In cell membranes cholesterol and glycoproteins are exposed to the extracellular surface for cell recognition and
adhesion to other cells.
__________________ Indicate whether the statement is true or false.
False - glycolipids
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Which of the following statements is true?
a. Chromosomes are classified into two categories, the sex chromosomes that determine gender and autosomes that determine non-gender related traits. b. Homologous chromosomes differ in banding patterns, the traits they code for and size. c. While sex chromosomes determine different genders they look the same until they are stained. d. In humans all 46 chromosomes have an identical match called the homologue.
The type of plant hormone primarily responsible for promoting the formation of lateral roots is/are ____
a. jasmonates b. gibberellins c. auxins d. systemin e. cytokinins
A woman with normal vision, whose father has sex-linked color blindness, marries a man with normal vision. They have a son who has Klinefelter syndrome and is color blind
Describe precisely what kind of event could caused have his Klinefelter syndrome.
If the partial pressure of oxygen (pO2) in a man's blood plasma decreased below that in his red blood cells, what would be the result?
A. More oxygen would diffuse into his red
blood cells and be transported throughout his
body.
B. Oxygen would diffuse out of his red blood
cells, and less oxygen would be transported
throughout his body.
C. The concentration of oxygen would be the
same in red blood cells and blood plasma.