What are sister chromatids?
O the matched set of two chromosomes
O the protein structures moving the chromosomes
O the middle region of a replicated chromosome
O he two identical copies of one chromosome

Answers

Answer 1

Answer:

hi how are you doing today Jasmine


Related Questions

how would a large increase in the salinity of an estuary most likely affect the ecosystem of an estuary

Answers

Answer:

it would most likely kill a bunch of the animals and plants that live there

Explanation:

As a student how can you uphold the Sustainable Development Goals amidst the current environmental situation our country is facing?

Answers

Get Informed About the Global Goals. ...
Educate Your Friends, Colleagues, and Families on the Global Goals. ...
Explore The Realities of the Global Goals, and What They Mean for Your Community and Country. ...
Give Your Time and Skills.

Which of the following would make the best index fossil?
a. An insect that only existed in one small forest for abolit 100 million years
b. An aquatic animal that existed all over the world for about 15 million years
C. A single-celled organism that lived in a widespread region for about 25 million years
d. A plant species that lived in a specific geographic region for about 5 million years

Answers

Answer: I would go with B. Here’s why: An index fossil is usually easily recognizable, and underwent a wide geographic distribution. What leads me to believe B is the correct answer, is because it’s something that existed “ all over the world”.

What type of reaction does catalase facilitate- synthesis or decomposition? Why?

Answers

Catalase is a common enzyme found in nearly all living organisms exposed to oxygen (such as bacteria, plants, and animals) which catalyzes the decomposition of hydrogen peroxide to water and oxygen.

Catalase is a common enzyme found in nearly all living organisms exposed to oxygen (such as bacteria, plants, and animals) which catalyzes the decomposition of hydrogen peroxide to water and oxygen.

What is catalase?

An enzyme called catalase causes (catalyzes) the process by which hydrogen peroxide is broken down into water and oxygen.

Catalase, which is widely distributed in organisms that live in the presence of oxygen, inhibits the buildup of peroxide, which is continuously created by multiple metabolic reactions, and shields cellular organelles and tissues from harm. Catalase is primarily found in the liver of mammals.

Numerous industrial uses exist for catalase. It is used with other enzymes in the food industry to preserve foods, make particular dishes and beverages, and preserve foodstuffs.

Therefore, Catalase is a common enzyme found in nearly all living organisms exposed to oxygen (such as bacteria, plants, and animals) which catalyzes the decomposition of hydrogen peroxide to water and oxygen.

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Which of the following is true of pseudoscience and science?

A) Pseudoscience is testable and science is not testable
B) Pseudoscience cannot be tested and science is testable
C) Pseudoscience and science both use a lot of empirical evidence
D) Pseudoscience is based on facts and science is just opinion

Answers

Answer:

B

Explanation:

Pseudoscience is just based off of what people think happens

Answer:

C: Pseudoscience and science both use a lot of empirical evidence

Explanation:

What Kind of Mutation is demonstrated?

Answers

the answer is Translocation

Which of the following would be the optimal time for a grower to plan passive freeze protection for an orchard?
A) at planting time
B) prior to a cold snap
C) prior to planting
D) at grafting time

Answers

Answer♥♥

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A) at planting time

[tex] \sf \: a) \: \boxed{ \underline{\bf \: \: at \: planting \: time}} \: \sf is \: the \: answer.[/tex]

Please answer!! I will give you brainliest!!!!!!

Answers

warm front

// answer was short so added this text //

Answer:

choice: D (Warm font)

Explanation:


Cerebellum is a region of a brain that controls the body temperature


True or false

Answers

False, it is the hypothalamus

How does pre existing genetic factors and environmental factors both affect your chances to get cancer

Answers

Pre existing genetic factors means that if there is a history of getting cancer their is a higher chance future generations will have it

Environmental factors like radiation

Why do you think some organisms have only one cell, but humans have about 100 trillion?

!PLEASE HELP!

Answers

Humans have loads of cells so they can reproduce so it doesn’t matter if a cell dies e.g. when you cut your skin it fixes itself. Organisms with 1 cell will easily die and probably not live very long unless they can breed.

Please select the word from the list that best fits the definition

The movement of a substance through the cell membrane that requires energy.

Answers

Answer:

The correct answer is - active transport.

Explanation:

Active transport is the movement of a substance that crosses the cell membrane against the concentration gradient and therefore requires energy in the form of ATP. In contrast, passive transport does not require energy for the movement of a substance through the cell membrane as it moves to the concentration gradient.

