People with albinism carry two copies of the ____________________ allele (aa) and cannot make a pigment called ____________________ which is the principal pigment in skin, hair and eye color

Fill in the blank(s) with correct word


recessive; melanin

Biology & Microbiology

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Which of the following is at the highest energy level?

A. A reaction center chlorophyll that has received the energy from a blue-light photon B. A reaction center chlorophyll that has received the energy from a red-light photon C. A reaction center chlorophyll that has received the energy from a green-light photon

Biology & Microbiology

What does the term biogenesis mean?

A. Formation of life from nonliving chemicals B. Formation of self-replicating molecules C. Formation of chemicals from organic monomers D. Formation of life from preexisting cells

Biology & Microbiology

Estuaries are immune from larger temperature variations

Indicate whether the statement is true or false

Biology & Microbiology

Because there is a high concentration of salt in the interstitial fluid around the nephron loop, what happens to the filtrate as it flows through the descending limb?

What will be an ideal response?

Biology & Microbiology