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ivanzaharov [21]
3 years ago
8

My main organs are the heart and blood vessels. What am I?

Biology
1 answer:
Oksi-84 [34.3K]3 years ago
3 0

Answer:

cardiovascular system

Explanation:

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Given what you know about the endosymbiotic theory, which region of the chloroplast below would you expect to be derived from th
san4es73 [151]

Answer:

Photosynthetic lamellae

Explanation:

The cyanobacteria were the first successful photosynthetic cells present on the Earth which were able to convert the light energy into the chemical energy.

The endosymbiosis theory suggested that these cyanobacteria were engulfed by the eukaryotes and the cyanobacteria get transformed into the chloroplast.  

The region of the chloroplast that was formed in the cyanobacteria before the endosymbiosis happened was the photosynthetic lamellae which contained the chlorophyll molecule and thus is the correct answer.

Thus, Photosynthetic lamellae are the correct answer.

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When might an organism rely on fermentation to produce the energy it needs?
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When there is not enough oxygen for cells to use cellular respiration<span />
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Chlamydia is often asymptomatic. Why might it be important for an individual to know if he or she were infected?
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Chlamydia is a disease transmitted by sex with someone infected. Its caused by bacteria and often is asymptomatic.

Treatment is with antibiotics, and it's essential to know if one is infected because in women can cause infertility, and in males can cause urethra complications like inflammation and obstruction.

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3 years ago
Height, hair color, eye color, and intelligence are traits passed on by ______.
Morgarella [4.7K]
All of these things are caused by Genes, so your answer is A. When two reproductive cells fuse, their traits are either dominant, or recessive. Dominant traits are displayed.
5 0
3 years ago
Use the drop-down menus to identify the types of neurons described below. carry information from the sense organs such as the to
Oduvanchick [21]

Answer:

There are three types of neurons are present i. e. sensory neuron, motor neurons and inter neurons.

Explanation:

Sensory neurons are the nerve cells which is responsible for sending the information from the sense organs such as tongue, nose, skin, ears, and eyes to the spinal cord and the brain while the motor neurons are responsible for the transportation of instruction from the brain and spinal cord to the muscles. The inter neuron helps in communication between motor or sensory neuron and the nervous system.

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