Answer: we classify organisms to group living beings who share the same characteristics or who have common attributes
Explanation: So, since the late '60s and based on the proposal of the researcher Robert Whittaker, most biologists group living beings into 5 large groups called Kingdoms, based mainly on three characteristics:
* type of cell,
* number of cells in each organism and
* the way of obtaining energy.
As a result, we could have 5 kingdoms; and these kingdoms are:
Monera, represented by the microorganisms of prokaryotic type known colloquially as "bacteria"
-Fungi, represented by mushrooms
-Plantae, the kingdom of the plants
-Animalia, the kingdom of the animals, and
-Protist, a very diverse group of organisms of eukaryotic type.
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I hope it is useful. regards. Maria
Answer:
The lens with 4x magnification or the lowest power objective
Explanation:
When you use the low power objective, you have a wider field of view. This would make locating the specimen a lot easier than it would be if you used one with a higher magnification. Once you focus the microscope using the low power objective, you can switch to the higher magnification lenses.
Answer: Lymphatic capillaries are dead-end tubes.
Explanation: Lymphatic capillaries are closed tubes with flap-like valves that open to take in tissue fluid. Blood capillaries are part of a continuous system of blood vessels; arterioles supply blood to the capillary bed, and venules drain them.
Answer:
The correct answer is C. The enzyme that ensures there is an equal distribution of newly synthesized phospholipids across the membrane is the scramblase.
Explanation:
Scramblases are proteins used to move phospholipids from one monolayer to another of the lipid bilayer inside the plasma membrane of a cell. This protein, unlike flippase, is not selective with respect to lipids but "reverses" them on the other side of the membrane in a random and non-specific manner. It therefore causes the phospholipids not to be added only on one side when the membrane is formed or expanded, but also on the opposite side in contact with the extracellular environment.
The correct matching is as follows:
1. Monohybrid cross refers to the breeding of two organisms, which vary in just a single trait.
2. Phenotype refers to the expression of a genetic trait, that is, what the trait looks like.
3. Purebred refers to the trait originating from homozygous genes from the offspring of true breeding.
4. A recessive gene refers to a gene or trait, which is masked when a dominant allele is present.
5. Self-fertilization refers to the procedure when a species that exhibits both male and female gametes makes the fusion of both the identical gametes to produce offspring.
