Study the graph above. Which variable is plotted on the y axis?
independent
dependent
control

Answer: B

Explanation:

Answer:

B!

Explanation:

E d g e 2021

Answer:

The answer is C

Weather changes and it is recorded daily

every day we have different weather (btw)

Explanation:

The answer letter is C.

Answer:

Explanation:

Title: Observation of Liverworts (Hepatophyta)

Objective: To observe the living green "leafy" gametophyte stage of liverworts and compare them with moss.

Hypothesis: Liverworts and moss may share some similarities in structure, but there may be significant differences between them.

Observations:

Liverworts Structures:

Gametophyte: The main plant body of the liverwort, which is haploid (n) and produces gametes.

Sporophyte: A structure that grows from the gametophyte and produces spores. It is diploid (2n).

Rhizoides: Root-like structures that anchor the gametophyte to the substrate and absorb water and nutrients.

Leaf-like structures: Flattened structures that resemble leaves but do not have true veins or stomata.

Thallus: The entire plant body of the gametophyte, which lacks true stems or roots.

Observations of different structures in liverworts:

Sporophyte: Small and inconspicuous, growing from the gametophyte.

Gametophore: The stem-like structure that supports the gametophyte and sporophyte.

Rhizoides: Thread-like structures that attach the gametophyte to the substrate and absorb water and nutrients.

Thallus: The plant body of the gametophyte that lacks true stems or roots.

Comparison between liverworts and moss:

Similarities:

Both are non-vascular plants.

Both have a haploid (n) gametophyte and a diploid (2n) sporophyte stage.

Both reproduce by spores and require water for fertilization.

Differences:

Liverworts have leaf-like structures and a thallus, while mosses have true leaves and stems.

Liverwort sporophytes are small and inconspicuous, while moss sporophytes are tall and conspicuous.

Liverworts have rhizoides, while mosses have true roots.

Answer:

healthcare disparities

Explanation:

Answer:

Cardiac and skeletal muscle are both striated in appearance, while smooth muscle is not. Both cardiac and smooth muscle are involuntary while skeletal muscle is voluntary. ... While skeletal muscles are arranged in regular, parallel bundles, cardiac muscle connects at branching, irregular angles, called intercalated discs. interenet lol

Explanation:

Answer:

Striated muscles are the muscles that allow your body to move. Smooth muscles are the ones in the digestive system that allow food to move along the gut. I'm not sure about the Cardiac muscle.. I think it's something to do with the heart.

Explanation:

Hope this helps :) Please comment if it helped..

Answer:

1.ans

b

.mint

2.ans

b.grape

3.ans

a.Pumpkin

4.ans

a.stomata

5.ans

b) Male organ

6.ans

(a) Parallel venation and fibrous root

7.ans

(a) Weak stem which cannot stand upright : Creeper

8.ans

(b) Photosynthesis

9.ans

(c) Margin : gives shape to the leaf

10.ans

(b) (i) and (iii)

11.ans

c) Ovary, stamen and stigma

12.ans

(c) Leaf

13.ans

c) Photosynthesis

please mark me as brainliest

Do Eukaryotic Cells have Mitochondria?

In addition to the nucleus, eukaryotic cells may contain several other types of organelles, which may include mitochondria, chloroplasts, the endoplasmic reticulum, the Golgi apparatus, and lysosomes.

What is a  Eukaryotic cell?

A eukaryotic cell is one of two different types of cells. Organisms that are based on the eukaryotic cell are called “eukaryotes” and include plants, animals, fungi, and protists.

What is Mitochondria?

The mitochondrion (plural mitochondria) is a membrane-bound organelle found in the cytoplasm of eukaryotic cells. It is the power house of the cell; it is responsible for cellular respiration and production of (most) ATP in the cell. Each cell can have from one to thousands of mitochondria. Mitochondria also contain extranuclear DNA that encodes a number of rRNAs, tRNAs, and proteins.

Answer:

im pretty sure its c but this is what i found on the web: the atmospheric temperature is at or below freezing (0°C or 32°F).

Explanation:

Answer:

im pretty sure its c but this is what i found on the web: the atmospheric temperature is at or below freezing (0°C or 32°F).

Explanation:

Answer:

b on eng 2020-2021

Explanation:

Air mass is defined as the volume of air that is determined by the temperature and water vapor content. The air mass is divided into four categories, which are maritime polar, continental polar, maritime tropical, and continental tropical.

The correct answer is:

Option B. continental polar

Continental polar air masses are generally cold and dry because they arise from the continental region. The air mass is stable and originates over Canada and Alaska. The continental polar are marked by the surface high pressure, cold temperatures, and low dew points.

The maritime tropical air mass is warm, moist, and unstable, whereas the continental tropical air mass is originated from the low-altitude desert and is characterized by negligible rainfall.

Therefore, option B is correct.

