1)
letter d is the part of the cell that makes proteins. what is letter d?
a) ribosomes
b) chromosomes
c) chloroplast
d) golgi apparatus

The correct answer is -

A) ribosomes.

Ribosomes can be described as subcellular structures that are present within the cells of all living organsisms. They are considered as the site for synthesis of protein from mRNA (messenger RNA), a process that is known as translation.

mRNA strand carries information for protein synthesis in the form of codon (a sequence of three nucleotides that code for particular amino acid). It arrives at ribosome where tRNA molecule brings specific amino acid according to the codon.

The amino acids are assembled in a particular sequence, producing specific protein at this site (that is ribosome).

Thus, the letter 'D' asked in the question corresponds to Ribosomes.

this protocol provides a detailed procedure for nucleoprotein extraction from cultured cells and tissues in an efficient manner.

he movement of air through earth's or any planet's atmosphere is called wind, and the main cause of earth's winds is uneven heating by the sun. this uneven heating causes changes of atmospheric pressure, and winds blow from regions with high pressure to those with low pressure.

i hope this : )