______ function mainly in cellular movement
O Microtubules
O Microfilaments
O intermediate filaments​

Answers

Answer 1

Answer: Microtubules function mainly in cellular movement.

Microtubules are responsible for a variety of cell movements, including the intracellular transport and positioning of membrane vesicles and organelles, the separation of chromosomes at mitosis, and the beating of cilia and flagella.

Microtubules are filamentous intracellular structures that are responsible for various kinds of movements in all eukaryotic cells. Microtubules are involved in nucleic and cell division, organization of intracellular structure, and intracellular transport, as well as ciliary and flagellar motility.


Related Questions

A relationship in which one species kills and consumes another species is known as
predation.
parasitism.
commensalism.
mutualism.

Answers

Predation is a biological interaction where one organism, the predator, kills and eats another organism, its prey

A relationship in which one species kills and consumes another species which is called as the Predation. So, the correct option is A.

What is Predation?

Predation is defined as the relationship in which one species kills and consumes another species. It is a type of community relationship in which organisms of one species, also known as predator, consume the tissues of organisms of another species, called prey, which means killing the prey and killing all or most of the prey organisms.

Herbivores are explained as predators in which the prey organism is a plant.  Predation is described as the natural way of transferring the energy fixed by plants to higher trophic such as snake eating a frog tiger killing and eating a deer.

Therefore,  the correct option is A.

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In both prokaryotes and eukaryotes, initiation of translation usually

a. begins immediately upstream of a Shine-Dalgarno sequence.
b. requires the action of release factors, which cause the small and large subunits of a ribosome to associate with one another.
c. requires the action of initiation factors.
d. begins at a UAG codon downstream of the 5’ UTR of an mRNA molecule.
e. begins only after ubiquitin has been added to the mRNA molecule to be translated.

Answers

Answer:

c. requires the action of initiation factors.

Explanation:

Transcription is the process by which a fragment of DNA (e.g., a gene) is used as a template to create a complementary RNA molecule, usually a messenger RNA (mRNA) molecule which is then used to synthesize a polypeptide chain (i.e., a protein) in the ribosomes by a process called translation. Initiation factors are proteins capable of binding the ribosome in order to promote (or prevent) the initiation of translation. In prokaryotic cells, the initiation factors IF1, IF2 and IF3 (IFs) are required for the selection and the quantity of the protein produced. In eukaryotic cells, translation initiation occurs when an initiator tRNA, 40S, and 60S ribosomal subunits are assembled by eukaryotic initiation factors (eIFs) into an 80S ribosome on the initiation codon of an mRNA. In eukaryotes, translation initiation is promoted and regulated by at least twelve eIFs (e.g., eIF1, eIF1A, eIF2, eIF3, eIF4, eIF5, eIF5A, eIF5B, etc) which are composed of many polypeptides.

Q.#11. Mitochondria and chloroplasts share structural and functional similarities. Which of the following
do both these organelles have in common?
A. generate ATP
B. create complex molecules
C. contain their own DNA D. are found inside vacuoles
E. are surrounded by a cell wall​

Answers

Answer:

b.

Explanation:

Both mitochondrial membrane and thylakoid of chloroplast possess phosphorylation for energy production in the form of ATP.

im desperate- thank you so so much to any who can help

Answers

Answer:

Layer A deposited, Layer B deposited, Erosion, Layer C deposited

Explanation:

Layer C is completely flat and is at the very top, meaning it's the most recently laid soil

Layer B has a rough, rocky surface, implying it eroded before Layer C layered on top

Layer A is flat and is the furthest to the bottom

I'm rusty on stratigraphy, so bear with me:

Law of superposition

Law of horizontality

Law of superposition

ba kiểu truyền tín hiệu của tế baò

Answers

Repost it in English please

in pea plants yellow seed color

Answers

I was a little confused so I did the best In pea plants, yellow seed color is the dominant trait, and green seed color is the recessive trait.

Scientific names of organisms consist of___________.
plz i need it

Answers

The answer is:
genus and species

A young plant growing from a seed is called a ...

Answers

Answer:

the answer is seedling

When a new volcanic island is formed, what type of succession would you see? Describe some things that might happen.

Answers

Answer:

primary succession

Explanation:

you would start to see bacteria, fungi and lichens grow as the pioneer species.

Monocercomonoides are a genus of single-celled organisms that live as parasites in the guts of small animals. They lack mitochondria, but other evidence shows them to be most closely related to members of the excavates. Looking at the tree for eukaryotes, what can you conclude about the Monocercomonoides?
A. Since excavates are eukaryotes, it is extremely unusual for one of them to lack mitochondria.
B. Excavates branched off before the evolution of mitochondria, so the absence is not surprising.
C. Since they are parasites of animals, they should be placed within the opisthokont branch of the tree.
D. A phylogenetic tree reflects evolutionary relationships, so they should be placed within the excavates.
E. Their lineage likely had mitochondria but lost them at some point.

Answers

Answer: A. Excavates branched off before the evolution of mitochondria, so the absence is not surprising.

