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Enzymes that are only produced when substrate is present are termed
Blastocyst
An early stage in human embryonic development, a hollow sphere of cells formed after several days of cell division following fertilization.
Placenta
An organ that develops in the uterus during pregnancy, providing oxygen and nutrients to the growing baby while removing waste.
Umbilical Cord
A flexible cord-like structure connecting a fetus to the placenta, delivering nutrients and removing waste during pregnancy.
Endoderm
The inner layer of an embryonic disk, which will develop into the digestive system, liver, lungs, pancreas, salivary glands, and respiratory system.
Q2: If a microbiologist is studying a specimen
Q3: _ are various bacterial enzymes that dissolve
Q34: Prokaryotes include bacteria and viruses.
Q37: Bacterial endospores are produced by<br>A)Staphylococcus.<br>B)Entamoeba.<br>C)Bacillus.<br>D)Mycoplasma.
Q38: Which type of medium is able to
Q43: At present,the most accurate indicator of evolutionary
Q52: _ Manual of Systematic Bacteriology is a
Q68: All of the following pertain to the
Q72: Each nucleotide is composed of<br>A)one phosphate,one nitrogenous
Q80: Syphilis is caused by a spirochete called<br>A)Proteus