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Biology Vocab

Across
a threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes
the movement of molecules across a cell membrane from a region of their lower concentration to a region of their higher concentration
forms within the blastocyst, prior to its implantation within the uterus. The ICM is a cellular mass on one side of the hollow interior of the round embryo, the outer layer of which is called the trophoblast
are undifferentiated cells found throughout the body that divide to replenish dying cells and regenerate damaged tissues
unequal distribution of ions across the cell membrane
a substance capable of causing cancer in living tissue
s the process of spontaneous passive transport of molecules or ions across a cell's membrane
is one in which the concentration of solutes is greater inside the cell than outside of it
Fertilized egg
is a procedure in which eggs (ova) from a woman's ovary are removed. They are fertilized with sperm in a laboratory procedure, and then the fertilized egg (embryo) is returned to the woman's uterus
an undifferentiated cell of a multicellular organism that is capable of giving rise to indefinitely more cells of the same type, and from which certain other kinds of cell arise by differentiation
an examination of tissue removed from a living body to discover the presence, cause, or extent of a disease
are pluripotent stem cells derived from the inner cell mass of a blastocyst, an early-stage preimplantation embryo
a substance capable of causing cancer in living tissue
solution is one where the concentration of solutes is greater outside the cell than inside it
Down
the process by which molecules intermingle as a result of their kinetic energy of random motion
a process of programmed cell death that occurs in multicellular organisms
nuclear division plus cytokinesis, and produces two identical daughter cells during prophase, prometaphase, metaphase, anaphase, and telophase
cell membrane is one that allows certain molecules or ions to pass through it by means of active or passive transport
Unspecialized (stem cells) becoming specialized cells with specific jobs
an examination of tissue removed from a living body to discover the presence, cause, or extent of a disease
an outer trophoblast layer, an inner cell mass and a fluid-filled cavity
stem cells to differentiate into any cell in an organism including embryonic tissue is an important distinguishing quality
capable of giving rise to several different cell types
Exact genetic copy of an organism
Exact genetic copy of an organism