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Alika [10]
3 years ago
8

Which model shows a prokaryotic cell? a. I b. II c. III d. IV

Biology
1 answer:
Cloud [144]3 years ago
6 0
You didn’t show the models but Prokaryotes are unicellular organisms that lack organelles or other internal membrane-bound structures. Here is a picture. I hope it helps
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Identify the respiration system of amoeba​
Arturiano [62]

Explanation:

In amoeba respiration takes place through its cell membrane also called the plasma membrane. Amoeba gets oxygen gas dissolved in surrounding water through its plasma membrane by the process of diffusion. The oxygen gas diffused inside the body is used up by the amoeba. In the body, the oxygen gas absorbed is used to break down the complex food material into simple molecules. During these metabolic reactions in the body of amoeba, the oxygen gas is converted into carbon dioxide gas. The carbon dioxide gas is also liberated in the surrounding water through the same process of diffusion.

Since amoeba needs oxygen for respiration, the type of respiration is aerobic respiration.

8 0
3 years ago
Can somebody solve this problem for me please
Lyrx [107]
The correct answer is the Third Box
5 0
3 years ago
It takes approximately _____ action· potentials from olfactory receptors for us to perceive· an odor· .
taurus [48]
Action potentials (i.e. nerve impulses) occur in several types of animal cells<span>, called </span>excitable cells<span>, which include </span>neurons<span>, </span>muscle cells<span>, </span>endocrine<span> cells, and in some </span>plant cells<span>. </span><span>It takes around 40 action potentials for a smell sensation to be reported.</span>
3 0
4 years ago
Mr. Palazzo, a fisherman in his late 60s comes to your clinic complaining of small ulcers on his forearms, face and ears. He has
azamat

Answer:

Most likely diagnosis is Basal Cell Carcinoma (BCC), most likely caused by years of prolonged exposure to sunlight over time.

Explanation:

Basal Cell Carcinoma (BCC) is a common type of skin cancer that develops when the basal cells that is responsible for producing new skin cells when they die, become mutated and causes the basal cell to abnormally multiply rapidly and continues to grow. The accumulation of these abnormal cells is what results  in cancerous tumors that appears like ulcers on the skin. Prolong and intense exposure to the ultraviolet (UV) radiation from sunlight has been linked to the most likely cause for the mutation of the DNA in the basal cells which leads the abnormal cell growth and multiplication. People who expose themselves to the radiation of the sun for longer periods, over time, are at high risk of developing this cancer.

6 0
3 years ago
Explain the difference between homology and analogy using a wolf, a whale, and a shark:
allochka39001 [22]

Answer:

Explanation:

Analogy refers to traits or structures like body shapes, fins which evolved independently that are similar in organisms that are not related by the same common ancestor. For example dolphins and shark have similar body structures like fins but they are unrelated. Whale and shark too. Whales are mammals, sharks are fish.

Homology refers to traits or structures

posses by organisms that are related by common ancestors. Example wolf and whales.....they are both mammals.

5 0
3 years ago
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