In hyaluronic acid how is D-glucuronic acid linked to N-acetyl-D-glucosamine?

A) by an a(1 ? 3 ) glycosidic bond
B) by an a(1 ? 4 ) glycosidic bond
C) by a b(1 ? 3 ) glycosidic bond
D) by a b(1 ? 4 ) glycosidic bond


C

Environmental & Atmospheric Sciences

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Most of Alaska is a(n) _______________ climate region

Fill in the blank(s) with correct word

Environmental & Atmospheric Sciences

Which part of Earth's cumulative hypsographic curve includes the mid-ocean ridges?

A) The gentle slope above sea level B) The long and flat part below sea level C) The shallowest slope below sea level D) The steep deepest part below sea level E) The steep segment above sea level

Environmental & Atmospheric Sciences

Which mineral does not contain abundant potassium?

A) feldspar B) biotite C) muscovite D) calcite

Environmental & Atmospheric Sciences

________ streams begin in moist regions and flow downstream into arid landscapes with high evapotranspiration

A) Perennial B) Intermittent C) Ephemeral D) Temporary E) Exotic

Environmental & Atmospheric Sciences