PLS HELP "write an investigation to investigate heat production by germinating peas​"

Answers

Answer 1

Answer:

PROCEDURE:

Take some germinating seeds in a Thermos flask.

Cover the flask with a cork.

Insert the thermometer in the flask through the cork.

Observe the rise in temperature after some time.

RESULTS:

As the seeds respire, heat will be produced due to release of carbon dioxide. Thus, the temperature in the thermometer will rise.

PRECAUTIONS:

Thermos flask should be properly sealed so that no air enter it.

Thermometer should be properly inserted else it will break.

Leave the apparatus undisturbed for proper time as seeds will respire.


Related Questions

during freezing, what is the phase change occurring?

during freezing, what is the phase change occurring?

Answers

It's liquid to solid

3, liquid to solid. Hope it helps!!!!!!!!!

what is the number of feathers in pigeon body

Answers

Answer:

Typically a pigeon might have 1500 to 8000 feathers.
But an adult pigeon has 10,000 feathers.

2) how long does it take for the immune system to provide protection by producing disease-specific antibodies and memory cells? imminization

Answers

It takes around three weeks for the immune system to provide protection by producing disease-specific antibodies and memory cells.

The vulnerable system is the body's defence medium, defending us from  raiders  similar as  origins and contagions.   Cells are the abecedarian  structure units of our bodies. Our vulnerable system is made up of  numerous distinct types of cells, each of which plays a vital  part.

Numerous of them, particularly white blood cells, which are the  crucial  element of the  mortal vulnerable system, may be  set up in our rotation.   White blood cells are  set up strategically throughout the body, including the lymph bumps, spleen, lungs, bowel, and skin. This enables them to  manage with infections no matter where they enter the body.

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Do you agree with Descartes that there’s no sure test to tell whether or not you are awake or dreaming? Describe a dream you had where, in that dream, you thought you were actually awake. Was there anything you could have done in that dream, short of waking up from it, to show that you were in fact dreaming?

Philosophy question ! HELP PLS. TYPE A BRIEF AND LENGTHY RESPONSE ! 50 POINTS!

Answers

Answer:

I can tell you that René Descartes, the French philosopher and mathematician, argued in his philosophical treatise "Meditations on First Philosophy" that the distinction between waking life and dreams is not always clear, and that there is no sure test to determine whether one is dreaming or awake. He claimed that the experiences in a dream can seem just as real as those in waking life, and that it is only after waking up that one realizes it was a dream.

In terms of identifying that one is in a dream, there are certain dream signs that can indicate that one is dreaming, such as physical impossibilities, repetitive events or actions, and a distorted sense of time. However, these signs are not foolproof and can be difficult to recognize in the moment, especially if the dream feels real.

In summary, Descartes' argument is that there is no sure way to determine whether one is dreaming or awake, and that the experiences in a dream can be just as vivid and convincing as those in waking life.

True or False: Samples that represent as much of the whole population as possible provide stronger evidence.

Answers

yes this is correct !
the answer is trueeee

Describe what the observations imply about how starlings are affected by flocking behavior in the wild and explain how evidence suggests that flocking behavior provides an advantage to starlings.

Answers

Answer:

Explanation:

Starling is a bird from the family sturnidea. It originated from Europes and Asia from where it introduced to other part of the world. They lives in the wild.

Starling birds moves in group or tight flock from a place the other. They usually form a flock called murmuration where they move together in group following each other to avoid predation.

Starling have been able to survive on the wild with this behaviour. They stir above the average height of their neighbor in a coordinated manner preventing them from being caught by preys.

WILL AWARD BRAINLIEST PLEASE HELP IMPORTANT HELP IS NEEDED PLEASE PLEASE QUICK!!!

WILL AWARD BRAINLIEST PLEASE HELP IMPORTANT HELP IS NEEDED PLEASE PLEASE QUICK!!!

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Answer:

while walking through a dragon layer the dragon layer what is there a line of birth of dragon parents being the only available at the moment green and

Explanation:

hope it helps to

Analyze the graph below. Which of the following conclusions can be made based on the data presented?

Analyze the graph below. Which of the following conclusions can be made based on the data presented?

Answers

you can conclude that late cretaceous has about 1500 grams and this lake has the most amount. You can also conclude that late Devonian has the least amount of grams it looks to be about 500 grams.

movement along the sagittal plane that decreases the angle between two bones is____

Answers

movement along the sagittal plane that decreases the angle between two bones is Flexion.

Movement along the sagittal plane that decreases the angle between two bones is called flexion. The sagittal plane is an imaginary plane that divides the body into left and right sections. Flexion is a movement that decreases the angle between two bones, such as when you bend your elbow or knee. This movement is the opposite of extension, which increases the angle between bones, such as when you straighten your elbow or knee. Flexion and extension are the two main types of movement that occur along the sagittal plane.

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Take your pulse for one minute and record it. Then dim the lights, shut off any music, close the door, and close your eyes. Breathe slowly and deeply for five minutes. Concentrate on taking slow, even breaths. After five minutes, take your pulse for one minute and record it. Was there a noticeable decrease in your pulse? If so, what do you think caused the drop?

Answers

Yes I think it was the breathing

Is chloroplast eukaryotic or prokaryotic?

