells
1. Membrane Production: The rough ER is responsible for producing the phospholipids and proteins that make up the cell's membranes. These membranes are essential for compartmentalizing the cell and regulating the movement of substances in and out of the cell. For example, the rough ER helps in the production of the plasma membrane, which controls the exchange of molecules between the cell and its environment.
2. Protein Production: The rough ER is studded with ribosomes, which are responsible for protein synthesis. The ribosomes on the rough ER synthesize proteins that are destined for secretion, insertion into the cell membrane, or transport to other organelles. These proteins undergo folding and post-translational modifications in the rough ER, ensuring their proper structure and function. For example, the rough ER produces enzymes that aid in digestion and hormones that regulate various body functions.
By facilitating membrane and protein production, the rough ER helps maintain the integrity, structure, and function of eukaryotic cells. Without these processes, cells would not be able to carry out essential functions, leading to cellular dysfunction and potential health issues.
The rough ER's main function is to synthesize and modify proteins destined for the cell membrane or for export from the cell, a process that is crucial in maintaining homeostasis in eukaryotic cells. This protein synthesis and distribution are crucial for cells' life, growth, and responses to the environment.
The primary function of the rough ER is the synthesis and modification of proteins that are destined either for the cell membrane or for export from the cell. This process is aided by ribosomes that attach to the ER, giving it a rough appearance. The produced protein is typically synthesized within the ribosome and then released inside the channel of the rough ER, where sugars can be added to it (glycosylation) before it is transported within a vesicle to the next stage, the Golgi apparatus.
This protein synthesis by the rough ER plays an important role in maintaining homeostasis in eukaryotic cells. It helps ensure the cell has the required proteins to function properly and influences the balance of protein production and distribution, crucial for cell life, growth, and responses to the environment.
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Answer:
D
Explanation:
If A is at the top and D is at the bottom on the diagram of Earth, the light intensity would be the least at point D. This is because point D, being at the bottom, is the farthest away from the light source (presumably the Sun) and is likely to be in shadow or experiencing reduced light compared to the other points.
(1) ribosomes (3) chloroplasts
(2) mitochondria (4) vacuoles
Answer:
The correct answer is - the amount of the light received by pots.
Explanation:
An Independent variable is a type of variable which is a change or manipulated in aspecific research or study to find the response of the dependent variable.
In this study, to find the effect of the light on the plant Mrs. Hendren uses the time period of light received by the pots of the plant in order to see the effect on the plant. So the variable that is manipulated is the amount of the light received by the pots.
Answer:
a.) ventilation, circulation, cellular respiration
Explanation:
a.) ventilation, circulation, cellular respiration
b.) diffusion in tissues, cellular respiration, diffusion at respiratory surface
c.) ventilation, diffusion in tissues, circulation
d.) circulation, cellular respiration, diffusion in tissues
e.) circulation, ventilation, cellular respiration
Ventilation occurs in the lungs and is the process by which carbon dioxide in the capillaries is lost to the environment while oxygen is taken in. Circulation is the process by which this dissolved oxygen is taken by the blood to tissues around the body. When this oxygen is taken to tissue, the concentration gradient allows the oxygen to be taken up by tissue. This oxygen is used as an electron acceptor (when it reduced to water) in the mitochondria during electron transport chain of cellular respiration.
B) osteoclasts
C) osteoblasts.
D) osteocytes.
E) osteogenic cells
Answer:
Osteoclasts.
Explanation:
Osteoclasts may be defined as the cells that helps in the breakdown of the bone tissue. Osteoclast plays an important role in the maintenance of the bone structure.
Osteoclasts cells are found in the small depression of the endosoteal surface. This is also known as Howship's lacunae. They shows the foamy appearance in the cell. The osteoclast can form the specialized cell membrane known as ruffle border.
Thus, the correct answer is option (B).