C. Since they are parasites of animals, they should be placed within the opisthokont branch of the tree.

E. Their lineage likely had mitochondria but lost them at some point.

Explanation:

Based on the information given, the conclusion that can be made about the monocercomonoides include:

• Excavates branched off before the evolution of mitochondria, so the absence is not surprising.

• Since they are parasites of animals, they should be placed within the opisthokont branch of the tree.

• Their lineage likely had mitochondria but lost them at some point.

Why were fruit flies chosen?

Answers

Answer:

19099

Explanation:

we just make sure about my dear friend

Answer:

d

Explanation:

What is a working copy of DNA that leaves the nucleus of the cell? And is read by organelles called that connect amino acids together to make proteins

Answers

Answer:

Messenger RNA

Explanation:

What sugars are composed of short chains

Answers

The monosaccharides glucose, fructose, and galactose are single sugar molecules. The disaccharides sucrose, lactose, and maltose are double sugar molecules. Complex carbohydrates are chains of more than two sugar molecules. Short carbohydrate chains are called oligosaccharides and contain 3 to 10 sugar molecules.


show the outcome of the offspring genotypes and their
phenotypic ratio if parental genotype WWPP was cross bred with wwpp
(8)​

Answers

Answer:

Ww Ww Pp Pp Wp Pw Wp Pw

Explanation:

What is a working copy of DNA and is read by organelles called?

Answers

Answer:

Working copy of DNA is RNA (Ribonucleic acid)

The nucleus controls all of the cell’s activities, such as growth and metabolism, using the DNA’s genetic information.

Answer:

messenger RNA (mRNA)

Explanation:

The working copy of the DNA is called messenger RNA (mRNA). Its ready by  organelles such as ribosomes to manufacture amino acids to make proteins.

When curare, a neuromuscular poison, is dropped onto an isolated muscle-nerve preparation in a laboratory, the muscle does not contract when the nerve is stimulated, even though neurotransmitter is released from the nerve cell. Why does this happen

Answers

Answer:

Explanation:

Whenever the nerve terminal's action potential depolarizes, calcium enters the cell through the channels. Calcium allows acetylcholine (ACh) to be released more easily.  These ACh molecules subsequently circulate into the synaptic cleft and attach to the motor end-plate of the nicotinic cholinergic receptors. Acetylcholine molecules connect to nicotine ion-channel receptors present on cell membrane the of muscle cells, enabling the ion channels to open. Calcium ions then enter the muscle cell, kicking off a series of events that eventually result in muscular contraction.

Curare is a kind of neuromuscular relaxant blocker that is non-depolarized in nature. Nondepolarizing muscle relaxants work as competitive agonists, binding to ACh receptors but failing to activate ion channels. As a result, they inhibit ACh from bonding, preventing the development of endplate potentials and inducing muscle paralysis.


2. What is another word for sound quality?
timbre
interference
overtone
acoustics

Answers

Answer:

acoustics timbre are other words for sound quality

Answer:

I would say timbre.

Explanation:

I hope this helps u

•. What is the phenotypic ratio of complementary gene?
a) 1:2:1
b) 9:7
c) 13:3
d) 9:3:3:1​

Answers

I think the answer is b

According to the universal law of gravitation

Answers

Answer:

Newton's law of gravitation, statement that any particle of matter in the universe attracts any other with a force varying directly as the product of the masses and inversely as the square of the distance between them

In the SDS-PAGE (sodium dodecylsulfate - polyacrylamide gel electrophoresis) method, separation takes place on the basis of:_____________

a. charge only, because all particles have different charges, but the same mass.
b. the sieving action of the gel, because all particles have the same charge, but different masses.
c. the sieving action of the gel, because all particles have approximately the same charge/mass ratio, but different masses.
d. the chemical nature of the buffer used as the electrolyte.

Answers

Answer:

B

Explanation:

Sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE) is a method of separating molecules based on the difference of their molecular weight.

Can you catch a stomach flu/stomach virus/food poisoning from someone you gave it too, or is your immune system better after the first stomach flu/stomach virus/food poisonings that it's impossible, such as other viruses like the common cold?

Answers

Answer:

no i dont think so

Explanation:

this is because your body had alreay build immue to the stomach viruse after you had it

what is a Businesses favor:

Answers

Answer:

Like what would you want to do to start a business

Explanation:

To get rich and have a lot of money

How does a mutation in a sex cell differ from a mutation in a non-sex cell?
A. Mutations in sex cells are more deadly
0
B. Mutations in sex cells can be passed on to children.
c
C. Mutations in sex cells are chromosomal mutations.
a
D. Mutations in sex cells are silent mutations,

Answers

Answer:

B

Explanation:

B

A mutation in a sex cell (sperm or egg cell) differs from a mutation in a non-sex cell (somatic cell) in several ways: . Mutations in sex cells can be passed on to children and Mutations in sex cells are chromosomal mutations and may more.

How are mutations can be passed on to children ?

