Choose the answer that fills in the blanks of this sentence in the correct order. Most protozoa have a motile, feeding stage known as a(n) _____ which, in some protozoa, alternates with a resting state known as a(n) _____.
A) Cyst; trophozoite
B) Trophozoite; spore
C) Trophozoite; cyst
D) Spore; trophozoite
C) Trophozoite; cyst
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Answer the following statements true (T) or false (F)
1. Savior siblings born using ARTs have provided needed transplants for ailing siblings. 2. Assisted Reproductive Technologies are typically not covered by health insurance. 3. A lesbian couple may use intrauterine insemination (IUI) to have a child. 4. ESTs are cDNAs made from the mRNAs in a cell type that is abnormal in a particular illness. 5. Whole-genome shotgunning is faster, but it misses some sections that the clone-by-clone method detects.
A capillary tube is used to acquire a small blood sample for CBC (complete blood count) analysis. Suction is not required to transfer the blood from the fingertip prick to the tube in part due to
A. covalent bonding between the water molecules. B. adhesive forces between the water molecules and the glass particles of the tube. C. ionic bonding between the water molecules. D. cohesive forces between the glass particles of the tube and the water molecules.
Which of these diseases involves the destruction of the myelin sheath on certain neurons within the brain and spinal cord?
A) depression B) Alzheimer's disease C) Parkinson's disease D) multiple sclerosis
What is the final result of mitosis in a human?
A) genetically identical 2n somatic cells B) genetically different 2n somatic cells C) genetically identical 1n somatic cells D) genetically identical 2n gamete cells