Which of the following best describes a eukaryotic cell?
O A. A cell that is not surrounded by a cell membrane
OB. A cell that does not contain any membrane-bound organelles
O C. A cell that contains a membrane-bound nucleus
O D. A cell that is surrounded by a rigid cell wall

Answer:

d

can i have brainliest i need 1 more

Explanation:

Answer:

Evaporation : Liquid --- Gas (Vapor) ; Condensation : Gas (Vapor) --- Liquid

Explanation:

Evaporation is the change of a liquid into gas or vapor, usually by increase in temperature. Eg : Water evaporation into vapors during water cycle, due to sun heat.

Condensation is the change of gas or vapor into liquid, usually by decrease in temperature. Eg : Vapors condensation into water droplets during water cycle, due to lower atmospheric temperature at higher height.

Answer:

Hi,

Red blood cells free in blood / not supported by other cells so cholesterol helps to maintain shape.

Hope this helps

Answer:

1.it will run only at that particular local place.

2.the people of other places would not be able to understand those units system

Answer:

the chromosomes reach opposite poles, cytokinesis occurs, the two cells produced by meiosis I divide to form four haploid daughter cells, and nuclear envelopes form.

-Micoevolution.net

Explanation:

Finally, during telophase II, the chromosomes are enclosed in nuclear membranes. Cytokinesis follows, dividing the cytoplasm of the two cells. At the conclusion of meiosis, there are four haploid daughter cells that go on to develop into either sperm or egg cells.

Answer: I'm willing to help but, I can't see the screenshot

Answer:

The top left box is NUCLEUS.

The second box (from left to right) is CHROMOSOME.

Regarding the 2 boxes left:

Top one is GENE.

The one below is DNA.

Answer:

B she tells "you that it hurts"

Explanation:

Answer:

i did this one already that her heart rate is fast

Explanation

Answer:

osmosis

Explanation:

The process that occurs when a solution meets a permeable membrane.

Answer:

Cystic fibrosis (CF) is more common in Caucasian individuals and is inherited with an autosomal recessive inheritance pattern.

Explanation:

Cystic fibrosis (CF) is a condition of genetic origin, which affects organs such as the lungs, pancreas, intestine and liver. CF is characterized by the production of very thick and viscous mucus, and promotes the formation of cysts and fibrosis of the affected organs.

CF is an inherited disease that is transmitted in an autosomal recessive pattern, that is, the altered gene is required to be on both chromosomes of the allelic pair, in order to be expressed.

It is a very common disease in Caucasian individuals, especially those of European descent.

Answer:

dark hair

Explanation:

Histones copy the DNA before division begins is the correct role of histones.

A chromosome's structural support is provided by a protein called a histone. Long DNA molecules found on each chromosome must fit into the cell nucleus.

To do it, the DNA wraps around complexes of histone proteins, giving the chromosome a more compact form. Additionally, histones are involved in the control of gene expression.

A nucleosome, which is made up of eight histone proteins, can exist. DNA can loop around a nucleosome much like a small spool. Thus, histones are crucial in maintaining the genome's order and neat wrapping inside a cell.

Therefore, Histones copy the DNA before division begins is the correct role of histones.

To learn more about histones, refer to the link:

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Answer:

data

Explanation:

All the facts and observations gathered in an experiment are called data. Therefore, option B is correct.

An experiment is a technique used to confirm or deny a hypothesis, as well as assess the likelihood or effectiveness of something that has never been tried before. Experiments show what happens when a specific factor is modified, which sheds light on cause-and-effect relationships.

The three primary categories of scientific experiments are quasi-experimental, observational, and experimental (non-experimental). The most rigorous type of scientific investigation is experimental, often known as randomized control. The most control is present, as the name would imply.

Data are the facts and the observations gathered in an experiment.  Therefore, option B is correct.

Learn more about an experiment, here:

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Answer:

True

Explanation:

Answer:

False, but be sure you read what follows.

Explanation:

False: Heart disease and Most Cancers are not viruses. Or at least as far as I know. However complicating the issue is the fact that after a viral infection, heart disease can develop.

Cancer is another example, and the answer again is not black and white. 16% of all cancers can trace their beginnings to a bacteria or virus. That leaves 84% whose beginnings are not that clear.

The question is not black and white. I'd be careful how you think of it. If something is a complication, is that a direct cause? I still think the answer is false,  but don't be surprised if your instructor disagrees. Move on to something a little less black and white.

