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Darina [25.2K]
2 years ago
6

Define dorsiventral leaf​

Biology
2 answers:
fomenos2 years ago
6 0
A dorsiventral (Lat. dorsum, "the back", venter, "the belly") organ is one that, like an ordinary leaf, has two surfaces that differ in appearance and structure from each other. As a synonym for dorsoventral organs, those reaching from the dorsal to the ventral surface, this term has also been used.

blagie [28]2 years ago
6 0
A dorsiventral (Lat. dorsum, "the back", venter, "the belly") organ is one that has two surfaces differing from each other in appearance and structure, as an ordinary leaf. This term has also been used as a synonym for dorsoventral organs, those that extend from a dorsal to a ventral surface.
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Typically, urea broth is filter-sterilized because autoclaving breaks down the urea. However, even unsterilized broth rarely pro
Anni [7]

Answer:

When organisms use urea, ammonia is generated during incubation, which makes the reaction of these media alkaline

Explanation:

Urea broth preparation:

Suspend 3.87 grams of the medium in 100 ml of distilled water without heating. When the powder dissolves, sterilize by filtration. Dispense quantities of 0.5 to 2 ml in small sterile tubes. Larger volumes may be used but the reactions will be slower. Do not sterilize in autoclave.

Do not boil the medium.

If no filter is available, the medium can be sterilized at 100-110 ° C for 10 minutes. If the medium is prepared and inoculated immediately, it provides good results without sterilization.

8 0
3 years ago
5. Atoms with a(n) blank share electrons.
lyudmila [28]

Answer:

Noor

Explanation:

Noor

3 0
2 years ago
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Can mutated DNA sequences be passed from parent to offspring
kakasveta [241]

Answer:

Mutation- A change in genetic structure of a organism is called as mutation.

It can be inherited to offspring if it is <em>germline or germinal mutation</em> , <em>mutation that occurs in germ cells like sperm and ovum.</em>

Explanation:

Each of the genes of a child is the copy of his parents,  one from mother and one from father.  Any kind of changes or mutation in any genes of them can be inherited to child

<em>Mutations caused by environmental factors can not transferred to next generation. Mutation caused by UV radiation, smoking, sunlight are non inheritable..</em>

4 0
3 years ago
The major difference between starch, glycogen, and cellulose and their adjacent glucose subunits is the ________.
sveta [45]

Answer:

<u>Starch</u> is the storage form of glucose (energy) in plants and the glucose molecules are linked by alpha 1,4 glycosidic linkage.

<u>Cellulose </u>is a structural component of the plant cell wall and glucose molecules are linked by beta 1,4 glycosidic linkage.

<u>Glycogen</u> is the storage form of glucose (energy) in animals and glucose molecules are linked by alpha 1,6 glycosidic linkage.

Explanation:

All of these sugars are polysaccaride sugars containing large number of glucose subunits.

Starch is a polysaccharide extracted from agricultural raw materials. It contains amylose and amylopectin. Amylose is an un-branched chain polymer of D-glucose units while amylopectin is a branched chain polymer of D-glucose units.

Glycogen is the storage form of glucose in animals, It is stored in muscles and liver and it is a branched polysaccaride.

Cellulose is the storage form of glucose in plants and leaves.

8 0
3 years ago
If someone adds millions of small fish to a lake, how would the number of big fish change?
nasty-shy [4]
It depends on what the big fish and the small fish eat
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3 years ago
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