Although scientists do not know the exact origin of eukaryotic cells, the ______ theory does explain the origin of the mitochondria and chloroplasts.

Answers

Answer 1
Answer: The Endosymbiotic theory

Explanation:

The Endosymbiotic Theory states that the mitochondria and chloroplast in eukaryotic cells were once aerobic bacteria (prokaryote) that were ingested by a large anaerobic bacteria (prokaryote). This theory explains the origin of eukaryotic cells.


Related Questions

When you sit in a chair, it exerts_____

against you.

Answers

Answer:

When you sit in your chair, your body exerts a downward force on the chair and the chair exerts an upward force on your body. There are two forces resulting from this interaction - a force on the chair and a force on your body.

Explanation:

1. Describe the flow of energy from the sun to a producer, like grass, and then to a consumer, like a rabbit. 100 points!!! Not a scam!

Answers

Answer: The sun produces energy to the solar panel the sollaer panel produces energy to my house

Explanation:

The Sun then provides energy to the grass via the photosynthesis process. The rabbit consumes the grass and absorbs its energy.

What is flow of energy?

The flow of energy through living things within an ecosystem is referred to as energy flow.

All living organisms can be classified as producers and consumers, and those producers and consumers can be classified further as a food chain. Each level of the food chain is referred to as a trophic level.

The Sun then provides energy to the grass through photosynthesis. The rabbit consumes and absorbs the grass's energy.

Finally, the snake consumes the rabbit and absorbs its energy. Energy travels from the Sun and is consumed by each consumer along the chain.

Thus, this way, energy flows in an ecosystem.

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Which characteristics would be present in an air mass that develops over the Canadian Plains near the Arctic Circle?

Answers

la verdad no se la repuesta si me la hubiera sabido si te la hubiera dicho

Explain the correlation between solar radiation and kelp biomass .

Answers

Answer:

icicles icicles icon DM irks an ignitor

Ovulation occurs in response to the release of an anterior pituitary hormone known as ________ hormone.

Answers

Answer:

Lutenizing hormone aids in the maturation and release of eggs from the ovary

Match each part of the lymph node with the correct label.

Answers

Answer:

Your numbers are

1 Afferent Lymphatic Vessels

2 Lymphatic Nodule

3 Germinal Center

4 Efferent Lymphatic Vessels

Explanation: are correct

1 Afferent Lymphatic Vessels, 2 Lymphatic Nodules, 3 Germinal Centers, 4 Efferent Lymphatic Vessels.

What is a lymph node?

No lymph nodes exist in the central nervous system. The lymph nodes are more likely to gather in three locations on each side of the body.

The inguinal nodes in the groin, axillary nodes in the armpit, and cervical nodes in the neck are where these sites are found.

The typical lymph node is enclosed by a connective tissue capsule, which divides it into lymph nodules. The lymph nodules, which are dense aggregations of lymphocytes and macrophages, are divided by lymph sinuses.

Therefore, there are several locations throughout the node's perimeter where afferent lymphatics, which carry lymph there from the periphery and enter the node on its convex side, may be found.

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Normally dividing cells:
replace damaged or lost cells.
heal wounds.
help tissue and organs grow.
help keep a person in shape.

Answers

Most likely A because cells constantly need to be replaced
Replace damaged and/or lost cells

What are the front 4 teeth in your mouth called

Answers

Answer:

Incisors

Explanation:

The front 4 teeth in your mouth called 'Incisors'. The incisors are the eight teeth that are most visible in the front of the mouth.

Hoped this helped.

Inertia keeps the ball moving horizontally. The force of gravity acts on the object, causing

Answers

Friction because it is the answer that I know because I am smart

For each of the following statements, determine if it is true or false and describe how you know.

A. All living organisms share the same sequence of nitrogen bases.

B. All living organisms share common organelles.

C. All living organisms share the process for reproducing.

D. All living organisms share a universal genetic code.

Answers

I thinck Letter C

Explanation:

Noo need explanation.

What types of cells perform photosynthesis?

a
All prokaryotic
b
All animals
c
All eukaryotic
d
All plants

Answers

Answer:

All plants

Explanation:

This is due to the presence of chorophlly . the green colouring pigment in plants

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At the end of metaphase where is the dna located in the cell:

Answers

Answer: At the end of interphase comes the mitotic phase, which is made up of mitosis and cytokinesis and leads to the formation of two daughter cells.

