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Why are cells of the palisades layer packed so tightly together?

Packing palisade cells tightly together means that the maximum amount of light can be intercepted. If there are big gaps between the cells then more of the light hitting the leaf will just pass straight through. Tightly packed palisade cells is one way in which leaves are adapted for photosynthesis.


Are the outermost cells of the epidermis living or dead?

Cells in the lower layers of the epidermis divide continually, producing new cells that constantly push through the layers of the epidermis. By the time those cells reach the outer layer of the epidermis, they are dead and ready to slough off.


The waxy covering of cells?

The epidermis is the waxy layers of some cells


What is the tissues in the epidermis?

Tissue type of the epidermis is stratified squamous epithelium.


What is the top layer of epidermis made from?

The top layer of the epidermis is called the stratum corneum and is primarily composed of dead skin cells called corneocytes. These cells are tightly packed together to form a protective barrier that prevents water loss and protects against external environmental factors.


How many layers are present in human cheek cells epidermis?

Human cheek cells do not have layers like the epidermis of the skin. Cheek cells are simple squamous epithelial cells that form a single layer on the inside of the cheek.


What layer of the epidermis consists of up to 30 layers of dead cells?

The stratum corneum is the layer of the epidermis that consists of up to 30 layers of dead cells. It is the outermost layer of the epidermis and serves as a protective barrier for the skin against external elements. The dead cells in this layer are constantly shedding and being replaced by new cells from the lower layers of the epidermis.


The epidermis is responsible for protecting the body against invasion of bacteria and other foreign agents primarily because it is composed of?

The epidermis is composed of multiple layers of tightly packed epithelial cells that act as a physical barrier against the entry of bacteria and other foreign agents into the body. Additionally, it contains specialized cells like Langerhans cells that contribute to the immune response by detecting and responding to foreign invaders.


Why do plants have epidermis layers?

Plants have epidermis layers to protect against water loss, pathogens, and damage from the environment. The epidermis also contains specialized cells like guard cells that regulate gas exchange and stomata that allow for transpiration and photosynthesis.


Why are mesophyll cells packed so tightly?

The upper leaf cells are tightly packed to trap the energy in sunlight.From: -Pearson Education,Inc.


The epidermis contains what?

The epidermis contains several layers of cells, including keratinocytes, melanocytes, Langerhans cells, and Merkel cells. It also contains nerve endings, blood vessels, and hair follicles.


What is the most general characteristics of epithelial tissue?

Tightly packed cells