Answer the following statements true (T) or false (F)
1. Proteins can have separate domains with distinct structures and function.
2. The primary structure of a protein ultimately determines its three-dimensional structure.
3. All amino acids within a protein are either polar charged or polar uncharged.
4. The four nucleotide bases found in DNA are identical to those in RNA.
1. TRUE
2. TRUE
3. FALSE
4. FALSE
You might also like to view...
Match the kind of plastid with its function.
A) chromosome movement B) flower color C) plastid precursor D) nucleic acid production E) lipid storage F) starch storage G) protein production H) chloride storage I) photosynthesis J) protein storage 1. proplastid 2. amyloplast 3. chloroplast 4. chromoplast 4 elaioplast
Which of the following can result in instant speciation?
a. development of a physical barrier b. polyploidy c. increase in physical size d. change in environmental conditions e. the introduction of a new predator into an area
Activation of cytotoxic T cells requires binding to class I MHC molecule complexed with a foreign antigen and the release of ________ from ________.
A) interleukin-1 : helper T cells B) interleukin-2 : helper T cells C) interleukin-10 : macrophages D) interleukin-2 : macrophages E) interleukin-1 : macrophages
You are researching the adaptations of a newly discovered mammal that is active mostly at night. Which adaptation to the eye would you expect to find?
A) A reflective choroid behind the retina B) Thicker vitreous humor behind the lens C) Crustacean flattened cornea resulting in farsightedness D) Many individual light-sensitive subunits in each eye E) An eyespot that can only discern light from dark