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Phoenix [80]
3 years ago
15

Megan observes four cells under a microscope and makes sketches of them as shown. Identify whether the cells are prokaryotic or

eukaryotic.
Biology
1 answer:
ioda3 years ago
3 0
Prokaryotes don’t have nucleus
Eukaryotic have nucleus
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contrast ionic covalent bonds. what happens to the valence electrons how does it affect the elements/compounds
alexgriva [62]

Answer:

The number of electrons in an atom's outermost valence shell governs its bonding behaviour. Elements whose atoms have the same number of valence electrons are grouped together in the Periodic Table. ... To form a covalent bond, one electron from the halogen and one electron from another atom form a shared pair.

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In which developmental stage are genetic malformations most likely to occur?
S_A_V [24]
<span>The answer would be: A) First trimester

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4 0
3 years ago
a) Name the structures that: i) Carry water and mineral salts to the leaf ii) Prevents too much water loss from the upper surfac
const2013 [10]

Answer:

a) i) Xylem

   ii) Upper epidermis  

   iii) Stoma

   iv) Chroloplast  

   v) Palisade cell layer

b) By a waxy layer on the cuticle of the leaf

Explanation:

The plant's leaves have a large surface area that is capable of absorbing sunlight. The plant's waxy layer in the surface of the leaf protects it from the loss of water, as well as of diseases caused by the entry of microorganisms. The palisade cell's surface is a single layer of cells underneath the upper epidermis that is adapted to absorb light energy.

The waxy layer is a primary physical barrier composed of insoluble polymers and lipids whose function is to protect the leaves against the entry of harmful organisms including virus, bacteria and fungus. Moreover, the plant's waxy cuticle is also a barrier that prevents the loss of water and solutes.

3 0
3 years ago
What are the three ingredients required for a healthy relationship
zavuch27 [327]
In my opinion, it always depends on the partner how they are going to maintain their healthy relationship.
But for my opinion, here are the top 3 ingredients for a healthier relationship:
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2. Trust - trust is one of the most important and essential ingredients of healthy relationships
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3 years ago
HELP ASAP PLEASE FAST HELP
Free_Kalibri [48]
THE ANSWER TO THAT IS B
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2 years ago
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