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soldi70 [24.7K]
3 years ago
14

Do bacteria have nuclei

Biology
2 answers:
Margarita [4]3 years ago
7 0
No they don’t have nuclei
a_sh-v [17]3 years ago
6 0

No, bacteria does not have a nucleus since bacteria is considered to be a prokaryote.

Hope this helps,

Davinia.

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What organisms can get up to 10 centermeters in size
Svetach [21]
<h2><u>Answer:</u></h2>

A Single-Celled Organism

<h2><u>Explanation:</u></h2><h3><u></u></h3>

The giants of the deep are so-called xenophyophores, sponge-like animals that—like amoebas—are made of just one cell. They were found during a July research expedition run by the Scripps Institution of Oceanography in La Jolla, California.

The animals are about four inches (ten centimeters) long—among the largest single-celled organisms known to exist.

The creatures were discovered at depths of 6.6 miles (10.6 kilometers). That breaks a previous record for xenophyophores found in the New Hebrides Trench at 4.7 miles (7.6 kilometers).

Xenophyophores represent, <u>"one of the few groups of organisms found exclusively in the deep sea,"</u> said Lisa Levin, a Scripps oceanographer who studied the expedition's data.

<u>"If any creatures should be able to live at the ocean's greatest depth, then xenophyophores certainly should be among them."</u>

The Mariana xenophyophores were seen in footage from Dropcams, free-falling devices equipped with lights and digital video that were developed by the National Geographic Society. (The Society owns National Geographic News.)

Protected by thick walls of pressure-resistant glass, the Dropcams were baited to attract whatever marine life might be lurking in the deep. Expedition scientists also saw, for instance, the deepest-swimming jellyfish to date. (Watch a video of the expedition.)

<u>"The deep sea is the largest biome on Earth and holds much of the diversity on the planet—[yet it's still] largely undescribed,"</u> Levin said in an email to National Geographic News.

(Also see, <u>"Pictures: Hard-to-See Sea Creatures Revealed."</u>)

According to Jon Copley, a marine biologist at the U.K.'s University of Southampton, <u>"many of the major discoveries in deep-sea biology have come from making direct observations at the seafloor."</u>

<u>"The Dropcam is a great tool for the future, because it can help us see more of what's down there for less cost than using ROVs or submersibles,"</u> he said via email.

For instance, <u>"finding xenophyophores far deeper than before shows how much we still have to learn about our oceans depths and their inhabitants."</u>

Tullis Onsott, an expert in deep-sea microorganisms at Princeton University, also called the xenophyophore discovery, <u>"fantastic."</u>

7 0
3 years ago
NEED HELP ASAP‼️‼️‼️‼️ I WILL CASH APP YOU 10$ if correct Help ‼️
Rama09 [41]
Don’t want the money. It’s the third option met, Val, lys, arg, glu, ser
8 0
3 years ago
A wolf pack hunts, kills, and feeds on a moose. In this interaction, the wolves are
ch4aika [34]
Hi there, thanks for asking a question here on Brainly.

When a <span>wolf pack hunts, kills and feeds on a moose the wolves are considered predators toward the moose. 

Answer: Predators </span>✅

Hope that helps! ★ If you have further questions about this question or need more help, feel free to comment below or leave me a PM. -UnicornFudge aka Nadia 

4 0
3 years ago
Dr. Han is studying which brain structure is associated with aggressive behavior among rats. Which part of the brain is she like
djyliett [7]

Answer:

The correct answer is - The amygdala

Explanation:

The amygdala is the part of the brain that is found in the medial temporal lobe of the brain. It is an almond-shaped structure of neurons. The amygdala is an essential region of the brain that has a major role in processing emotions such as aggression and others. It is the region of the limbic system that presents both sides of the brain.

Thus, the correct answer is - the amygdala.

7 0
3 years ago
Compared to neurotransmitters, hormone effects are generally________.
Drupady [299]

Answer:

a. more widespread in the body and affect distant targets.

Explanation:

Hormones are released into the blood by the dustless endocrine glands and the circulating blood delivers hormones to cells throughout the body. Therefore, hormones affect the distantly located cells throughout the body. For instance, growth hormone released by pituitary gland affects soft and hard tissues throughout the body.  

On the other hand, the nervous system release neurotransmitters that affect the postsynaptic neuron or the muscle or gland cells present close to the site of their release. Target cells of neurotransmitters are more limited and include muscle (smooth, cardiac, and skeletal) cells, gland cells, and other neurons only.  

6 0
3 years ago
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