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a_sh-v [17]
3 years ago
14

celery stalks that are immersed in fresh water for several hours become stiff and hard. Similar stalks left in a salt solution b

ecome limp and soft. From this we can deduce that the cells of the celery stalk are
Biology
1 answer:
maxonik [38]3 years ago
3 0

Celery stalks that are immersed in fresh water for several hours become stiff and hard. :333333

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The epidermis is composed of five cell types. match each type to its description.
WITCHER [35]
Listed under are the 5 different type of cells found in the epidermis and their description:

1. Stem cells
These are what you call undifferentiated cells. These are cells found in the stratum basale, which is the deapest layer of the epidermis. These cells divide to create keratinocytes. 

2. Keratinocytes
The make up the majority of the cells in the epidermis. They synthesize keratin which are proteins that make up your hair, skin, and nails. They can also be found in other organs inside your body.  

3. Melanocytes
These cells can only be found in the stratum basale. They synthesize melanin with a brown to black pigment. These dark pigments serves as protection for the skin from harmful UV rays. 

4.Merkel cells
Merkel cells are also known as <em>tactile cells</em>. They are the sensory receptor for touch. Merkel cells and the nerve fiber together are called the Merkel disc. 

5. Dentritic cells
They are also known as <em>Langerhans cells</em>. They can be found in two layers of the epidermis: the stratum spinosm; and stratum granulosm. They are what you call macrophages that come from the bone marrow. They serve as immune cells that provide protection against toxins, microbes and other pathogens that try to penetrate the skin. 

Hope you find some information above that will help you.
3 0
3 years ago
PLEASE HELP!!!!!
madreJ [45]

What is Mutualism ? Mutualism or symbiosis mean when two or more animal benefit to each other.like america red tail eagle and eagle, and the zebra and Oxpeckers eat ticks and other parasites that live on their skin of the zebra and the zebra will help the Oxpeckers by walking long place.

What is predation? predation or parasitic mean when animal who is prey eat not prey.or predation is when a animal hunt the other animal for food (prey).example like the lion eat the deer.

What is Competition? Competition or commensalism is when two animal fight for the same food like chipmunks vs squirrel, because the chipmunks like to eat nut and the squirrel eat nut they fight for the same resource.

7 0
3 years ago
When there is a close relationship between two species that benefits at least one of the species, this is called _______.?
vodka [1.7K]
Answer:  "symbiosis" ;  or,  a "symbiotic relationship" .
_____________________________________________________________
6 0
3 years ago
Genes, which are the molecular units of heredity, are composed of specific sequences of four different__________.
Mashcka [7]

Answer:

Nucleotide bases.

Explanation:

Unique sequences of bases makes up a nucleotide. These nucleotide sequencing are used by DNA as a genetic code of information that determines type of cells, proteins and the whole organismal structure.

There are four nucleotide bases, Adenine and guanine termed purines are big, cytosine and thymine called pyrimidines are small. A purine pairs with a pyrimidine, such that adenine pairs with thymine and guanine pairs with cytosine. The bases are the same but each DNA uniqueness lies in the sequence of base pairing.

4 0
3 years ago
85 °F equals how many °C?<br> A:20.41<br> B:20.84<br> C:21.34<br> D:41.10. <br> E:29.44
klio [65]

Answer:

The answer is E

Explanation:

Hope this helps

7 0
3 years ago
Read 2 more answers
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