Explanation:

This is when the cell grows and copies its DNA before moving into mitosis. During mitosis, chromosomes will align, separate, and move into new daughter cells. ... At the end of interphase comes the mitotic phase, which is made up of mitosis and cytokinesis and leads to the formation of two daughter cells.

i need help pls anyone know this ive been stuck for 10 mins so pls

Answers

Answer:

glucose and oxygen is the answer

_______________________ are the components of most non-clastic rocks.

Dissolved minerals

Sediment and small rocks

Seashells

Limestone and fossils

Clay and pebbles

Angled rocks and clay

Answers

Answer:

Limestone, dolomite and chert.

AKA Limestone and fossils.

Chert is of biological origin and limestone is composed of tiny fossils. Dolomite is a form of limestone. Non-clastic sedimentary rocks are formed organically.

HURRY PLEASE
Which timeline best shows the history of the development of cell theory?

Answers

Answer:

Line 3, I think

Answer:

the fourth one

Explanation:

1. What is hemoglobin?

Answers

Answer: "Hemoglobin is a protein in your red blood cells that carries oxygen to your body's organs and tissues and transports carbon dioxide from your organs and tissues back to your lungs."

Answer:

Hemoglobin is the protein in your red blood cells that carries oxygen to your body's organs and tissues and transport carbon dioxide from your organs and tissues back to your lungs. This small little protein in your blood does such a big task.

hope this helps :0

In a controlled environment,

can be used to slow the decay process in foods.


A. gamma rays

B. infrared radiation

C. microwaves

D. x-rays

Answers

Given what we know, we can confirm that both gamma rays and x-rays can be used to slow the decay process in foods.

What are gamma rays and x-rays?Both of these are forms of ionizing radiation. Applying these to food is known as food irradiation. What this accomplishes, is that the food that is irradiated will have its chemical bonds altered, slowing the decay process.

Therefore, since both gamma rays and x-rays offer ionizing radiation to the food, which affects the chemical bonds and allows the food to have a longer shelf life, we can confirm that they can be used to slow the decay process in foods.

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name at least four process that
are common to most living things

Answers

organization, metabolism, responsiveness, movements, and reproduction.

The most common elements for
life are CHONP.
The letter N symbolizes the
element...
A. nether.
B. nitrogen.
C. non-biotic.

Answers

The letter N in the most common elements for life CHONP indicates (B) Nitrogen.

Elements are the smallest unit that cannot be broken down further. Each element comprises of specific protons, neutrons and electrons. These elements are essential for living organisms as well. The most common elements inside living body are: CHONP, i.e., Carbon, Hydrogen, Oxygen, Nitrogen and Phosphorus.

Nitrogen is the element in the periodic table with an atomic number 7. It is a very essential element in living organisms because it acts as an important constituent of compounds like nucleic acids, amino acids, proteins, etc. In plants it is a part of chlorophyll.

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can someone help me with this question plss

Answers

Answer:

unkown

Explanation:

what type of graph is a and b please help me​

Answers

you could chose to describe the first graph as any of the following phrases:

‘curved graph’

‘intercept on y-axis’

‘as x increases, y increases’,

‘y increases slowly at first, then more rapidly, then slows down again’ and ‘reaches a maximum level’.

you can chose to describe the second graph as any of the following phrases:

'gradually increases, then rapidly increases in a short period of time"

Using the explicit formula, calculate how far the students will be swimming on week 10 using Ernest's schedule.

Answers

Ernest would be swimming at 3.25 units on week 10

The explicit formula is given as:

[tex]a_n = a_1 + (n - 1) \times d[/tex]

Also, we have the following parameters

[tex]a_1 =1.0[/tex] -- the initial distance

[tex]d =0.25[/tex] --- the difference between concurrent distances

In week 10, the value of n is 10.

Next, substitute 10 for n in the explicit formula [tex]a_n = a_1 + (n - 1) \times d[/tex]

So, we have:

[tex]a_{10} = 1.0 + (10 - 1) \times 0.25[/tex]

Subtract 1 from 10

[tex]a_{10} = 1.0 + 9 \times 0.25[/tex]

Multiply 9 by 0.25

[tex]a_{10} = 1.0 + 2.25[/tex]

Add 1.0 and 2.25

[tex]a_{10} = 3.25[/tex]

Hence, Ernest would be swimming at 3.25 units on week 10

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Which of these is FALSE?

a
Cells use ATP for cell work
b
Breaking down glucose gives off energy
c
Breaking down ATP gives off energy
d
1 ATP has more energy than 1 glucose

Answers

D is false glucose does have more energy

Answer:

D is false

Explanation:

D is false because after breaking down 1 glucose, around 36-38 ATP will be produced from ADP

A is true because cells use ATP for work

B is true, as breaking glucose makes ATP, which is just stored energy

C is true too, since ATP is an ADP connected to a phosphate. This bond contains energy and detaching the phosphate will power parts of the cell, for instance active transport systems.