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1. CPSI is in mitochondria, and CPSII is in cytosolic. 2. Carbamoyl phosphate in enzyme.  3. So the carbamoyl phosphate formed in mitochondria can be used only for argenine synthesis, and that formed in cytosol is used only for pyrimidine synthesis.

Despite the fact that both CPS activities are easily found in cells like periportal hepatocytes, the CPS-2 activity associated with CAD is found in the cytoplasm, whilst the CPS-1 activity is unique to mitochondria, where it largely participates in the urea cycle. The initial phase of the urea cycle, which is where more nitrogen molecules are added to the cycle to be digested, is controlled by the carbamoyl phosphate synthetase I enzyme.

The hereditary condition known as carbamoyl phosphate synthetase I deficiency is one of several urea cycle abnormalities. Using a catalytic process that passes via three reactive intermediaries—carboxy phosphate, ammonia, and carbamate—CPS produces carbamoyl phosphate from two molecules of MgATP, one molecule of bicarbonate, and one molecule of glutamine.

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Answer:

HERE

Explanation:

One resource used for energy production that can impact the natural resource of ozone layer depletion is coal. Burning coal releases pollutants like sulfur dioxide, nitrogen oxides, and mercury into the atmosphere, which can contribute to the formation of smog and acid rain. These pollutants can also react with other chemicals in the atmosphere to break down ozone molecules, contributing to the depletion of the ozone layer. So, the way humans use coal as an energy resource can have a negative impact on the ozone layer and the environment.

The dragging of labels in order to identify the components of whole blood after centrifugation is as follows:

Centrifugation may be defined as a type of biotechnique that significantly involves the utilization of centrifugal force in order to separate particles from a solution according to their size, shape, density, medium viscosity, and rotor speed.

According to the context of this question, the upper layer is the least dense which consists of about 55% of the total blood. While the bottom layer is the most dense component which consists of about 45% of the total blood.

Therefore, the dragging of labels in order to identify the components of whole blood after centrifugation is well described above.

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The ATP yield from 2 moles of mitochondrial NADH under aerobic conditions in a eukaryotic cell is approximately 4 moles of ATP.

Since there are 2 moles of mitochondrial NADH, the total ATP yield would be around 4 to 6 moles of ATP. However, the most accurate option among the given choices is 4 moles of ATP.

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If we wanted to do research on two species that share the greatest number of characteristics/traits, then we'd choose two species that are in the same genius.

We know that taxonomy is the study of the various classifications of the living organisms. The closer the characteristics that the organisms share, the more the organisms can be comfortable put into the same taxonomical class.

Having said this, the organisms that has the closest level of semblance between them could be found in the same species hence they are able to interbreed with each other. Various species could be found to be in the same genius yet they have a close resemblance.

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Answer:

You lose and/or fail.

Example: my competition in checkers outwitted me and defeated me, so I didnt win.

Explanation:

When someone beats you, you dont win. The opposite of win is lose, or defeated.

The two items that cause disruptions in ecosystem stability and are a result of human activities are the introduction of an invasive species and global warming due to pollution. option D.

The uptake of carbon dioxide by plants and nutrient cycling through food webs are both natural processes that contribute to ecosystem stability. The introduction of an invasive species occurs when non-native species are introduced into an ecosystem, often through human activities such as trade and travel. These species can outcompete native species for resources, disrupt food webs, and even alter the physical environment. Invasive species can also spread diseases and parasites that further harm native species. Global warming due to pollution is another major disruptor of ecosystem stability. Human activities such as burning fossil fuels and deforestation have released large amounts of greenhouse gases into the atmosphere, causing temperatures to rise. This disrupts ecosystems by altering the timing of seasonal events, changing precipitation patterns, and causing sea levels to rise. These changes can negatively impact species' abilities to survive and reproduce, leading to declines in populations and even extinctions. Overall, it is important for humans to consider the impacts of our actions on ecosystems and take steps to minimize disruptions. This can include reducing our carbon footprint, avoiding the introduction of non-native species, and supporting conservation efforts. By doing so, we can help maintain the health and stability of ecosystems for future generations. option D.

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The atmosphere contains nitrogen in an unusable form. All living forms require nitrogen, which is present in the air, soil, and water. The bulk of the nitrogen in the atmosphere, or dinitrogen, or N2, is inaccessible to organisms since it is not immediately metabolised by them.

Dinitrogen is a chemical that is particularly difficult for organisms to break down and use for energy since it is so stable. This kind of nitrogen may be found in the air, but it cannot be used by living things until it is changed into another form, such nitrate or ammonia.

The useful forms of nitrogen are created by bacteria and may be found in soil and water. Dinitrogen may be transformed by bacteria into nitrite and nitrates.

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This is a problem in the field of ecology.

The problem of quagga mussels in the lake is an ecological issue that requires scientific assessment and management.

It falls under the discipline of ecology, which studies the relationships between organisms and their environment.

Ecologists investigate the impacts of invasive species on the ecosystem and devise strategies to control their spread and minimize their effects.

