I NEED HELP PLEASE!!!11-12

I NEED HELP PLEASE!!!11-12

Answers

Answer 1

Answer:

11. Centrioles, asters, and spindles are mitotic structures responsible for pulling apart the sister chromatids.

12.The centriole

Explanation:

Answer 2

Centrioles, asters, and spindles are mitotic structures responsible for pulling apart the sister chromatids during meiosis.  The centriole anchors the spindle.

What are sister chromatids?

One of a chromosome's two identical halves that has been replicated in preparation for cell division is known as a chromatid. The centromere, a constrictive area of the chromosome, is where the two "sister" chromatids are linked.

Spindle fibers that are attached to the centromere pull the sister chromatids to the opposing sides of the cell during cell division. The cell divides into two shortly after, producing daughter cells with the same DNA.

Anaphase begins with the division of sister chromatids, which is followed by the movement of the chromosomes toward the spindle poles.

Therefore, Centrioles, asters, and spindles are mitotic structures responsible for pulling apart the sister chromatids during meiosis.  The centriole anchors the spindle.

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Related Questions

What is cell differentiation?. Single choice.
A. The process of cells developing into cells with different functions.
B. The process in which a male sex cell fertilizes a female sex cell forming an embryo.
C. The process of animals developing changes to their physical traits over a long period of time.
D. The process of animals obtaining energy by consuming both plants and animals.

Answers

i think it’s B but i’m not sure...

Define power and describe how to determine power. In your own words. (3-5 sentences)

Answers

Answer:

My answer is in my explanation!!

Explanation:

Power is the rate at which work or energy is transferred.

Power is the product of voltage times amperage. (V x I = P)

First correct answers get Brainlies. Spam answers get flagged.

New Zealand has a population of 4,326,380 and has an area of 103,736 miles squared while Australia has an area of 2,967,909 miles squared and a population of 21,905,140. Explain how New Zealand can have a larger population density than Australia even though it has a smaller total population.

Answers

The reason they have a higher population density is because they have more people on average in a certain area, because New Zealand is smaller they are given less space to live, this means that more people are crammed together, making the density of people within a square mile higher. When you give less square miles, you reduce the amount you have to divide the population by, which makes the density go up.

( In case you wanted the calculations for the density on New Zealand and Australia, it is about 41 to 42 people a square mile in Zealand, and maybe 7 or 8 per square mile in Australia.)

Hope this helps, if not, comment below please!!!

Where are the tectonic plates located?

Answers

Answer:

The outermost part of Earth's structure is known as the lithosphere. The lithosphere consists of the crust and small portion of the upper mantle. The lithosphere is divided into a number of tectonic plates. These plates move and interact with one another, driven by convectional forces within the Earth.

Explanation:

Which pair of atoms or ions?

Answers

Answer:

Part B

Explanation:

explain how different photosynthesis modes allow plants to adapt to particular environments​

Answers

Autotrophs- include plants, algae, and cyanobacteria and are photosynthetic organisms. Heterotrophs- are consumers that get energy by feeding on autotrophs. Both use organic molecules produced by photosynthesis as a source of building blocks for growth and repair and as a source of chemical energy for cellular work.

Explain how tropism affects plants' growth?

Tropisms can cause plants to grow either away or towards external stimuli.
Tropisms produce chemicals that cause plants to only grow taller.
Tropisms produce chemicals that only affect the growth plants' roots.
HELP AND HURRY!!!

Answers

Answer:

I think Tropisms help the plants like adapt in their environment

Answer:

Explanation:

Is it A.?

What holds amino acid chains within a protein in shape?​

Answers

Answer:

Proteins are the end products of the decoding process that starts with the information in cellular DNA. As workhorses of the cell, proteins compose structural and motor elements in the cell, and they serve as the catalysts for virtually every biochemical reaction that occurs in living things. This incredible array of functions derives from a startlingly simple code that specifies a hugely diverse set of structures.

In fact, each gene in cellular DNA contains the code for a unique protein structure. Not only are these proteins assembled with different amino acid sequences, but they also are held together by different bonds and folded into a variety of three-dimensional structures. The folded shape, or conformation, depends directly on the linear amino acid sequence of the protein.

Explanation:

Write two sentences using the vocabulary words above about plant cells:​

Answers

Answer:

Cells are the basic unit of a living organism and where all life processes are carried out. Animal cells and plant cells share the common components of a nucleus, cytoplasm, mitochondria and a cell membrane. Plant cells have three extra components, a vacuole, chloroplast and a cell wall.

Explanation:

PLEASE HELP!!!!!
I’m so confused on this question, can I please get an explanation?

