Answer:
The correct option is B) The homologous structures are evidence of descent with modification from a common ancestor.
Explanation:
Homologous structures can be defined as similarities between organs or skeletal of organisms which suggest that they might have a common ancestor in the past. Homologous structures will have alike structures although they may be present in animals of different texa.
For example, The front legs of a frog, which is an amphibian is similar to alligator which is a reptile. This common structure show that they have homologous structures and hence might have had a common ancestor in the past.
Answer:
The endomembrane system includes the nuclear envelope.
Explanation:
The endomembrane is composed by the endoplasmic reticulum (ER) and the golgi apparatus. Its main function is to synthesize proteins (rough endoplasmic reticulum studded with ribosomes) proteins can also be modified in the ER of pass to the golgi apparatus where they can be modified and sort to be packed in vesicles to be exported to different parts of the body, for example hormones.
the nuclear envelope only holds the DNA and it´s not involved in protein synthesis.
<span>Because of osmosis, water sprayed on vegetables will cross the cell wall, enter the plant cells, and plump them up. This makes vegetables look fresh and crisp instead of wilted and sad.</span>
Hello,
Chemical weathering can be considered by the "rusting of rock".
Weathering can be described of the breaking down of rocks and other materials on the Earth's surface. There are three types of weathering: mechanical, chemical, and biological. Mechanical weathering is the type of weathering in which rock is physically broken into smaller pieces. Chemical weathering is the type of weathering in which chemical changes break down rock. Biological weathering is the type of weathering in which animal, plant, and microbes means weaken and or disintegrate rock.
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