Answer:
Option C
Explanation:
Option A is incorrect as mutations may be detrimental to the organism and are not always beneficial. Option B is incorrect as there are instances where mutations may enable organisms to be better adapted to the environment. Option D is incorrect as genotypes are not selected for or selected against by environmental pressures, it is only the phenotype (exhibitable/ visible traits) that can be selected for or against, hence option C is the answer.
The endomembrane system of a cell comprises the Golgi apparatus, lysosomes, vacuoles, and the endoplasmic reticulum. It does not include ribosomes. This system works together to synthesize, transport, and modify proteins and lipids.
The endomembrane system in a cell includes several different components that work together to transport and modify proteins and lipids. These components include the Golgi apparatus, lysosomes, vacuoles, and the endoplasmic reticulum. The correct option for your question is therefore option d: Golgi apparatus, lysosomes, vacuoles, and the endoplasmic reticulum.
The endoplasmic reticulum (ER) is where proteins and lipids are synthesized, the Golgi apparatus modifies and sorts these molecules, the vacuoles store substances, and the lysosomes act as the cell's digestive system, breaking down waste materials and cellular debris.
It's important to note that ribosomes are not part of the endomembrane system. They are involved in protein synthesis, but they are part of a different cellular system.
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I would say 4 because genetic drift could cause this if the population is small
The correct answer is B. The authenticity of UFO sightings
Explanation:
The Scientific Method refers to a procedure widely used in science that implies observation, measurement and a hypothesis that is formulated based on observations and then tested or proved through different methods. Because of this, phenomena that can be studied by using the scientific method are those that can be somehow controlled and tested and that are objective rather than subjective.
In the case of the phenomena "The authenticity of UFO sightings" this cannot be studied using the scientific methodology because this cannot be constantly observed, controlled or tested and also the "authenticity" is subjective rather than objective which makes almost impossible to observe the phenomena consistently, create a hypothesis and then prove it and therefore the Scientific Method cannot be applied to this phenomena.