Answer:
the part of photosynthesis that requires light and water and produces oxygen is called the chloroplast
Answer:
by having students draw germ cells and gemetes containing chromosomes with labelled alleles , instructors can assess student understanding of the structure of chromosomes .
Answer:
Salmonella enterica (bacteria that causes food poisoning).
Explanation:
All living organisms has been classified into a main large group called DOMAIN consisting of three classifications: Eukarya, Archaea and Bacteria. The major basis of this classification is the possession of a true nucleus that houses the genetic material in the cells of living organisms.
Organisms that possesses a membrane-bound nucleus were classified to be under the domain Eukarya while those that didn't possess a nucleus were classified as Prokarya, which consists of the bacteria and archaea domains.
Based on the question, Salmonella enterica is a bacterium species, which means that it is a Prokarya and does not possess a membrane bound nucleus, hence, it would not be classified under the domain EUKARYA.
Facilitated diffusion is a form of passive transport so it does not require ATP
Answer : The correct option is, (1) an atom with 20 protons, 21 neutrons, and 20 electrons.
Explanation :
Isotope : It is defined as the element that have the same number of protons but have the different number of neutrons of each of the atom.
Atomic number is defined as the number of protons or number of electrons.
Atomic number of = number of protons = number of electrons
Mass number is defined as the sum of number of protons and number of neutrons.
Number of neutrons = Mass number - Number of protons
As we are given,
Element = Calcium
Number of protons = 20
Number of electrons = 20
Number of neutrons = 20
For the isotope of calcium, the element should have the same number of protons but the different number of neutrons of each of the atom.
From this we conclude that, the option (1) would be an isotope of calcium because in this the protons and electrons are same but neutrons are different.
Hence, the correct option is, (1) an atom with 20 protons, 21 neutrons, and 20 electrons.