Answer:

it will lead to extinction of wildlife and also leads to erosion

Explanation:

Answer:

The cell membrane is the outer layer of the cell. The primary function of the cell membrane is to regulate what substances enter and leave the cell. The cell membrane is selectively permeable, or "semi-permeable", meaning that the membrane only allows certain substances to enter or leave the cel

Answer:

b

Explanation:

because the membrane of a cell is responsible for what enters n leave the cells.

it can't be "D" because osmosis is the process by which water molecules enter a permiable or semi permiable membrane of an object from an area of high concentration to an area of low concentration.

fermentation is the process by which chemical changes occur in an organic matter do the answer is definitely not A

metabolism is the chemical processes that occur in an organism to maintain its life so the answer is not c

Answer:

*magnetic reversal

*magnetic minerals

*fossils

*sea-floor spreading

Explanation:

so all are right EXCEPT    *continental drift

Answer:

Sea Floor Spreading

Explanation:

i took the quiz on edge

Prokaryotic cells have the following features: The genetic material (DNA) is localized to a region called the nucleoid which has no surrounding membrane. The cell contains large numbers of ribosomes that are used for protein synthesis. At the periphery of the cell is the plasma membrane.

Answer: 1.Prokaryotes lack an organized nucleus and other membrane-bound organelles. Prokaryotic DNA is found in a central part of the cell called the nucleoid. The cell wall of a prokaryote acts as an extra layer of protection, helps maintain cell shape, and prevents dehydration.

2.Prokaryotic cells are surrounded by a plasma membrane and have DNA, cytoplasm, and ribosomes, like eukaryotic cells. They also have cell walls and may have a cell capsule. Prokaryotes have a single large chromosome that is not surrounded by a nuclear membrane.

3.Eukaryotic cells are larger than prokaryotic cells and have a “true” nucleus, membrane-bound organelles, and rod-shaped chromosomes. The nucleus houses the cell's DNA and directs the synthesis of proteins and ribosomes.

Explanation:

Answer:

b. magnetic minerals

on the

ocean floor.

Explanation:

Trust me i'm smert.

Answer:

In sunlight the concentration of water and oxygen molecules just inside the stomata is higher than the concentration of the air around the leaves so water vapor and oxygen diffuse, or move out, from the leaves through the stomata. Diffusion, then, is a physical driver of transpiration. Hope this helps!

Explanation:

Brainliest?

Answer: Uh okay then

Explanation:

Answer:

tacgagcatgcatgca

tgca gcta tagac tacg

Answer:

Nondisjunction causes it

......

Answer:

I believe you are supposed to be asking questions for this question

Explanation:

How do genes affect the live of the offspring?

How do the offspring inherit advantages?

Advantageous traits and genes?

Answer:

its color, its skin pattern so 2 speak

Explanation:

In the kelp forest ecosystem, The type of consumer is the sea urchin is a herbivore, as it is a primary consumer. The correct option is C.

Sea urchins are echinoderms. They are present under the sea. They are round or of different shapes, and they contain long spines on their body, these spines are poisonous.

Furthermore, they are carnivore animals, they eat anything that goes through them. They eat plankton small algae plants helps etc. Herbivores are those animals that eat plants only. In a kelp forest, sea urchins will be herbivores, otherwise, they are carnivore animals.

In a Kelp forest ecosystem, sea urchins are primary consumers, and they are herbivores, they eat lots of kelp in a day.

Thus, the correct option is C. herbivore.

To learn more about sea urchins, refer to the below link:

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Answer:

Probably because of the humans thoughts and character since they are all one of a kind.

Explanation:

Answer:

Every individual is different so thats my best guess.

Answer:

Tissue

Explanation:

A group of cells that work together to perform a common function is called a tissue.

Hope this helps.

The correct answer is Tissue. :)

Answer:

Although the best-known cause of a mass extinction is the asteroid impact that killed off the non-avian dinosaurs, in fact, volcanic activity seems to have wreaked much more havoc on Earth's biota. Volcanic activity is implicated in at least four mass extinctions, while an asteroid is a suspect in just one.

Explanation:

Answer:

The most likely cause of the Cretaceous mass extinction was an extraterrestrial impact in the Yucatán of modern-day Mexico, a massive volcanic eruption in the Deccan Province of modern-day west-central India, or both in combination.

Explanation:

Hope this helped

Answer:

I may not be right but i believe the answer is c

Explanation: