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Burka [1]
3 years ago
11

I would greatly appreciate it if some can Please help me asap!!!

Biology
1 answer:
zimovet [89]3 years ago
4 0

Answer:

A taproot

Explanation:

A taproot will most likely benefit a desert plant because a taproot is a large long root that gets deep into the soil because in a desert the soul isnt fertile and is also sandy so a fibrous root system would be less beneficial because it will absorb less nutrients and will have a hard time clinging on a sandy soil while a taproot can reach further into the fertile part of the soil.

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Neurotransmitters transmit ____________ between ____________ , from neurons to glands, from neurons to organs, and from neurons
astraxan [27]

Answer:

1. Nerve impulse

2. Neurons

Explanation:

Neurotransmitters are compounds with low molecular weight. They are secreted by axon terminals of the neurons. The released neurotransmitters then bind to the receptors located on next neuron or on the surface of muscle cell.

The function of neurotransmitters is to carry the nerve impulse from presynaptic neuron to the postsynaptic neuron or from neurons to the effector organs such as muscles and glands.  

For example, neurotransmitters are released into the synaptic cleft to transmit the nerve impulse between neurons.  

3 0
3 years ago
How does a catalyst influence a chemical reaction?
denpristay [2]

Answer:

A catalyst speeds up a chemical reaction, without being consumed by the reaction. It increases the reaction rate by lowering the activation energy for a reaction.

Explanation:

5 0
4 years ago
Read 2 more answers
During gastrulation in frogs, cells from the animal pole spread over the embryo and form the _____.
timama [110]
<h3><u>Answer;</u></h3>

Ectoderm

During gastrulation in frogs, cells from the animal pole spread over the embryo and form the <u>ectoderm</u>.

<h3><u>Explanation</u>;</h3>
  • <em><u>Gatrulation is when the three germ layers form around the embryo in preparation for the next step of embryogenesis, that is organogenesis. The three germ layers namely; ectoderm, endonderm and mesoderm are the basis of all the organs that will form after this stage.</u></em>
  • Ectoderm is the outermost layer, which later froms may different lining such as the outer layer of the skin, esophagus, and many other organs. Endoderm is the inside layer of gastrula and forms the digestive tract of the embryo. Mesoderm is the middle layer and ends up becoming the skeletal muscles of organisms as well as bones, blood, and sex organs.
8 0
3 years ago
The receptor potential is generated at the _______. the receptor potential is generated at the _______. receiving region secreto
Andre45 [30]
Receptor potential  is   generally  at   the  receiving  region. The  receptor potential(also  called  generator   potential) can  work  to  trigger  an  action  potential  either  within  the  same  neuron  or  adjacent  cell.Within  the  same neuron  the  receptor  potential  causes  local  current  flow  to  the  region  responsible   for  action  potential.

4 0
4 years ago
Read 2 more answers
g you are given three bacterial cultures: Pseudomonas aeruginosa, Shigella sonnei &amp; Escherichia coli and you carry out a Tri
dezoksy [38]

Answer:

Test Tube 2 (<em>S. sonnei)</em>

Explanation:

Triple sugar iron agar test is the microbiological assay used to test the fermentation reaction performed by the bacteria. The fermentation process differs based on substrate and the acids formed as a byproduct.

The test is based on the byproduct formed as a result of fermentation. The test tube contains 1% lactose, 1% sucrose and 0.1 % glucose, ferrous sulphate, phenol red pH indicator.

When the bacteria ferment any of the three sugar, the medium turns yellow.

In test tube 1- The tube shows pink slant, pink butt and no black precipitate which indicates that no fermentation took.

In test tube 2- the tube shows pink slant, yellow butt and no black precipitate due to fermentation of Glucose only due to alkali acid reaction.

In test tube 3- the tube shows yellow slant and yellow butt which shows that glucose and either lactose or sucrose has been fermented.

Thus, test tube 2<em> (S. sonnei</em>) is the correct answer.

6 0
3 years ago
Read 2 more answers
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