How are leaf cells and root cells different?
Responses
Leaf cells have nuclei, but root cells do not
Leaf cells have nuclei, but root cells do not
Leaf cells can reproduce, but root cells cannot.
Leaf cells can reproduce, but root cells cannot.
Leaf cells can absorb nutrients from the air, but root cells require soil to absorb nutrients.
Leaf cells can absorb nutrients from the air, but root cells require soil to absorb nutrients.
Leaf cells have chloroplasts, but root cells do not.
Leaf cells have chloroplasts, but root cells do not.
Leaf cells and root cells are different in several ways:
1. Structure: Leaf cells are typically flat and thin, allowing for efficient absorption of sunlight and exchange of gases. On the other hand, root cells are elongated with root hairs that increase their surface area for absorption of water and nutrients from the soil.
2. Function: Leaf cells are primarily responsible for photosynthesis, which is the process of converting sunlight into energy and producing glucose. They contain chloroplasts, which contain the pigment chlorophyll and enable them to capture sunlight. Root cells, on the other hand, are involved in the absorption of water and nutrients from the soil and transportation of these materials to other parts of the plant.
3. Nuclei: Both leaf cells and root cells have nuclei, which contain the genetic material of the cell and control its activities.
4. Reproduction: Leaf cells can have the ability to reproduce through mitosis, a process where the cell divides to create new cells. This allows plants to grow new leaves. Root cells can also divide and reproduce, but their primary function is to anchor the plant in the soil and absorb water and nutrients.
5. Nutrient absorption: Leaf cells can absorb certain nutrients, such as carbon dioxide, from the air through tiny pores called stomata. Since roots are in direct contact with the soil, root cells are specialized to absorb nutrients and water from the soil through root hairs. This allows plants to obtain the necessary resources from both the air and soil.
In summary, leaf cells and root cells have different structures and functions that reflect their roles in the overall functioning of plants. Leaf cells are responsible for photosynthesis and nutrient absorption from the air, while root cells primarily absorb water and nutrients from the soil.
Leaf cells have chloroplasts, but root cells do not.
Which statement is correct about the function of a pseudopod?
Responses
It helps unicellular organisms reproduce.
It helps unicellular organisms reproduce.
It helps multicellular organisms reproduce.
It helps multicellular organisms reproduce.
It helps multicellular organisms move.
It helps multicellular organisms move.
It helps unicellular organisms move.
It helps unicellular organisms move.
whats a pseudopod
A pseudopod is a temporary extension of the cytoplasm found in certain types of cells, such as amoebas. It is used for locomotion and feeding. The word "pseudopod" means "false foot" in Greek, as the extension resembles a foot-like structure that the organism uses to move by flowing and extending in the desired direction.
What made the discovery of cells possible?
Responses
the observation of cells by Hooke and Pasteur
the observation of cells by Hooke and Pasteur
the study of viruses and bacteria
the study of viruses and bacteria
the use of magnifying glasses
the use of magnifying glasses
the invention of the microscope
the invention of the microscope
A student claims that viruses are alive because they have genetic material and can reproduce. Is this student’s claim correct?
Responses
No, viruses are not alive because they rely on a host organism to be able to reproduce.
No, viruses are not alive because they rely on a host organism to be able to reproduce.
No, viruses are not alive because they do not have genetic material nor can they reproduce
No, viruses are not alive because they do not have genetic material nor can they reproduce
Yes, viruses are alive because they can reproduce.
Yes, viruses are alive because they can reproduce.
Yes, viruses are alive because they have genetic material.