This movement of molecules is towards the region of high concentration from the region of lower concentration through the cell membrane by elcectrochemical gradient or ATP.

define and describe the Human Trafficking ​

Answers

Explanation:

hope it helps you, have a good day.please mark me as brain list, sorry it is of Nepal but you can put your country name instead of Nepal

In the carbon cycle, carbon from the nonliving environment becomes a
part of living organisms through

A. photosynthesis.

B. cellular respiration.

C. transpiration

D. absorption

Answers

[tex]\huge{\textbf{\textsf{{\color{pink}{An}}{\red{sw}}{\orange{er}} {\color{yellow}{:}}}}}[/tex]

A. Photosynthesis

thankshope it helps

which is more common grass or humans?

Answers

Answer:

Grass

Explanation:

Cause most human food comes from grasses, directly as grain or indirectly as feed for meat and dairy producing animals.

people- estimate that humans have modified >50% of Earth's land surface.

The grass family, Poaceae, is one of the largest plant families, and, to humans, perhaps the most important, as it includes agricultural grains such as wheat, rice, maize (corn), and sugar cane. The Poaceae comprise about 600 genera and perhaps ten thousand species. It is estimated that grasslands cover about 20 percent of the earth's land area.

so the answer is humans

Please help i am giving brainliest

The nervous and endocrine systems both use a form of communication; the nervous system sends electrical messages and the endocrine system sends chemicals known as __________.

a. antibodies

B. hormones

C. enzymes

No dam links
.

Answers

Answer:

The answer is B.Hormones

The glands that make up the endocrine system produce chemical messengers called hormones that travel through the blood to other parts of the body.

please help i am giving brainliest

The endocrine system is linked to the nervous system because many of the chemicals are produced or regulated by the __________.

a. brain

B. tongue

c. nose

No dam links

Answers

Answer:

a.Brain

Explanation:

Hypothalamus: The hypothalamus  is in the lower central part of the brain. It links the endocrine system and nervous system. Nerve cells in the hypothalamus make chemicals that control the release of hormones secreted from the pituitary gland.

I’m guessing a.brain

1)What is the importance of conjugation?
2)How do fungi obtain nutrients?
3)Which one is not a charactersitic of all animals?

Answers

Answer:

evolution of bacterial genomes.

Explanation:

Conjugation plays an important role in evolution of evolution of bacterial genomes.Human pathogenic bacteria may have acquired many of the virulent traits, as well as antibiotic resistance by conjugation.

1
1. The products in the chemical equation of photosynthesis is glucose and oxygen.
1
True
O False

Answers

answer

False

Explanation

The reactant for photosynthesis are light energy ,water , carbon dioxide and chlorophyll and the products are glucose,oxygen and water

Geothermal electricity-generating plants produce
Your answer:
ash.
methane.
O carbon dioxide.
no excess heat.
no greenhouse gases.

Answers

Answer:

3/C. carbon dioxide

Explanation:

GIVING BRAINLIEST
How does a large mass star undergo a supernova?

Answers

Having too much matter causes the star to explode, resulting in a supernova. As the star runs out of nuclear fuel, some of its mass flows into its core. Eventually, the core is so heavy that it cannot withstand its own gravitational force. The core collapses, which results in the giant explosion of a supernova

What are some featured species in the deep sea?

Answers

What is so fascinating about our deep blue sea is the fact that there could be so many more species than the ones we know about. Our oceans are so vast and deep anything could really be down there. I don't exactly know what you mean by this question but I can give you some deep-sea creatures that have been discovered, although some sound equivalent to science fiction, they are in fact real.

- Giant Isopod: they are a species of aquatic crustacean. Their appearance is that of a much larger bug, similar to those "rolly polly" bugs. They reside in the deep sea scuttling along the seabed and ultimately harmless to humans.

- Vampire Squid: This creature looks similar to many other squids such as their squid-like bodies and tentacles, however, what makes this squid unique is its black webbed skin (resembling a vampire cape) and its red eyes. The vampire squid's body is covered in photophores that produce light to attract prey.

- Frilled Shark: This is an odd-looking shark that lurks in the deep sea. It looks almost pre-historic and can grow up to a length of 7ft with a typical shark fin further down its back as well as the well-known rows of sharp teeth. Its gills appear to be frilled hence its name.

- Anglerfish: These deep-sea creatures are pretty commonly known. They are frightening-looking fish with long thin teeth lining their mouth and the notable luminescent fin ray that it uses to lure other fish to eat.

So these were just some notable deep-sea creatures that I have heard of and I wrote some information about them. Hope this helped :)

Describe what happened to the colored water and the pieces of paper after the holes were punched in the material covering the beaker

Answers

Answer:

The paper spreads over the surface of water and the colored water sunk to the bottom.

Explanation:

The paper hole punches were spread over the surface of the water in the large beaker due to lower density of paper as compared to water whereas the colored water had sunk to the bottom. Convection currents is the driving force that caused the pieces of paper to move over the water's surface. At the surface, the water cools and becomes more denser so the coloring sank toward the bottom of the beaker creating convection currents that will leads to the presence of paper on the surface of water.

