19. The atomic number indicates how many neutrons there are, and the atomic mass tells us how many protons and neutrons are present within the nucleus of an atom.
Answer:
The diagram represents the process of enlarging a rectangle using a scale factor of 3. The width of the original rectangle must be:
9 in.
11 in.
12 in.
17 in.
Explanation:
The answer is D. our body generates new cells
Answer:
This question lacks options, the options are:
A) storing energy
B) catalyzing cellular reactions
C) building tissue
D) storing genetic information
The answer is D.
Explanation:
There are four major biological molecules found in living systems. They are as follows: carbohydrate, protein, lipids and nucleic acids. The biomolecule being described in the question is a NUCLEIC ACID. Nucleic acids are complex biomolecules made up of long chains of monomeric units called NUCLEOTIDES.
Nucleic acids are two in nature; Ribonucleic acid (RNA) and Deoxyribonucleic acid (DNA). These two nucleic acids are involved in the storage of genetic information in all living organisms. They carry the inheritable genetic information of living organisms.
