Biology High School

Can someone plz help me?

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Answer 1

Answer:

Mitochondria

Explanation:

hope it helps

Related Questions

question is in picture

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Answer:

it can show a population pyramid They also show the number of dependents (children and, sometimes, elderly people) and general structure of the population at any given moment. it compares and contrast the age of th female and male where it typically forms the shape of a pyramid when the population is growing which can give you a general idea on both genders it can help see who (female or male) are the most type in that area

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what is the difference in solubility of triglyceride and the products of their hydrolysis

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Answer: Triacylglycerols are the major constituents of oils and fats of both plant and animal origin.

Explanation:

Hope this helps.

The products of hydrolysis of triglycerides are fatty acids and glycerol. While fatty acids, like triglycerides, are insoluble in water, glycerol is soluble in water.

Why are triglycerides insoluble?

Triglycerides are esters of fatty acids and alcohol, mostly glycerol. The fatty acid chains are inked to the glycerol molecules with the help of covalent bonds.

This means that the triglyceride molecule is uncharged and will therefore remain insoluble in water but soluble in organic solvents.

Also, products of hydrolysis of triglycerides are fatter acids and glycerol. While fatty acids will remain insoluble in water, glycerol is soluble in water.

Glycerol is alcohol with 3 hydroxyl groups, this is why it is also called a polyol. They are able to hydrogen bonds with the nearby water molecules.

Therefore, triglycerides and fatty acids are insoluble and glycerol is soluble in water.

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Explanation:

Why anti-poaching?

Rhinos have inhabited the African continent for over a million years and they play a huge role in their ecosystems. The illegal trade in powders made from their horns, which in some countries in Asia is still considered a medicine or simply a symbol of wealth, nearly led to the extinction of the African rhino.

In 1875, there were still more than 1,000,000 rhinos living in the vast grasslands of Africa. Today the populations of the two species of black rhino and white rhino are estimated to contain about 5,000 and 20,000 animals respectively. The senseless killings continue. Since 2007, the number of rhinos hunted in Africa has increased by almost 9,000%.

It is therefore our call to stop the slaughter of rhinos with all our might.

During the citric acid cycle, some carbon atoms are released.

What are these carbon atoms released as?
A. FADH2
B. Acetyl-CoA
C. CO2
D. ATP

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Answer:

B. Acetyl-CoA

Explanation:

Acetyl CoA are released as carbon dioxide, one of the major products of cellular respiration, through a series of enzymatic reactions.

question in the picture i’ll give brainliest !!

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yes it is, let’s say B - is for brown hair and b - is for blonde hair

to have blonde hair they would have to have a bb genotype meaning that if bob had the Bb genotype then sally and bob have a 1/4th chance of having a blonde haired child

some bacteria can digest oil how are these bacteria helpful

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Answer:

human microbiota

Explanation:

build vitamins and help protect the body from diseases

Microbiota:

the range of microorganisms that may be commensal, symbiotic, or pathogenic found in and on all multicellular organisms, including plants

All cells come from pre existing cells. How do we know this?

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Answer:

We know that all cells come from pre-existing cells because of cell division.

how can carbon dioxide limit the rate of photosynthesis

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Answer:

An increased level of carbon dioxide leads to a higher rate of photosynthesis when compared to the lower carbon dioxide level. This shows that the carbon dioxide level has an effect and is now limiting the rate of photosynthesis.

Explanation:

Please answer my question who loves Paddington Bear

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Answer:I love paddington bear

Explanation:

What are some human activities that change the environment?

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Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water

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Answer: Bacteria

Explanation:

Answer:

Bacteria are organism's that don't need any light or oxygen to survive

Explanation:

Which organelle would be found in higher concentrations in a muscle cell when compared to other cell types? A) nucleus B) ribosome C) mitochondria D) cell membrane

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Which organelle would be found in higher concentrations in a muscle cell when compared to other cell types?
The answer is:
C) mitochondria

Investigators are studying a signaling pathway in which an RTK activates the monomeric GTPase Ras.

a. True
b. False

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False. Correct me if i’m wrong.

recently, state forests and parks like yellowstone national park which contain varieties of flowering trees and shrubs, have started to erect signs that state, take nothing but pictures, leave nothing but footprints. which argument best supports why these signs are being placed in state forests and parks?

