For each of the following sentences, fill in the blanks with the best word or phrase selected from the list below
Not all words or phrases will be used; each word or phrase should be used only once.
The specialized functions of different membranes are largely determined by the __________________ they contain. Membrane lipids are __________________ molecules, composed of a hydrophilic portion and a hydrophobic portion. All cell membranes have the same __________________ structure, with the __________________ of the phospholipids facing into the interior of the membrane and the __________________ on the outside. The most common lipids in most cell membranes are the __________________. The head group of a glycolipid is composed of __________________.
amphipathic hydrophobic phosphatidylserine
cholesterol lipid bilayer phospholipids
fatty acid tails lipid monolayer proteins
glycolipids lipids sterols
hydrophilic head groups phosphatidylcholine sugars
The specialized functions of different membranes are largely determined by the proteins they contain. Membrane lipids are amphipathic molecules, composed of a hydrophilic portion and a hydrophobic portion. All cell membranes have the same lipid bilayer structure, with the fatty acid tails of the phospholipids facing into the interior of the membrane and the hydrophilic head groups on the outside. The most common lipids in most cell membranes are the phospholipids. The head group of a glycolipid is composed of sugars.
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During the conversion of 1,3-bisphosphoglycerate to 3-phosphoglycerate and phosphoenolpyruvate, a phosphate group is added to ATP to generate ATP. The mechanism for ATP production in this reaction is
A) substrate-level phosphorylation. B) product-level phosphorylation. C) oxidative phosphorylation. D) anabolic phosphorylation. E) aerobic phosphorylation.
The ability to roll the edges of the tongue upward in a U-shape is considered to be an inherited trait. The standard assumption is that tongue-rolling is a dominant allele at a single gene locus. Which of the following would cast doubt on this assumption? Select all that apply.A) A student who can roll his tongue has both a mother and father who cannot.B) In a large research study, the majority of tongue-rollers were male.C) A research study with 1,000 participants reports that most non-tongue-rollers can learn to roll their tongues.D) A student who cannot roll his tongue has both a mother and father who can.
What will be an ideal response?
Who was the first person to describe living single cells?
A) Leeuwenhoek B) Hooke C) Schleiden D) Schwann E) Virchow
“Toilet training” children involves their control of the
1.internal urethral sphincter. 2.urinary bladder. 3.kidneys. 4.Bowman’s capsule. 5.external urethral sphincter.