Mutations in sex cells can be passed on to children: When a mutation occurs in a sex cell, it can be passed on to the offspring and become a hereditary condition. On the other hand, mutations in non-sex cells cannot be passed on to offspring.

C. Mutations in sex cells are chromosomal mutations: Sex cells contain chromosomes, and mutations in these cells can result in chromosomal abnormalities that can affect the development and health of the offspring.

Thus, A and D are incorrect. Mutations in sex cells are not necessarily more deadly than mutations in non-sex cells, and they are not always silent mutations. The effects of a mutation depend on its location and the function of the gene affected.

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10. What processes found at hot spots will help form the following rocks? (4 points)
A. Metamorphic rocks
B. Igneous rocks
It’s not multiple choice I need a answer for both

Answers

Answer:

metamorphic rock

Explanation:

metamorphic rock simply means that the rocks have been geophysically altered. heat is always a primary source for alteratino of rock so the heat ofmolten rock generated by hot spots can easily cause an abundance of metamorphic rocks within the system

Consider the spread of the following emerging infectious diseases, using the chain of infection: E. coli O157:H7, Lyme disease, Ebola virus, hantavirus, influenza, tuberculosis, vCJD. For each disease, explain how the chain of infection can be interrupted?

Answers

Answer:

If one link is stop working.

Explanation:

There are six points at which the chain of infection can be broken or interrupted and a germ can be stopped from infecting another people. The six links are the infectious agent, reservoir, portal of exit, mode of transmission, portal of entry, and susceptible host. If one of the link is broken or interrupted, no infection occurs in the body of an individual because all the links are attached to each other in the form of chain which can stop working if one of it stop working.

Which of the following best describes why we see different moon phases?

A. The moon revolves around the Earth once a month.
B. The earth revolves around the moon once a month.
C. The amount of sunlight hitting the moon changes over time.
D. The earth revolves around the run once a year. (This one ??)

Answers

Answer:

It's C.

Explanation:

What we see as phases of the moon is the reflection of sunlight bouncing off the moon's surface.

We see different moon phases because the moon revolves around the Earth once a month.

FACTS ABOUT THE MOON:

The moon is the only satellite that the Earth has. The rotation of the moon around the Earth makes us experience day and night.

The moon as a celestial body does not possess a light of its own, hence, the light we see when looking at the moon is that from the sun.

It takes a month (about 27 days) for the month to complete its evolution around the Earth. Hence, we see different phases of the moon based on the part of the moon being lit by the sun.

This different phases of the moon we observe is only possible because the moon revolves around the Earth once a month.

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Legend has it that there was a less famous geneticist in the 1800s
named Megor Grendel. He did his experiments with the cats that lived in the monastery's barn. Here are some results from one of his 16 crosses:
Cross #3 Maggie (orange) x ? (possibly Tom, or maybe Bill)
Kittens:
1. light orange female
2. dark orange male
3. black female
4. light orange female with white paws
5. black male with white paws
6. orange ? (sex undetermined; died at birth)

Answers

Answer:

Few crosses

The complexity of cat genetics

Crosses not controlled by the researcher

Explanation:

The purpose of this question is to determine why  Megor Grendel is less famous than that of Gregor Mendel.

Gregor Mendel examined pea plants, which have a number of benefits for deducing genetic rules, including:

The researcher has total control over the crosses. Because the peas have both self and cross-fertilization, it is possible to alter the crosses in the simplest way possible. Pea plants may be examined for a greater series of generations than cats or other animals. Because plant genetics is not overly complicated, several traits may be investigated at the same period.

As a result, the primary factors why Megor Grendel's experiments are not well-known:

The presence of only a few crossings: It is impossible to establish a genetic theory with such a small number of crossings on the test subject of the organism. Cat genetics is too complicated therefore, the fur gene color on the X-chromosome, a characteristics mosaic inheritance. As a result, It is much too complicated to deduce an inheritance pattern. Crossings that the researcher cannot fully control. Unlike plants, crosses in animals cannot be totally controlled by the researcher.

As a result, it is impossible to draw any conclusions from them.

•. otal genomic structure of an organism inherited from parents is known as -
a) Gene
b) Allele
c) Phenotype
d) Genotype​

Answers

I think the answer is a sorry if I get it wrong

The graph below shows the changes in the number of species in an ecosystem
Species Diversity
300
200
Number of Species
|..
100
و 12 19 0
1989
1994
1980
Year
Which event was most likely the cause of the changes in species diversity in this ecosystem?
A large volcanic eruption
B A flash flood
Amatorado
D Amigration of cuts

Answers

A flash flood because it could wipe out people

What is the complimentary dna strand for TCTTAAATGATCGAT

Answers

Answer:

AGAATTTACTAGCTA

Explanation:

The DNA strand pairs are:

Adenine (A) -- Thymine (T)

Cytosine (C) -- Guanine (G)

and vice versa.

The given strand:

TCTTAAATGATCGAT

Based on the given pairs above, your answer will be:

AGAATTTACTAGCTA

~

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