Can you show the other steps?
Question 9: The right answer is B (the second one)
The two major types of cellular, prokaryotic and eukaryotic organisms.
* Prokaryotes are identified with bacteria: most live as single-cell organisms but some bacteria associate in a chain. Prokaryotes have their DNA in the cytoplasm of the cell.
* Eukaryotes have a nucleus, a compartment separated from the rest of the cellular contents, which contains the DNA.
Question 17: The right answer is incomplete dominance.
Incomplete-dominated genetic action is a type of genetic action where one of the alleles outweighs the other in the production of qualitative phenotypes, without the dominant allele completely overshadowing the heterozygous recessive allele. Two copies of the dominant allele are required to produce the dominant phenotype. Since the recessive allele can perform its function at the heterozygous stage, this genotype produces a phenotype (the heterozygous phenotype) which differs little from the dominant phenotype.
In our case the phenomenon of incomplete dominance gave a pink color (between white and crimson) instead of crimson color when the white flowering plant was mixed with the crimson flower plant.
Question 19: The right answer is Speciation occurs gradually.
Speciation is a term that means the formation of new species.
Gradualism is an evolutionary theory according to which new species occur by gradual transformation of ancestral species, by evolution.
These transformations are slow and regular. Otherwise expressed: evolutionary theory according to which speciation is gradually effected by small successive changes over long periods.
The Rugged Endoplasmic Reticulum (RER), also called granular endoplasmic reticulum, ergastoplasma or rough endoplasmic reticulum, is an organelle that is responsible for the synthesis and transport of secretion or membrane proteins. There are reticles only in eukaryotic cells.
A field biologist who studies the behavior of birds in a rainforest most likely collects data through observation.
Rainforests are the areas with rich diversity of plants as well as animal species. The trees of rainforests are so long, broad and thick that they completely cover the canopy. They are also recognized by highest rainfalls. Rainforests are considered to be the oldest in the in the Earth's ecosystems.
Observation is the act of carefully watching any action or scenario in order to gain information. Observation can be turned into a formal activity when any data is collected through it for educational or experimental purposes.
To know more about rainforests, here
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The answer is D. Lipids repel water, we know the cell repels water because it states that the macromolecule is hydrophobic.
