The answer is 46.
Somatic cells means body cells, including your skin cells, muscle cells, stomach cells etc. All of them has 46 chromosomes, in human. They have the complete set of chromosomes.
Meanwhile the only cells that have different chromosomes are the gametes. They only have half of the chromosomes than the somatic cells, in order to restore the correct number of chromosomes of offsprings.
Therefore, if you cut your arm, your body produce new skin cells by the process of mitosis, where the new cells would be genetically identical to the parent cell, which is the older skin cells. So, the answer is 46.
Answer:
by budding the two species
Answer:
C. Two non-functional copies of the retinoblastoma gene.
The four steps of muscle contraction are EXCITATION, COUPLING, CONTRACTION AND RELAXATION.
Muscle excitation involves the generation of action potential in the muscle cell membrane as a result of stimulation. Coupling refers to the linking of the action potential to the myofilament in readiness for contraction. During contraction, the muscle fibers experience tension and usually become shorten. Relaxation refers to the resting stage of the muscle fiber.
Ribosomes link a molecule to the er membrane as it is translated. However, the ribosome population is not static; is constantly moving through the ribosome.
<h3>Where can I get the signal sequence for proteins bound to the ER?</h3>
The endoplasmic reticulum (ER) is a network of tubules and sacs (cisternae) enclosed by membranes that spreads throughout the cytoplasm from the nuclear membrane.
In most eukaryotic cells, the endoplasmic reticulum is the largest organelle and is surrounded by a continuous membrane. Its membrane may account for half of all cell membranes, while the region occupied by the ER (the lumen, or cisternal space) may account for 10% of total cell volume.
learn more about ER signal refer
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