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The argument that best supports why the signs are placed in the parks is that humans have the capacity to cause damages to the stability of ecosystems through their actions.

By removing tissues of plants or even entire plants, the stability of the entire park can be disrupted depending on the role such a plant plays in the ecosystem. Some species of organisms in the ecosystem play key roles and their removal or damages may cause significant disruption to the entire ecosystem.

Also, by leaving things that can be harmful to the plant species in parks, immeasurable damages can be done to the entire ecosystem.

More on biodiversity conservation can be found here: https://brainly.com/question/19672174

The best argument that supports the signs being placed in state forests and parks is: humans are capable of damaging the stability of the ecosystems by removing trees and shrubs.

Different components in an ecosystem interact with each other to ensure biodiversity is sustained. Some species of an ecosystem play important roles and a disruption or removal of such key species would cause disruption in the ecosystem.

Trees and flowers in this said park play important roles in the ecosystem of the park. If they are damaged or removed from the ecosystem, the biodiversity of the ecosystem will be impacted which will cause instability of the ecosystem.

Therefore, the best argument that supports the signs being placed in state forests and parks is: humans are capable of damaging the stability of the ecosystems by removing trees and shrubs.

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citer le type de mémoire perturbée par le T H C c,est un dm note reponse.

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hindi ko po gets sasagutan po ba yan

The leaves of peperomia plants develop roots and form new plants when they are placed in moist soil. Any leaf on the plant shown can produce a new plant. Which rwp terms describe this kind of reproductian? B. Vegetative C. Vascular

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Answer:

b. vegetative

Explanation:

VEGETATIVE REPRODUCTION = any form of asexual reproduction occurring in plants in which a new plant grows from a fragment/cutting of the parent plant

VASCULAR REPRODUCTION = reproduction of seedless vascular plants through unicellular spores instead of seeds

Answer:

SSTOP

Explanation:

Which of the following describes the changes that occur during the 3rd week of the menstruation cycle? A. The egg matures within the ovary. B. The egg travels through the fallopian tube to the uterus. C. The unfertilized egg is removed from the uterus. D. Egg travels from the ovary into the fallopian tube. Please select the best answer from the choices provided. A B C D.

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The changes that occur during the 3rd week of the menstruation cycle is

the egg travels through the fallopian tube to the uterus.

Ovulation is the process that takes place during the 3rd week of

menstruation. The Luteinizing hormone (LH) stimulates the release of the

egg from the ovary and travels through the fallopian tube to the uterus.

At this stage, the individual has a higher chance of getting pregnant when

unprotected sex occurs.

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According to the passage, who kicks the winning goal in the championship soccer game?
A) Jen Smith
B) Tommy Strom
C) Becky Fuller
D) Suzie Martinez

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Answer: Suzie Martinez

Explanation:

how would you explain the formation of two subspecies of an organism from an original species

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Answer:

splits into two or more genetically distinct descendant populations

Explanation:

New species form by speciation, in which an ancestral population splits into two or more genetically distinct descendant populations. Speciation involves reproductive isolation of groups within the original population and accumulation of genetic differences between the two groups

what bone in the human body is not connected to another

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hyoid bone is not connected to the any other

What molecules diffuse through the cell membrane without the use of energy and are required as reactants in photosynthesis?

A.glucose and oxygen

B.water and oxygen

C.glucose and carbon dioxide

D.water and carbon dioxide

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Answer:

Explanation:

If the substances can move across the cell membrane without the cell expending energy, the movement of molecules is called passive transport. Consider substances that can easily diffuse through the lipid bilayer of the cell membrane, such as the gases oxygen (O 2) and carbon dioxide (CO 2)

Which job description refers to the work of the mitochondrion?

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Mitochondria is the power house of the cell

Mitochondria is called as the “powerhouses of the cell,” which produce the energy necessary for the cell's survival and functioning.

