Answer:
The secondary structure of a protein is held by, hydrogen bonds between the carboxyl groups and the amino groups in the polypeptide backbone.
A. Heat resulting from respiration
The food an organism eats is used for maintenance and growth; however, most of it is lost as heat to the surrounding and not transferred to the next level. <span />
The DNA molecule is composed of two strands with the help of hydrogen bonds which is doubl helix <span> At each end of the double helix, one strand is 5' and the other is 3'.the two strands are anti parallel so the correct option is
</span> They are oriented in opposite directions
Answer:
chloroplast I think.
Sorry if I didn't get this right.