Correct Answer: A) Cytoplasmic membrane

Explanation

The question is asking about the structure in the cell that regulates the movement of substances in and out of it. The options provided are Cytoplasmic membrane, Nuclear membrane, Cytoplasm, and Protoplasm. Among these options, the correct answer is Cytoplasmic membrane. Now, let's understand what a cytoplasmic membrane is. It is also known as the plasma membrane or cell membrane. It is a thin, semi-permeable membrane that surrounds the cell, separating its internal environment from the external one. The plasma membrane is made up of lipids and proteins, and it plays a vital role in the cellular processes that take place within the cell. The plasma membrane controls the movement of substances into and out of the cell. It allows some substances to pass through it while preventing others from doing so. This process is called selective permeability. The plasma membrane also helps in maintaining the shape of the cell and protecting it from the external environment. In conclusion, the structure in the cell that controls the movement of substances in and out of the cell is the cytoplasmic membrane. It is a thin, semi-permeable membrane that surrounds the cell and plays a vital role in the cellular processes taking place within the cell.

Correct Answer: D. cell-like partitions formed by cross-walls

Correct Answer: B. Hugo de Vries

Correct Answer: D. the temperature on land is not suitable for the development of their embryos

Correct Answer: D) number of chromosomeres they contain

Explanation

Body cells and gamete cells are two types of cells found in our bodies. Body cells or somatic cells are diploid cells that contain two sets of chromosomes, while gamete cells are haploid cells that contain only one set of chromosomes. The question is asking how body cells differ from gamete cells. The answer to the question is option D, number of chromosomeres they contain. Body cells contain twice the number of chromosomes as gamete cells. For example, in humans, body cells contain 46 chromosomes, while gamete cells contain 23 chromosomes. The other options are incorrect. Option A, type of centromeres they contain, is incorrect because both body cells and gamete cells contain centromeres. Option B, number of chromosome pairs they contain, is incorrect because both body cells and gamete cells contain a specific number of chromosome pairs. Option C, type of chromatide they contain, is incorrect because both body cells and gamete cells contain chromatids. It is important to understand the difference between body cells and gamete cells because it plays a fundamental role in reproductive biology. Gamete cells are involved in sexual reproduction, while body cells are involved in growth and development. To learn more about this, please read the relevant sections of the recommended textbooks.

Correct Answer: C. light

Correct Answer: C. viruses

Correct Answer: A. distal convoluted tubule

Correct Answer: A. I, II, and III

Explanation

All three given properties contribute to water's motion up the xylem of a plant, as transpiration brings up the water through evaporation due to heat and sunlight. However, as water is a polar molecule and has properties of cohesion and adhesion, molecules of water stick together and resist forces that would push the water out of the plant. This dynamic is referred to as the cohesion-tension theory.