A typical leaf is composed of multiple layers of specialized cells. What is the correct order of layers starting on the upper surface of the leaf and progressing to the lower surface?

Answers

Answer: cuticle - epidermis - palisade mesophyll - spongy mesophyll- epidermis - cuticle

Explanation:

Which is mixed with proteins to break them into amino acids?

Answers

Answer:

enzymes can breakdown proteins into amino acids

Answer: hydrochloric acid and enzymes called proteases break it down into smaller chains of amino acids

Explanation:

the genetic code is read in groups of three nucleotide bases known as

Answers

Codons. They are on the mRNA.

Genetic codes are sets of three nucleotides that specify an amino acid. The three-nucleotide base read in the group is known as a codon.

What is a codon?

A codon is a set of three nucleotides that codes for the genetic code of the deoxyribonucleic or the ribonucleic acid. The information in it is translated into proteins.

A codon also codes for the stop and start signal of the translation sequence. Each codon codes for particular amino acids and results in the formation of the proteins for cellular function and activity.

Therefore, the genetic code in a set of three is called a codon.

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if one cell undergoes mitotic division every 3 minutes and 18 minutes pass, how many cells will have been created?

Answers

Answer:

6

Explanation:

if there is one cell that is being created every 3 mins, then you would divide 18 by 3 and get 6.

Answer:

here look at this it might help you

Explanation:

make list of the types of calls or tissues you would expect to find in a vascular bundle

Answers

Answer:

Hello that's the answer and thank you

Explanation:

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Xylem and phloem are the types of tissues found in the vascular bundle of plants.

What is the vascular bundle of plants?

In animals, the bloodstream is used to transport nutrients throughout the body. This function is carried delivered via the vascular system, a network of tissues and fibers in plants.

The xylem and the phloem are the two primary tissue types that make up the vascular system. Water and dissolved minerals are distributed upward through the plant through the xylem, first from roots to the leaves. Food is transported from the leaves to the roots through the phloem.

A mature woody stem or root's principal component is made up of xylem cells. They are arranged vertically in the heart of the plant, creating a column that transports water and minerals taken up by the roots up the stem and onto the leaves.

Transporting the food that the leaves have produced downward via the stem is a similar network of phloem cells that line the outside of the xylem.

Therefore, the xylem and phloem are present in the vascular system of plants.

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chromosomes form during what part of the cell cycle?

Answers

Answer:

Prophase

Explanation:

During the prophase, chromatin condense to form chromosomes that are visible.

Which of the following describes the cause of Addison's disease?

Answers

Answer:

b. Low levels of secretions of the hormones produces by the adrenal cortex

Explanation: is correct

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We lived on a combination of irregular paychecks, hope, fear and government surplus food.My father, who is one of the few Indians who went to Catholic school on purpose, was an avid reader of westerns, spy thrillers, murder mysteries, gangster epics, basketball player biographies and anything else he could find. He bought his books by the pound at Dutch's Pawn Shop, Goodwill, Salvation Army and Value Village. When he had extra money, he bought new novels at supermarkets, convenience stores and hospital gift shops. Our house was filled with books. They were stacked in crazy piles in the bathroom, bedrooms and living room. In a fit of unemployment-inspired creative energy, my father built a set of bookshelves and soon filled them with a random assortment of books about the Kennedy assassination, Watergate, the Vietnam War and the entire 23-book series of the Apache westerns. My father loved books, and since I loved my father with an aching devotion, I decided to love books as well.I can remember picking up my father's books before I could read. The words themselves were mostly foreign, but I still remember the exact moment when I first understood, with a sudden clarity, the purpose of a paragraph. I didn't have the vocabulary to say "paragraph," but I realized that a paragraph was a fence that held words. The words inside a paragraph worked together for a common purpose. They had some specific reason for being inside the same fence. This knowledge delighted me. I began to think of everything in terms of paragraphs. Our reservation was a small paragraph within the United States. My family's house was a paragraph, distinct from the other paragraphs of the LeBrets to the north, the Fords to our south and the Tribal School to the west. 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