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Rina8888
13 days ago
13

The extracellular matrix is thought to participate in the regulation of animal cell behavior by communicating information from t

he outside to the inside of the cell via which of the following?
A) gap junctions
B) the nucleus
C) DNA and RNA
D) integrins
E) plasmodesmata
Biology
1 answer:
-BARSIC- [1.9K]13 days ago
8 0
D. integrins. Explanation: The extracellular matrix comprises a complex framework of proteins and carbohydrates found in the areas outside cells. Collagen proteins, modified with carbohydrates, form collagen fibers that intertwine with proteoglycan complexes consisting of polysaccharides and proteins. This structure is vital for maintaining mechanical strength and structural support for tissues. Integrins, located within the cell membranes, are essential connections between fibers in the extracellular matrix and neighboring cells. They also enable cell communication by detecting both mechanical and chemical signals from the extracellular matrix and triggering intracellular signaling pathways.
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Which of the following best describes an advantage that eukaryote organisms have over prokaryote organisms?A) Prokaryotes lack a
vlada-n [1829]

Answer:

The correct option is D.

Explanation:

Eukaryotic cells are characterized by the presence of a nucleus and organelles enveloped by membranes. Their name is derived from the term eukaryote, which translates to true nucleus. These cells can exist as unicellular or multicellular organisms, with notable examples including fungi, certain unicellular forms, plants, and animals.

In contrast, prokaryotic organisms include all entities lacking membrane-bound organelles and a nucleus, such as viruses, bacteria, and specific algae.

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23 days ago
What are some shared characters among rabbits and perch?
lana [1794]
The only "perch" that I found to be an animal is a type of fish. Perch is the common name for the fish categorized under the genus Perca. They are classified as freshwater gamefish.

There are three species of perch:
1)  European perch<span> (</span>Perca fluviatilis<span>) - located in </span>Europe<span> and </span>Asia.
2)  Balkhash perch<span> (</span>Perca schrenkii<span>) - native to </span>Kazakhstan, Uzbekistan<span>, and </span>China.
3)  Yellow perch<span> (</span>Perca flavescens) -<span> found in </span>the United States<span> and </span>Canada.

Common traits between rabbits and perch include:
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3 0
23 days ago
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Describe the conditions necessary for sublimation to occur.
-BARSIC- [1936]
The term sublimation refers to a chemical transformation where a solid converts directly into a gas without transitioning through the liquid phase.

The required conditions for this to occur are:

1- The pressure must be below the triple point.

2-The temperature needs to be sufficiently high to create a gas.

3-The material has to be in its solid phase.
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garik1379 [1541]

Answer:

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They are entirely identical in every aspect, sharing the same genes and allele configurations.

Still, minor variations can occur between the identical sister chromatids due tomutations fromerrors during replication, and differences can also arise in the lengths of telomere repeats.

Non-sister chromatids differ as they arise from separate haploid sex cells during fertilization. These chromatids come from distinct parents and possess different genetic compositions since they do not lie on the same homologous chromosomes. This is why crossing-over results in genetic variation.

However, they may still exhibit genetic similarities if they are part of homologous chromosomes. This is because Synapsis of the bivalents in these chromosomes permits the exchange of genetic material through crossing-over between non-sister chromatids, thereby sharing identical genetic traits.

Explanation:

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A student models moon phases. She holds a foam ball on a stick in front of her body and then stands in front of a light as shown
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Answer:

D

Explanation:

I took the exam

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