The overall efficiency of oxidative phosphorylation, assuming standard conditions, can be calculated by comparing the free energy potentially available from the oxidation of NADH by O2 to the free energy required to synthesize 2.5 ATP from 2.5 ADP. This comparison reveals an efficiency of 35%, which is based on the experimental measurement of 2.5 ATP for every NADH oxidized during oxidative phosphorylation. Using this efficiency, calculate the number of ATP generated by each of the following Complexes:

Answers

Answer:

The number of ATPs produced wheh efficiency is 100% is 71.42 ATP.

Explanation:

It is known that at the end of Kreb's cycle 10 NADH are produced

Now by using the unitary method

1 NADH produces=2.5 ATP

10 NADH produces=2.5 ATP x 10

10 NADH produces=25 ATP

This is for the efficiency of 35%.

35% efficiency produces ATPS=25

1% efficiency produced ATP=[tex]\dfrac{25}{35}[/tex]

100% efficiency produced ATP=[tex]\dfrac{25}{35}\times 100[/tex]

100% efficiency produced ATP=71.42 ATP

The number of ATPs produced wheh efficiency is 100% is 71.42 ATP.

which of the following best describes how the Sun creates wind on Earth​

Answers

The energy of the sun heats the land unevenly, creating wind.

The energy of the sun heats the land unevenly, creating wind.

What is Earth?

Earth, the third planet from the Sun, is the planet where all known life is found. Although the Solar System contains enormous amounts of water, only Earth is home to liquid surface water.

The ocean covers roughly 70.8% of Earth's surface, dwarfing the polar ice, lakes, and rivers. Earth's surface is made up of continents and islands for the remaining 29.2% of its total area.

Several slowly moving tectonic plates that make up the Earth's surface combine to create mountain ranges, volcanoes, and earthquakes. The magnetic field that forms the Earth's magnetosphere and diverts harmful solar winds is produced by the liquid outer core of the planet.

Therefore, The energy of the sun heats the land unevenly, creating wind.

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What sensory organs are used to maintain equilibrium when the eyes are closed

Answers

Answer:

inner ears & proprioceptors

Explain why all types of evidence can be useful in court.

Answers

Answer:

Well

Explanation:

Because, it'll bring them closer into solving the case.

HELP!!! Im doing an honors assignment for science class on space weather! I dont need you to do it I just need someone to help me understand it!

here are the instructions:

Advanced Space Weather Activity
This lesson highlighted different types of space weather. If you were responsible for reporting space weather like Earth's weather is reported, how would you do it? What would you include?

Create any type of weather report to warn people about space weather activity. You can present it like a weather app, radio announcement, television news report, or newspaper weather section. You only need to pick one type of report to submit to your instructor.

They gave an example below however im confused if I should copy it and put my own words or if I should just make like a video or something!

please help me :(

Answers

Answer:

If I was responsible for earth weather, I would do this:

People watch TV every day. No? Well. some do! I would create something better than amber alerts, something better than the news on TV. I would put earth's loudest megaphones in every single state. One in every city. About 670,000,000,000 in total! It would tell people all around the world what the news up in space is ! For backup, I would also use a weather app but for space. People are on their phones everyday. Lets make it useful! The space weather app would tell people everyday what the weather is up in space, making them interested in space weather! For instance, Over at Mars, its currently 35° degrees! Many people are interested in space, let them know the weather of their favorite planets ! Make a channel on TV ! Hope this helps <3

A transcriptional repressor that controls the transcription of gene A is not normally active unless bound by an effector molecule X. In a certain cell, the domain of the repressor that binds to the silencer of gene A is mutated so that the repressor-X complex can no longer bind to its recognition site. With all other factors being the same, what effect do you predict on the transcription of gene A if X is increased in the cell and the cell is already expressing gene A

Answers

Answer:

Transcription of gene A is not affected

Explanation:

A transcriptional repressor is a DNA/RNA-binding protein that acts to suppress gene expression and/or protein synthesis by binding to target sequences. Moreover, a silencer is a DNA region that binds to particular transcriptional repressors in order to suppress gene expression. In this case, the transcriptional repressor is activated by binding to an effector molecule X (e.g., another protein). In consequence, and since the activated repressor-X complex is not more able to bind the silencer of gene A, it is expected that such complex will not be able to affect transcription of the target gene.

Human activities have resulted in changes to the atmosphere. true or false

Answers

True aka pollution from machines smoke carbon emissions etc
That had to be True... Because Human activities contribute to climate change by causing changes in Earth's atmosphere in the amounts of greenhouse gases, aerosols small particles, and cloudiness.
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