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V125BC [204]
2 years ago
8

Which motion of particles across a membrane requires energy?

Biology
2 answers:
Lemur [1.5K]2 years ago
8 0

Answer:

B. From low concentration to high concentration

Explanation:

Allushta [10]2 years ago
4 0

Answer:

B. From low concentration to high concentration

Explanation:

I got it right on edge :)

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You are carefully examining a living organism. Which of the following should convince you that the organism is acoelomate?
matrenka [14]

Muscular activity of its digestive system distorts the body wall should convince you that the organism is acoelomate.

<h3><u>Explanation:</u></h3>

An animal that does not have body cavity refers to an acoelomate. It is in contrast with the eucoelomates which are the animals that have body cavity. The acoelomate will not have a cavity which is filled with fluid between the digestive tract and the body. Hence there will be a distortion of body wall by the muscular activity of the digestive system.  

Some of the examples of acoelomate  are Cnidaria,Porifera , Platyhelminthes, Placozoa ,Gnathostomulida.Nemertina and Mesozoa. The presence of pseudocoelom in which the body cavity will not be lined by the mesodermal cells are the Pseudocoelomate.

5 0
3 years ago
Michael, 25 years old, has had mitral valve regurgitation since age four, after having rheumatic fever. michael is planning to g
Juli2301 [7.4K]

The answer is penicillin

Rheumatic fever is a disease that caused by Group A streptococcus infection. The bacteria has component that similar to the heart valve cells, makes the immune cell attack it. The drug of choice for this infection is penicillin G benzathine injection. It is one of penicillin family drug that has high prevalence of allergy reaction, so you must be aware.

5 0
3 years ago
How does an octopus move without having a single bone in it's body?
-BARSIC- [3]
Octopus<span> muscle fibers run in all directions; when contracted, they form a "skeletal" support system.</span>
6 0
2 years ago
Identify the steps of the carbon cycle
Darina [25.2K]

Answer:

Photosynthesis, Decomposition, Respiration and Combustion.

Explanation:

6 0
1 year ago
Describe how it is possible for us to differentiate between stimuli of different modalities in the same body part (i.e. fingerti
sdas [7]

The stimulus modality is one in which the body response to the stimulus and respond in each way accordingly. Two different stimulus can be used at two different time to sense different operation

Explanation:

There are five different types of sensory modalities and they are the visual auditory gustatory olfactory and the receptors. They function to identify the taste, smell, heat, light and sound. When a specific function is done the following sensory receptors are activated and they respond to the stimulus.

The sensory receptors at the finger tip are stimulated when we touch a hot or a cold object this is one type of function. On the other hand the synapses which occurs at the brain are due to the modulus of the brain activities like vision and responding to the activities.

7 0
3 years ago
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