What is Mitochondria?

A mitochondrion is defined as an organelle found in the cells of most eukaryotes such as animals, plants and fungi which has a double membrane structure and uses aerobic respiration to generate adenosine triphosphate, which is used throughout used as a source of chemical energy in the cell.

It is known as the "powerhouse of the cell", generating the energy needed for the survival and functioning of the cell.

Through a series of chemical reactions break down glucose into an energy molecule known as adenosine triphosphate (ATP), which is used to fuel various other cellular processes.

Thus, mitochondria is called as the “powerhouses of the cell,” which produce the energy necessary for the cell's survival and functioning.

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#SPJ5

Explain the 6 levels of organization.

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Life processes of the human body are maintained at several levels of structural organization. These include the chemical, cellular, tissue, organ, organ system, and the organism level.

Which of the following is not a property of water?

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Answer: It becomes more dense when it freezes.

Explanation: water becomes less dense when it freezes because ice has a cage like structure.

HELP ME PLEASEEE
1. What percentage of the offspring will be heterozygous?
2. Why does each parent contribute only one allele to the offspring?

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Answer:

1. 50% from the picture as they are Aa which means they are heterozygous and AA mean dominant and aa means ressecive.

2. Because alleles are segregated during meiosis when homologous chromosomes are separated.

Explanation:

Hope this make helps you to understand :)

1. 50%
2. Because alleles are segregated during meiosis when homologous chromosomes are separated.

what are the living bone cells that receive oxygen and other nutrients from small blood vessels running within the skeletal system?

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Answer:

I think Osteocytes and hematopoietic stem cells

How does the sexual life cycle of the human species introduce genetic
variations? *
2 points
1. Random fertilization
II. Crossing over of alleles
III. Independent assortment of chromosomes
O I, II, and III
O I and II only
O I only
O I and III only

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All of the above- 1, 2, and 3 These introduce variation into the chromosome or into the zygote and create cells and offspring unique from the parents.

People who have Tay-Sachs disease cannot metabolize some lipids effectively. Tay-Sachs is a recessive disorder. A student used a Punnett Square to determine the probability of offspring inheriting the disease. The results from a Punnett Square are 25% TT, 50% Tt, and 25% tt.

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Answer:

Explanation:

The example of the Great Barrier Reef is used to illustrate,
A) the insignificance of coral reefs
B) the lack of diversity in the ecosystem
C) the consequences of increasing acidity
D) the problems that too much algae can create

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The example of the Great Barrier Reef is used to illustrate the consequences of increasing acidity. It is one of the wonders of the natural world.

The Great Barrier Reef represents one of the wonders of the natural world and the largest coral reef system worldwide.

This barrier extends from shallow estuarine regions to the deep marine environment, more than 14 latitude degrees.

Ocean acidification stops the development of the Great Barrier because Reef development is supposed to cease at pH 7.8.

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Cell cycle regulators are:

1. Proteins that control the progression of a cell through the cell cycle

2. Enzymes that remove a phosphate from proteins

3. Genes that code to destroy a cell if it becomes cancerous

4. Chemicals that slow down the growth of cells

Answers

Answer:

If this didn't help then vote me 1 star. Thanks.

Explanation:

Two groups of proteins, called cyclins and cyclin-dependent kinases (Cdks), are responsible for the progress of the cell the. A phosphatase is an enzyme that removes a phosphate group from a protein. Together, these two families of enzymes act to modulate the activities of the proteins in a cell, often in response to external stimuli. Rough the various checkpoints. What genes destroy cancerous cells? The primary function of the p53 gene is to repair or destroy defective cells, thereby controlling potential cancerous cells. This type of gene is called an anti-oncogene or tumor suppressor gene Cancer growth blockers are also called cancer growth inhibitors. They are a type of targeted cancer drug. Our body makes chemicals called growth factors that control cell growth. Cancer growth blockers work by blocking the growth factors that trigger cancer cells to divide and grow. There are many types of cancer growth blockers that work in different ways..

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