Question: CREB (transcription factor) would be considered what type of molecule in the signaling cascade pathway?

Answers

Answer:

hmm thats a hard one

Explanation:

tbh tbh tbht b

What type of substance do humans make?

Answers

Answer:

Almost 99% of the mass of the human body is made up of six elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. Only about 0.85% is composed of another five elements: potassium, sulfur, sodium, chlorine, and magnesium. All 11 are necessary for life.

Explanation:

Brainliest; please?

Pls need help with this

Answers

Answer:

8. respiratory 9.minors

Explanation:

WILL MARK BRAINLIEST!!!! Can someone help me wit dis question?
Summarize in 2-3 sentences the process of photosynthesis

Answers

Answer:

Photosynthesis is a chemical reaction where plants take in carbon dioxide (CO2) and water (H2O) through its stomata. With the help of sunlight and chlorophyll, which is found in its chloroplast, it is used to produce glucose (C6H12O6) and oxygen (O2). It converts light energy (sunlight) to chemical energy.

Explanation:

Answer:

please mark me brainlest!!

Explanation:

photosynthesis, plants take in carbon dioxide  and water from the air and soil. This transforms the water into oxygen and the carbon dioxide into glucose. The plant then releases the oxygen back into the air, and stores energy within the glucose molecules.

It is convenient to divide the photosynthetic process in plants into four stages, each occurring in a defined area of the chloroplast: (1) absorption of light, (2) electron transport leading to the reduction of NADP+ to NADPH, (3) generation of ATP, and conversion of CO2 into carbohydrates (carbon fixation).

How did photosynthesis and cellular respiration affect Earth's atmosphere?

Answers

Answer: it is line A the other person is wrong.

Explanation:

The process of respiration produces energy for organisms by combining glucose with oxygen from the air. During cellular respiration, glucose and oxygen are changed into energy and carbon dioxide. Therefore, carbon dioxide is released into the atmosphere during the process of cellular respiration.

hope this helps

While cellular respiration emits carbon dioxide into the environment, photosynthesis absorbs carbon dioxide.

What is cellular respiration?

Cellular respiration is a sequence of chemical processes that decompose glucose to generate Energy, which is then utilized as fuel to power a variety of reactions all through the body.

Cellular respiration consists of three major steps: glycolysis, the citric acid cycle, and oxidative phosphorylation.

The goal of cellular respiration is straightforward: it provides cells with the energy they require to function.

The greater the rate of photosynthesis relative to respiration, the faster ecosystems 'take in' atmospheric carbon.

As CO2 levels in the atmosphere rise due to human activity, causing global warming, the balance between photosynthesis and respiration in individual plants can shift.

Thus, this way, photosynthesis and cellular respiration affect Earth's atmosphere.

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Why does dna need to replication short answer please

Answers

DNA replication needs to occur because existing cells divide to produce new cells.Each cell needs a full instruction manual to operate properly. So the DNA needs to be copied before cell division so that each new cell receives a full set of instructions!

HOPE IT HELPS YOU OUT PLEASE MARK IT AS BRAINLIEST AND FOLLOW ME PROMISE YOU TO FOLLOW BACK ON BRAINLY.IN

HELP ME PLEASE 10 POINTS

Answers

Answer:

b

Explanation:

L 1.4.2 Test (CST): Computer-Scored Unit Test
Question 16 of 25
The development of cars has been good in some ways and bad in others. The
car has allowed for better transportation but it is also responsible for a great
deal of pollution. Which activity helps solve the pollution problem through the
use of new technology?
A. Building fewer cars
B. Encouraging people to walk more
C. Encouraging people to ride a bus
D. Building cars that give off less pollution
SUBMIT

Answers

Answer: D)  Building cars that give off less pollution!

Hope this helps!! :D

Which term describes an enzyme?

Answers

Answer:

What defines an enzyme?

The ever famous description :

All enzymes are proteins but not all proteins are enzymes.

Oh I remember that well.

So the other descriptions of enzymes are :

Sensitive to Heat

Sensitive to pH

A catalyst

Specific substrates

HOPE THIS ANSWER HELPED :)

Can someone help me please ​

Answers

Answer:

1: Carbon Dioxide

2: oxygen

3: Oxygen

4: water

these are what I think but there's a very high chance I'm wrong, sorry  

The reactants for photosynthesis are carbon dioxide, water and sunlight (light energy).

true or false

Answers

the answer is true!!

