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SSSSS [86.1K]
3 years ago
12

Why is igneous rock often used for gravestones, counter tops and building facades?

Biology
2 answers:
kicyunya [14]3 years ago
6 0
Igneous rocks, are used for building and construction because of the durability.
REY [17]3 years ago
3 0
I think they have the answer to this online regents answer and a non regents answer
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Macrophage cells undergo a process called phagocytosis in which material is brought into a cell in the form of membrane vesicles
Naddik [55]

The correct answer is: A. minus end; dynein

Microtubules are cytoskeletal fibers that have an important role in the intracellular transport (movement of vesicles within the cell) and in the mitotic spindle during mitosis. The plus end of the microtubules extend through the periphery of the cells while the minus ends are anchored within the centrosome.

Necessary proteins for the vesicle’s movement are motor proteins:

• kinesin  which is positive end directed

•  dynein which is negative end directed

So, beside vesicles these proteins are also involved in organelles’ transport in opposite directions through the cytoplasm.

4 0
3 years ago
How can a mutation give adults the the ability to digest milk? ​
m_a_m_a [10]

A single point mutation in the DNA near the lactase gene changes the cytosine (C) nucleotide to a thymine (T). Individuals with the thymine (T) nucleotide are lactose tolerant and can digest the milk products in adulthood.

learned from science learn written information since Sep 3, 2009 as said there

6 0
3 years ago
DNA is found in the nucleus of eukaryotic cells and the ribosomes, the location where proteins are made, are found out in the cy
Reika [66]

Answer:

See the answer below

Explanation:

<em>The DNA of eukaryotic organisms being present in the nucleus while the protein-synthesizing organelle, the ribosome being present in the cytoplasm poses a spatial problem. It means that transcribed DNAs (messenger RNA) in the nucleus would have to somehow be transported to the ribosome in order for the cell to successfully synthesize proteins.</em>

The problem of transporting the messenger RNA is solved by two features of the cell:

  • The presence of pores in the nuclear envelop
  • The presence of transport proteins in the nucleus

<u>The mRNA binds to the transport proteins to form mRNA-protein complexes and is transported through the nuclear pores, often with the assistance of ATP. </u>

3 0
3 years ago
Ethics focuses on moral issues. Using ethics, people attempt to determine what is good and bad or what is right and wrong.
Romashka [77]

Answer:

D. all of these.

Explanation:

All of these are the questions that involves ethical considerations because the method used in these questions are not doing naturally. Vitro fertilization is the fusion of woman's egg with the sperm of male outside the uterus of women which is unethical. Testing of unborn children in the womb for genetic disorders and producing genetically modify plants are also unethical because it does not occur naturally. It occurs due to intervention of humans in God's creation.

8 0
3 years ago
According to the principle of stratigraphy which layer in a rock formation would you expect to be the oldest
Olegator [25]
The answer would be the Base layer
6 0
3 years ago
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