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Groupe into the tissues that make up he roots, stems, and leaves.
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A stem cell differentiates by making what?
A stem cell differentiates by activating specific genes that direct its development into specialized cell types. This process involves epigenetic changes that determine which genes are turned on or off, leading to the formation of different cell types with specific functions.
What controls the way in which a zygote differentiates?
The differentiation of a zygote into different cell types is controlled by genetic factors, such as the expression of specific genes at different stages of development. These genes regulate the production of proteins that determine the cell's fate and function. Environmental factors can also influence cell differentiation.
What is the clonal selection theory as it applies to B cells?
1. An antigen presenting cell presents antigen on Class II MHC to a Helper T cell activating it 2. At the same time a B cell that has taken up and degraded the same pathogen displays antigen on its class II 3. The activated helper T cell binds to the B cell releasing cytokines and activating it 4. The activated B cell proliferates and differentiates into: 1) memory B cells 2) antibody-secreting plasma cells that produce antibodies specific for the pathogen
What happens to a cell in a isotonic solution?
the plasma membranes water flows at an equal rate. animal cells function the best in an isotonic environment. in an isotonic environment the blood cells stay normal and do not get lyced (which happens in hypotonic environments) and they do not shrivel (which happens in hypertonic environments).
What is the first thing happens when a new cell is produced?
The new cell undergoes a process called cytokinesis, where the cytoplasm divides and separates into two daughter cells. This is followed by the replication of genetic material (DNA) to ensure that each daughter cell receives a complete set of genetic information.
A stem cell differentiates by making what?
A stem cell differentiates by activating specific genes that direct its development into specialized cell types. This process involves epigenetic changes that determine which genes are turned on or off, leading to the formation of different cell types with specific functions.
When a B or T cell is primed by an interaction with its particular antigen the cell does what?
grows, divides, and differentiates further
What is an angioblast?
An angioblast is a cell which differentiates into blood cells and endothelium within an embryo.
The Gram stain differentiates between bacteria is based on the composition of their?
it is based on the structure of the cell wall and how it reacts to the series of reagents applied to the cells.
What happens to a cell if it does not have a cell?
Then there would not be a cell.
What happens to the cell if the cell membrane were damaged?
The cell leaks cytoplasm.
What energy conversion happens in a cell?
what type of cell?
What is the essential purpose that differentiates one company from another?
Mission. The companies mission differentiates one company for another.
What happens to other cell parts when the cell divide?
they duplicate
Were is photosynthesis in the cell?
photosynthisis happens in chloroplasts in a plant cell
What happens to the cell in cell division?
Mitosis followed by cytokinesis.
What happens if a cell lost its ability?
a cell that loose the ability to :what?