In this case, scientists will need to examine the size of the quagga mussel population, their distribution, and their ecological interactions with native species.

They will also need to recommend measures to prevent further introduction of quagga mussels and to manage their population growth, such as using chemical treatments or biological controls.

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The answers include the following:

This is referred to as a material or object that produces a magnetic field and it has two poles which are the North and south poles in which the magnetic field of a magnet is strongest.

Cooling a magnet will not cause a magnet to lose its magnetism but instead the magnetism will increase because the molecules within the magnet will move slower because they have less kinetic energy so there is less vibration within the magnet's molecules thereby resulting in more concentrated magnetic field that strengthens the magnet.

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Answer:

1. Pelvis is wider in females due to it is an anatomical feature that allows the childbirth

2. A study aimed at determining if the size of the pelvis shows association with problems during childbirth

3. Females with smaller pelvis frequently have problems during childbirth

4. Populational biases in the data regarding ethnicity, age, etc

Explanation:  

A hypothesis is a proposed explanation for a given phenomenon from the real world. A scientific hypothesis needs to be tested by experimentation or observational procedures. A good hypothesis must fulfill two key requirements  1- it must be-testable, i.e., capable of being proved by using the scientific method, and 2-falsifiable, i.e., it must have a possible negative answer.

Answer:

Cells protect their DNA by enveloping it in a nucleus

Explanation:

In a prokaryotic cell, one of the foremost vital parts is the cell film. Here are two reasons to back this choice:

Selective Barrier: The cell layer acts as a particular boundary that directs the development of substances into and out of the cell.

Selective Barrier:  permits fundamental supplements and particles to enter the cell whereas anticipating the section of hurtful substances. This specific penetrability is crucial for keeping up the cell's inside environment and securing it from possibly harming operators.

Vitality Generation: The cell film plays a significant part in vitality generation in prokaryotic cells.

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Parasites that cause human disease can be classified into different groups based on their characteristics and the diseases they cause. Here are some examples:

1. Protozoa:

  - Example: Plasmodium falciparum

  - Disease: Malaria

  - Location in Host: Plasmodium parasites reside and multiply within red blood cells.

  - Mode of Transmission: Mosquitoes (Anopheles species) transmit the parasite to humans through their bites.

2. Helminths (Worms):

  - Example: Ascaris lumbricoides

  - Disease: Ascariasis

  - Location in Host: Adult worms reside in the small intestine.

  - Mode of Transmission: Ingestion of eggs present in contaminated food, water, or soil.

3. Nematodes (Roundworms):

  - Example: Enterobius vermicularis

  - Disease: Enterobiasis (Pinworm infection)

  - Location in Host: Adult worms inhabit the large intestine, while females migrate to the perianal area to lay eggs.

  - Mode of Transmission: Ingestion of infective eggs, which are usually transferred from contaminated surfaces or through direct contact with an infected person.

4. Trematodes (Flukes):

  - Example: Schistosoma mansoni

  - Disease: Schistosomiasis (Bilharzia)

  - Location in Host: Adult worms reside in the blood vessels surrounding the intestines and liver.

  - Mode of Transmission: Contact with water bodies infested with freshwater snails that release the parasite larvae, which can penetrate the skin of humans.

5. Cestodes (Tapeworms):

  - Example: Taenia solium

  - Disease: Taeniasis (Tapeworm infection)

  - Location in Host: Adult worms reside in the human intestine, where they attach to the intestinal wall.

  - Mode of Transmission: Consumption of undercooked or raw contaminated meat containing the larvae or ingestion of food or water contaminated with eggs.

It's important to note that this list provides only a few examples, and there are numerous other parasites that can cause diseases in humans. The diseases mentioned here represent a fraction of the many parasitic infections that can occur, and each parasite has its unique characteristics, geographical distribution, and mode of transmission. Proper diagnosis, treatment, and preventive measures are essential for managing these parasitic infections.

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If Bb is crossed with bb, the resulting offspring will be 50% Bb and 50% bb. It will have a 1:1 black to white phenotypic ratio.

Answer - B. 1:1 black to white

The sum of an object's total motion along a path is the length of the path traveled between two places. Distance has no symbol since it has no direction.

Distance is defined as an object's entire movement without regard for direction. Distance may be defined as how much ground an item has traversed regardless of its starting or finishing place.

An object's distance can be defined as the object's whole path traveled. As an example, If a car goes east for 6 kilometers before turning north for another 8 kilometers, the total distance traveled by automobile is 14 kilometers.

The mathematical expression for distance is:

D = xt

Where:

x = Speed in meters/seconds

t = time taken in seconds

It should be noted that speed is the pace at which an item travels. It's a fundamental idea in motion that deals with how quickly or slow an item may travel.

When time is constant, speed is just distance divided by time, where distance is exactly proportional to velocity. Problems involving speed, distance, and time will need you to compute for one of three variables.

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Answer:

Scientist know that any response during an experiment is associated only with that cell type.

Explanation: