What is the typical configuration of chromosomes in eukaryotic cells?​

Answers

Answer 1
Eukaryotes typically possess multiple pairs of linear chromosomes, all of which are contained in the cellular nucleus, and these chromosomes have characteristic and changeable forms. During cell division, for example, they become more tightly packed, and their condensed form can be visualized with a light microscope.

Related Questions

What organisms does lactic acid fermentation occur in.

Answers

Answer:

It occurs in Yogurt Bacteria

Where are you most likely to find ocean water with a high level of dissolved
gases?
A. Mid-latitudes in the Pacific Ocean
B. Near the equator in the Atlantic Ocean
C. Near the equator in the Pacific Ocean
D. Near the polar regions
HELP ITS DUE SOON

Answers

The answer is B, Near the equator in the Atlantic Ocean

Seawater has many different gases dissolved in it, specially nitrogen, carbon dioxide and oxygen. It exchanges these gases with the atmosphere to keep a balance between the ocean and the atmosphere.

What is atmosphere?

An atmosphere is defined as the layers of gases surrounding a planet or other celestial body. Earth's atmosphere is comprises of about 78% nitrogen, 21% oxygen, and 1% other gases.

Dissolved oxygen and carbon dioxide are important for marine life. Marine plants use dissolved carbon dioxide, sunlight and water to make carbohydrates through the process of photosynthesis.

Cold water holds more gas than warm water and seawater with low salinity holds more gas than high salinity water. Deep water, that has a high pressure, holds more gas than shallow water.

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saliva contains relatively few microbes compared to other body sites, because __________.

Answers

Saliva contains relatively few microbes compared to other body sites, because the concentration of antimicrobial enzymes limits their growth.

which division of the nervous system controls the radial muscles of the eye?

Answers

Answer:

sympathetic.

Explanation:

Dr. Martino's lab has been able to demonstrate that if they excessively stimulate a postsynaptic cell, it causes it to release a _____ transmitter that travels back to the presynaptic cell and modifies it.

Answers

Retrograde is the correct answer

What two types of organic molecules make up carbohydrates?

Answers

Answer:

carbon and hydrogen

Explanation:

Have a nice day

Identify the phases of mitosis during which sister chromatids are no longer attached by a centromere.(1 point)

prophase and telophase

anaphase and telophase

prophase and anaphase

metaphase and anaphase

Answers

Answer:

anaphase and telophase

Answer: Anaphase and telophase

Explanation:

The first two steps (prophase and metaphase) are the phases of detachment of the centromere.

Then the last 2 phases, are the ones with out the centromere.

!! Hope that helps !!

Identify the answer choice that correctly orders the types of cells from least to most differentiated.(1 point)

neuron → multipotent stem cells → pluripotent stem cells → totipotent stem cells

totipotent stem cells → multipotent stem cells → pluripotent stem cells → neuron

totipotent stem cells → pluripotent stem cells → multipotent stem cells → neuron

multipotent stem cells → totipotent stem cells → pluripotent stem cells → neuron

Answers

Answer:

totipotent stem cells → pluripotent stem cells → multipotent stem cells → neuron.

Answer:

Option 3.

totipotent stem cells → pluripotent stem cells → multipotent stem cells → neuron

Explanation:

The development of the various stages of stem cells in the embryonic stage is described here:Totipotent stem cells: Right after the mitosis of the zygote which results in the formation of two identical daughter cells, which are totipotent stem cells. Totipotent stem cells possess the ability to give rise to 220 different types of cells in the embryo including the placenta.Pluriopotent stem cells: These types of cells possess the ability to change into any type of cell in the body like blood, muscle, etc. It is formed at the embryonic stem cell stage.Multipotent stem cells: These stem cells have the ability to change into specialized cell such as forming different organs in the body. It occurs as the pluriopotent cell develops in the embryo.Neuron: As the multipotent cell has the ability to form a specialised cell it gives rise to the heart, lungs, liver, etc. including neurons.

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How to find number of alleles present in a population.

Answers

Answer:

Count how many times the allele appears.

Explanation:

Dividing also becomes part of it.

What are the parts of a leaf (plant cell) involved in photosynthesis?

Answers

Plastids
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What are biological associations

Answers

Answer:

In ecology, a biological interaction is the effect that a pair of organisms living together in a community have on each other. They can be either of the same species (intraspecific interactions), or of different species (interspecific interactions).

Explanation:

pa brainliest

I was going to write the exact same thing the person above me wrote.

What is meant by a biological system

Answers

Biological System - A biological system is a group of entities or organs that interact to complete a task. It's a biological unit that makes up a body or an organism.

Hope this helps!!

The diagram displays a box of normal DNA. The second box displays mutated DNA. Compare the mutated DNA with the normal DNA and identify the type of mutation that has occurred.

A) Substitution mutation.
B) Chromosomal mutation.
C) Deletion mutation
D) Frameshift mutation.

Answers

In my guess try A. hope I tried my best if I’m wrong I am sorry for answering not correctly
I think it’s the answer is A

Explain why there are substances on earth then are listed on the periodic table of elements

Answers

Answer:

Elements are pure substances with only one type of atom

Explanation:

Elements are pure substances with only one type of atom

Answer:

There are more substances on Earth than are listed on the periodic table of elements because substances are combinations of the elements. Elements are pure substances with only one type of atom. When two or more elements are combined, compounds are formed. This allows more substances to be created on Earth.

Explanation:

which process is response for gas exchange in the lungs

Answers

Answer:

Diffusion is the spontaneous movement of gases,Explanation:

Answer:

External respiration

Explanation:

What is a isotonic solution? How does it affect a red blood cell?
What is a hypertonic solution? How does it affect a red blood cell?
What is a hypotonic solution? How does it affect a red blood cell?
Answer plz!

Answers

Answer: If you place an animal or a plant cell in a hypertonic solution, the cell shrinks

Explanation: because it loses water ( water moves from a higher concentration inside the cell to a lower concentration outside ). ... A single animal cell ( like a red blood cell) placed in a hypotonic solution will fill up with water and then burst.


An isotonic solution is one wherein the solute concentration across the semipermeable membrane is the same resulting in an equilibrium state.

They do not shrink or swell in an isotonic saline solution, i.e., 0.9% w/v solution of sodium chloride

Hypertonic solution: A solution that contains more dissolved particles (such as salt and other electrolytes) than is found in normal cells and blood.

Now, let’s suppose RBCs are placed in a solution with a sodium chloride concentration of 2% w/v. The sodium chloride concentration of 2% w/v is greater than the RBC’s sodium content and hence the solution is hypertonic. This will result in shrinkage of the RBCs known as crenation

When a solution has a lower solute concentration than the solution present across the semipermeable membrane, it is known as a hypotonic solution. As a result, when a cell is placed in a hypotonic solution, an osmotic pressure gradient forces the solvent to move into the cell in order to attain equal solute

In another situation, let’s suppose RBCs are placed in a solution with a sodium chloride concentration of 0.1 % w/v. The sodium chloride concentration of 0.1% w/v is less than the RBC’s sodium content and hence hypotonic saline. This will result in swelling and eventually bursting of the RBCs which will result in the release of hemoglobin. This is known as hemolysis which is a very dangerous situation.

Colchicine is a toxin that binds to tubulin proteins and prevents microtubules from elongating. What effect might this have on dividing cells

Answers

The effect Colchicine might have on dividing cells is that the duplicated chromosomes might not be able to segregate into daughter nuclei.

Colchicine is an alkaloid that attaches to tubulin and prevents it from polymerization to microtubules. As we know that Microtubules are a component of the cytoskeleton of a cell that aids in molecular mobility inside the cell.

During cell division, chromatin condenses into chromosomes, which are then connected to microtubules. The chromosomes are separated into daughter cells by microtubules.

When these cells are treated with colchicine, tubulin polymerization to microtubules may not occur, and the chromosomes containing daughter nucleic might not be separated.

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Which of the following statements about weather patterns near mountain ranges is correct?
a. The leeward side of a mountain range tends to be wetter than the windward side.
b. The windward side of a mountain range tends to be wetter than the leeward side.
c. There is more cloud cover on the leeward side.
d. More vegetation grows on the leeward side than the windward side.

Answers

B.the windward side of a mountain range tends to to wetter than the forward side

Which types of species tend to dominate river ecosystems.

Answers

Answer:

fish species

Explanation:

damage to the sinoatrial node in humans would ________.

Answers

Answer:

have a decrease in blood pressure

Explanation:

hope it helped<3

mark brainlliest

Damage to the sinoatrial node in humans can result in irregular heartbeats, abnormal heart rhythms, decreased cardiac output, and an increased risk of sudden cardiac arrest. Prompt medical evaluation and appropriate treatment are crucial to manage these effects and maintain a healthy heart rhythm.

Damage to the sinoatrial (SA) node in humans would result in disruptions to the normal electrical conduction system of the heart. The SA node is often referred to as the "natural pacemaker" of the heart because it initiates the electrical impulses that regulate the heartbeat. Here's how damage to the SA node would affect the heart:

1. Irregular Heartbeat: The SA node is responsible for setting the pace of the heartbeat. If it is damaged, the heart may beat too fast, too slow, or irregularly. This can lead to symptoms like palpitations, dizziness, and shortness of breath.

