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pishuonlain [190]
3 years ago
10

How do the outer layers of cells on the underside of a leaf work to gather carbon dioxide?

Biology
1 answer:
RSB [31]3 years ago
5 0
The only way for gases to diffuse in and out of the leaf is through small openings on the bottom of the leaf, the stomata.
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On-center cells: A. are excited by light that falls in the periphery of their receptive field. B. are excited by light that fall
Elena L [17]

Answer: B) are excited by light that falls in the center of their receptive field.

Explanation:

There are two types of bipolar cells present in the retina which are differentiated on the way the centres of their receptive fields respond to light. The names of bipolar cells are ON-centre and OFF-centre.

If a light fall at the centre of the receptive field of a bipolar cell, it will experience an exciting effect on that cell, resulting in it being depolarized, it is an ON-center cell.

Hence, the correct option is B.

6 0
3 years ago
What is true about elements and compounds elements contain two or more compounds conpounds contain two or more elements compound
statuscvo [17]

Answer:

Taking into account the concepts presented in chemistry with respect to elements and compounds, it is possible to affirm that the compounds are formed by two or more elements.

Explanation:

Two or more chemical elements have the ability to bind -by forming bonds- to obtain a compound. This occurs randomly in nature.

The bonds between the elements that form a compound must be stable enough to ensure the stability of the molecule. A chemical compound can only be separated into the elements that form it by chemical processes.

The bonds types that form compounds can be:

  • <em>Ionic bond.</em>
  • <em>Covalent bond.</em>
  • <em>Coordinated covalent bond.</em>
  • <em>Metallic bond.</em>

It is necessary to mention that chemical elements are called atoms, and the bonds between them are molecules. The physical and chemical properties of a compound will be different from the properties of the elements that form it.

Learn more:

brainly.com/question/2835401

5 0
3 years ago
What two words best describe bacterial reproduction? Why?
lara31 [8.8K]

Answer:

Produces, and Divides

Explanation:

Bacterial Reproduction is a single cell that divides into two identical daughter cells.

4 0
3 years ago
Which type of mutation does the model demonstrate?
ahrayia [7]

Answer:

G

Explanation:

TATC is being inserted into the sequence

4 0
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5. Which of the following statements best describes the response of finches to drought on the Galapagos Islands?
saw5 [17]

Answer:

ob ;]

Explanation:

3 0
3 years ago
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