Explain how an imbalanced ecosystem be beneficial

Answers

Answer:

Ecological balance is a term used to describe the equilibrium between living organisms such as human being, plants, and animals as well as their environment. ... Therefore, this balance is very important because it ensures survival, existence and stability of the environment

Explanation:

If one species is lost the entire ecosystem can stop working. ... If something happens in an ecosystem, it can shift from a state of balance to a state of imbalance. Ecological imbalance is when a natural or human-caused disturbance disrupts the natural balance of an ecosystem.

An mRNA strand is 108 nucleotides long. The maximum number
of amino acids that could form in the resultant polypeptide chain is

Answers

Answer:

36 amino acids

Explanation:

A messenger RNA (mRNA) is a type of RNA formed during transcription of DNA. mRNA contains nucleotide bases that are read in a group of three i.e. triplet called CODON. Each codon specifies a particular amino acid when translated.

Hence, in an mRNA strand that is 108 nucleotides long. This mRNA sequence will be read in three's with each three nucleotide corresponding to one amino acid. Hence, to get the maximum number of amino acids that could form in the resultant polypeptide chain, we divide as follows:

108 bases ÷ 3 bases (codon)

= 36 amino acids

Choose the answer that best describes the order of the life cycle of a large star.
•gas clouds, star ignites, hydrogen depleted, red supergiant, super nova, neutron star
•gas clouds, star ignites, neutron star, hydrogen depleted, red giant supernova
•gas clouds, nuclear reaction, hydrogen depleted, red giant white dwarf

Answers

It is three I think so

Answer:

I think its A gas clouds, star ignites, hydrogen depleted, red super giant, super nova, neutron star

Explanation:

Its Not gas clouds, nuclear reaction, hydrogen depleted, red giant white dwarf that is the wrong answer

This can be found in plant cells, but NOT in animal cells.
A: mitochondria
B: vacuole
C: cell wall

Answers

Answer:

C.cell wall

Explanation:

Animal cells don't have a cell wall

animals have cell membranes but no cell wall.

Date:
Page:
( write
down the differences between
Sandwich model ond Fluid
mosaic model
of
cell membrane​

Answers

Answer:

The key difference between fluid mosaic model and sandwich model is that fluid mosaic model states that cell membrane is a fluid phospholipid bilayer in which proteins are either partially or wholly embedded while sandwich model described the cell membrane structure as a lipid layer sandwiched between two protein ...

According to sandwiched model the lipid bilayer is like interior of sandwich and proteins act as breads i.e lipid bilayer is sandwiched between two protein layers
2•modern evidences does not support this model
3•the one who obsereved it was unable to see catbohydrates which are also present in cell membrane
While according to fluid mosaic model the proteins are not confined to surface of lipid bilayer but are imbedded betwaan them
It is well supported by evidences
It also tells us about carbohydrates present in cell membrane

the graph shows the relationship between the number of cigarettes smoked per day and the increased risk of lung cancer what name is given to this type of correlation

Answers

Answer:

Positive correlation

Explanation:

When one variable increases, the other increases as well. In this case, a higher number of cigarettes smoked per day will see an increased risk of lung cancer as well.

Where on Earth can you find subduction zones?

Answers

Answer:

Oceans, continents, etc.

Explanation:

A subduction zone is when one tectonic plate is pushed under another and then melted by Earth’s interior

Why is osmosis an example of facilitated diffusion? HELP ASAP!!

Answers

OSMOSIS IS AN EXAMPLE OF FACILITATED DIFFUSION. Osmosis involves the movement of solutes in a solution across the concentration gradient, from the region of lower concentration to the region of higher concentration. Facilitated diffusion does not need energy to occur while active transport requires energy to occur.

Suppose the great, green galoofus lizard has 28 chromosomes in the nucleus of its unfertilized eggs. Predict how many chromosomes will be in the skin cells of a great, green galoofus lizard?

Answers

Answer: 56

Explanation:

Because an unfertilized egg has half the chromosomes of a fertilized egg. The fertilized egg then splits, and continues splitting until the lizard is born. Always remember, whenever a question  talking about an unfertilized egg, it has half the chromosomes of a fertilized egg. One more side note, it doesn’t matter what body part you talk about. A skin cell will have the same number, and identical chromosomes compared to a heart cell. (So long as it’s the same organism, if it isn’t, but part of the same species, it will have the same number of chromosomes, but it may have a unique set of chromosomes). If you want me to go into detail, I can, just respond to this answer.

What term refers to cell division in eukaryotic cells?

Answers

Answer:

Mitosis

Explanation:

Mitosis is a process of nuclear division in eukaryotic cells that occurs when a parent cell divides to produce two identical daughter cells

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