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Which part of the cell has pores that control the movement of chemicals in?
The nuclear envelope, which surrounds the nucleus, has pores called nuclear pores that control the movement of molecules such as RNA and proteins in and out of the nucleus. These pores help regulate the flow of substances between the nucleus and the cytoplasm.
Describe the effect of surface area and pores on cells?
Mean pore size is an essential aspect of scaffolds for tissue-engineering. If pores are too small cells cannot migrate in towards the center of the construct limiting the diffusion of nutrients and removal of waste products. Conversely, if pores are too large there is a decrease in specific surface area available limiting cell attachment. ;)
Why don't red blood cells pass through the dialysis tube?
The reason why red blood cells don't pass through the dialysis tube is because red blood cells are too large to fit through the pores in the membranes but urea and salt flow through membranes into the sterile solution and are removed.
Are nuclear pores a plant or animal?
Nuclear pores are found in both plant and animal cells. They are specialized channels that allow molecules to move in and out of the nucleus, playing a crucial role in cellular functions and communication.
Why are some pores larger and more filled with pus than others?
Pores can vary in size based on genetics, skin type, and oil production. Pores that are clogged with excess oil, dead skin cells, and bacteria can become enlarged, inflamed, and filled with pus. Factors such as poor skincare habits, hormonal fluctuations, and environmental factors can contribute to the differing appearance of pores. Regular cleansing, exfoliation, and use of non-comedogenic products can help minimize the size and appearance of pores.
Are masses of cells full of pores.?
porifera:sponges
Why do the root cells look different from the leaf cells of a plant?
Root cells do not have chlorophyll that gives the green color to the leaf. Root cells have hair extensions called root hairs. Leaves do not have these extensions. Root cells do not have pores. Leaves have pores that are guarded by two cells that are responsible for increasing and decreasing the size of the pores.
Do plant cells have nuclear pores?
Yes
Cancer cells from masses of cells called?
tumors!
Does the cell membrane of cells have pores or holes in them?
yes
Are nuclear pores in animal or plant cells?
They are in both
Are guard cells part of the stomata or does stomata only refer to the pore on the lower surface of the leaf?
The stomata are the pores and the guard cells control the opening and closing of these pores.
Its pores prevent filtration of blood cells?
Capillary endothelium
Which of these marine animals have bodies full of holes or pores?
the sponges
What are pores surrounded by guard cells in the epidermis of a leaf?
Pores, known as stomata, are surrounded by two specialized cells called guard cells in the epidermis of a leaf. These guard cells control the opening and closing of the stomata, regulating the entry of carbon dioxide for photosynthesis and the release of oxygen and water vapor. They help to maintain the balance of gas exchange and water regulation in the leaf.
What is found inside the nucleus and contains the cells genetic information?
Pores
Masses of cells that are not cancerous?
benign tumors
