Polymers are just chains of monomers
Answer:
Polymers are made of monomers.
Explanation:
Monomers are the small, basic subunits that make up the polymers.
Polymers are made of many repeating subunits called monomers.
An example is, starch is made up of many repeating glucose molecules. So here, starch is a polymer and glucose is the monomer.
Another example is, protein is made up of a sequence of amino acids. Here, protein is a polymer and an amino acid is a monomer.
Answer:
It is developed by a scientific method with observation and research
B. distilled water
C. iron sulfide
D. oxygen gas
E. seawater
F. sodium chloride
Answer: db a
Explanation:
Answer:
The resistance allele is recessive
Explanation:
According to Darwin's pea experiment, the recessive trait appeared after a few generations.
Here in this case too the resistant individuals appeared after the first generation. This also implies that the offspring of first generation must be carrier of this recessive trait.
Let the susceptible domesticated strain trait be represented by "S"
and the recessive resistant wild strain trait be represented by "s"
Then,
F1 generation
SS * ss
Ss, Ss, Ss, Ss ------ All are heterozygous susceptible individuals
F2 generation
Ss * Ss
SS, Ss, Ss, ss
ss shows reappearance of resistant wild trait.
Hence, the resistance allele is recessive.
A. making an observation
B. developing a hypothesis
C. creating an experiment
D. writing a theory
Answer:
b. developing a hypothesis
a. an atomic nucleus is positively charged because it is composed of neutrons
b. an atomic nucleus is positively charged because it is composed of protons
c. An atomic nucleus is negatively charged because it is composed of electrons
d. an atomic nucleus is negatively charged because it is composed of neutrons
The correct answer is: an atomic nucleus is positively charged because it is composed of protons, option (b) is correct.
The atomic nucleus is the central part of an atom and is composed of protons and neutrons. Protons have a positive charge, while neutrons are neutral (have no charge). Therefore, the presence of positively charged protons in the nucleus is responsible for its overall positive charge.
Electrons, on the other hand, are found in the electron cloud outside the nucleus and contribute to the overall charge neutrality of the atom since they have a negative charge equal in magnitude to the positive charge of the protons, option (b) is correct.
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Answer:
an atomic nucleus is positively charged
Explanation:
because it is composed of protons so A
Schleiden and Schwann suggested the cell theory. It is stated that a single cell makes up every living thing. It implies that the structural and basic unit of life is the cell.
Understanding how cells form, grow, and die enables us to comprehend how all living things function.
Our comprehension of a variety of subjects, including as how new life is created, why organisms take on particular forms, how cancer spreads, how diseases can be treated, and more, is assisted by this collection.
Cells make up all known living things. The structural and operational unit of all living things is the cell. The chemical makeup of each cell is same. Cells are where all of life's energy flow (metabolism, biochemistry) takes place.
Therefore, adult human form singled cell zygotes.
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Answer:
The adult human forms from the single-celled zygote.
Explanation:
The cell theory was put by Schleiden and Schwann. It is said that all the living organisms made up of from a single cell. It means the cell is the structural and fundamental unit of life. In human beings, it is also seen. The human comes from the fertilization of haploid sperm and ovum. The zygote is the single fertilized cell that undergoes cell division to form multicellular organisms. The single-cell zygote becomes a multicellular gastrula and forms the 3 germ layers. These three germ layers later form different tissues and organs by organogenesis. This happens due to the mitotic cell division. Thus an adult human will form and the cell division continues till the death of the individual. This process indicates how a single-celled zygote forms the multicellular human.