2. Abnormal Heart Rhythms: Without the SA node functioning properly, other areas of the heart may take over the role of generating electrical impulses. However, these impulses may not be coordinated or synchronized, resulting in abnormal heart rhythms such as atrial fibrillation or heart block.

3. Decreased Cardiac Output: The SA node helps regulate the timing of the heart's contractions, ensuring efficient blood flow throughout the body. Damage to the SA node can disrupt this coordination, leading to decreased cardiac output. This means that the heart may not be able to pump enough blood to meet the body's needs, resulting in symptoms like fatigue and weakness.

4. Risk of Sudden Cardiac Arrest: In severe cases, damage to the SA node can increase the risk of sudden cardiac arrest. Without the SA node's ability to regulate the heartbeat, the heart may stop pumping blood effectively, leading to a life-threatening emergency.

5. Treatment Options: Treatment for damage to the SA node depends on the severity and symptoms. In some cases, medication or cardiac devices like pacemakers may be used to regulate the heart's rhythm and ensure proper electrical conduction.

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What controls basic functions such as breathing, heart rate, and pulse?


A.cell body

B.spinal cord

C.frontal lobe

D.brain stem

Answers

The brain stem sits beneath your cerebrum in front of your cerebellum. It connects the brain to the spinal cord and controls automatic functions such as breathing, digestion, heart rate and blood pressure.

Answer: brain stem

Istanding Laws, Theories, and Hypotheses
Question 5 of 10
What does it mean that evolution by natural selection is a theory?
A. Evolution by natural selection is an educated guess about how
organisms have changed over time.
B. The results of many different studies suggest natural selection as
a common explanation of how organisms have changed over time.
C. Darwin presented this new idea, which other scientists found
useful.
D. Evolution by natural selection explains how and why organisms
have changed over time.
SUBMIT

Answers

Answer:

c

Explanation:

Explanation:

In the theory of natural selection, organisms produce more offspring than are able to survive in their environment. ... This means that if an environment changes, the traits that enhance survival in that environment will also gradually change, or evolve

Which of the following statements is characteristic of proteins?

Answers

Answer:

c. Proteins are the building blocks of the body.

Explanation: is correct

C) proteins are the building blocks of the body

Based on figure 2-2, how many electrons does an atom of Aluminum contain? (assume all atoms are neutral)

Answers

Answer:

see exp.

Explanation:

Aluminum has 13 electrons in a neutral atom. The 1S2, 2S2 and 2P6 shells are full, and so is the 3S2. The 3P1 shell has one electron in it (in Al's neutral atom) and that gives aluminum one lone valence electron and two "semi-valence" electrons which can be loaned out. :D

pls join clan NaGa

Given the number of blood vessels in the retina, why do you suppose that you are not able to see them normally

Answers

Answer:

You can't see the blood vessels themselves because vision depends on a process that makes it impossible to see things that are stationary with respect to the retina. Light receptors in the retina respond only to changes in light reaching them, not to a steady image.

Have a great day! :D


1. How has the Exxon Valdez oil spill
impacted the environment?

Answers

Answer:

The oil killed and injured seabirds, sea otters, harbor seals, bald eagles, orcas and other wildlife. Eventually, oil from the spill affected more than 1,000 miles of Alaska's remote and rugged coastline.

Other Info That Might Help:

Image result for How has the Exxon Valdez oil spill impacted the environment? Environmental And Economic Impacts Prince William Sound had been a pristine wilderness before the spill. The Exxon Valdez disaster dramatically changed all of that, taking a major toll on wildlife. It killed an estimated 250,000 sea birds, 3,000 otters, 300 seals, 250 bald eagles and 22 killer whales.

Explanation:

I have answered This before and I got it right.

Hope this helps! :)

Why doesn't facilitated
diffusion require energy from
the cell?
A. The protein channels provide the
energy required.
B. Facilitated diffusion does require
energy
C. The movement is from a high
concentration to a lower concentration.
in
lightly

Answers

Answer: C

Explanation: This is right because the movement reciares a cell in order to move

Answer: it's C for sure!

Explanation:

please help asap asap asap

Answers

Answer:

true

Explanation:

because it's helps the sunlight

is these correct? ....​

Answers

Answer:

The first one is correct

Explanation:

What caused the formation of the moons layer

Answers

Answer:

when an object smashed into early Earth. .Explanation: no explanation just the answer

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