Answers

Answer:

Chloroplasts are eukaryotic, as they are present in all eukaryotic cells and all prokaryotic cells lack chloroplasts

Explanation:

strenuous exercise leads to muscle cramp give reason​

Answers

Explanation:

Cramps can have causes that aren't due to underlying disease. Examples include dehydration, strenuous exercise or lack of muscle use.

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Answer: Lactic acid

Explanation: The acid is caused by anaerobic respiration, which you do when you do not get enough oxygen

are there other uses of basagran herbicide other than herbicide​

Answers

Answer: established bluegrass, fescue, bentgrass, Bermudagrass, bahiagrass, centipedegrass, zoysiagrass, ryegrass

Explanation:

Which substance carries energy to the Calvin cycle? A. H₂0 B. ADP C. NADPH D. 0₂​

Answers

Answer:

NADPH

Explanation:

H₂O will break down into Hydrogen and Oxygen. The plant will use the Oxygen while the Hydrogen will escape while ADP will become ATP and O₂ will be used by the plant.

If a red blood cell is placed in pure distilled water, what do you expect to occur?


Group of answer choices
The cell will remain the same size
The cell will swell and burst
The cell will shrink
None of these

Answers

Answer:

The cell will swell and burst due to the hypotonic solution

Explanation:

Which body cavity has both anterior and posterior portions and houses many organs called viscera?.

Answers

The ventral cavity has both anterior and posterior portions a d houses many organs called viscera.

Numerous distinct organ systems are housed in the ventral cavity, the area inside the front of the body. The term viscera also refers to the internal organs of the ventral cavity. The diaphragm, a strip of skeletal muscle located below the lungs, divides the ventral cavity into anterior and posterior sections.

An region of the body that is filled with fluid that houses and protects internal organs is known as a body cavity. The numerous bodily cavities in humans are separated by membranes and other structures. The two largest body cavities in humans are the dorsal cavity and the ventral cavity. Between these two body cavities are smaller bodily cavities. The thoracic and abdominopelvic cavities make up the ventral cavity. The cranial and spinal cavities are separated by the dorsal cavity.

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GIVING 50 POINTS AND BRAINLIEST TO CORRECT ANSWER


What important events happen during the Krebs cycle? (Chose all that apply)

releases energy in the form of FADH2 and NADH

uses oxygen to form carbon chains and store energy

breaks down oxygen molecules to produce ATP

builds up and breaks down carbon chains

Answers

Krebs cycle releases energy in the form of FADH_2 and NaDH

Krebs cycle also known as Citric acid cycle As it was invented by Sir Hans Krebs So its known as Krebs cycle .

Through these fossilized artifacts, scientists can make conclusions. Some hominid trends include a flatter face as hominids modernized. Refer to diagram M. According to Hominid trends, which of the three jaws would most likely b that of a modern hominid?​

Through these fossilized artifacts, scientists can make conclusions. Some hominid trends include a flatter

Answers

Answer:

The first and second hominids have a more recent common ancestor than the first and third hominids.

Explanation:

The similarity in DNA can definitely reveal us about common ancestry but it does not guarantee that the two species must be mating and reproducing. The best example to support this statement is that humans and chimpanzees  share a common ancestor and both have so much similarity in their DNA. The DNA of humans and chimpanzees is around 99% similar but still humans and chimpanzees cannot mate to produce off springs. Several attempts have been made in past to obtain fertile off springs by mating humans and chimpanzees but so far their mating has not produced any fertile off spring.

The goal of this research is to replicate the process by which RNAi to prevent expression of to treat ailments such as cancer and hepatitis

Answers

Researchers are currently exploring the use of RNAi to target specific genes involved in hepatitis, with promising results in preclinical studies.The goal of RNAi research is to understand and replicate the process of using small interfering RNAs (siRNAs) to prevent the expression of specific genes

in order to treat various ailments, including cancer and hepatitis. By targeting and silencing the genes responsible for disease, RNAi has the potential to provide more targeted and effective therapies than traditional treatments. Researchers are currently exploring the use of RNAi to target specific genes involved in hepatitis, with promising results in preclinical studies.

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how is light focused in the eye (list the 2 anatomical structures, and describe their contribution)?

Answers

Lens and cornea helps to focus light in the eye.

Lens is the clear part of eye behind iris. It directs light beams toward the retina. The transparent lens is removable if necessary. As we age, the condition of our lens deteriorates, necessitating the use of reading glasses. The word lens comes from the Latin name lentil, native to the Mediterranean area

Cornea is the transparent part of the eye that covers the iris and the pupil and allows light to enter inside. It is made up of water and collagen without any blood vessels. The word cornea has come from “Kerato”. The term “Kerato” in Greek means horn or shield like.

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A cell of an organism has four chromosomes. It undergoes a process at the end of which two daughter cells are produced. Each daughter cell has four chromosomes. Which process is described? A. fertilization B. meiosis C. mitosis

Answers

Explanation:

The process described in which a cell with four chromosomes produces two daughter cells, each with four chromosomes, is mitosis. Mitosis is a cellular division process that results in the production of two identical daughter cells, each containing the same number of chromosomes as the parent cell. This process is involved in the growth, repair, and asexual reproduction of organisms. Fertilization, on the other hand, is the process of fusion between gametes (sperm and egg) during sexual reproduction, which results in the formation of a zygote with a complete set of chromosomes. Meiosis is a different cellular division process that occurs in specialized cells (germ cells) and leads to the production of gametes with half the number of chromosomes as the parent cell.

C mitosis

In mitosis there are two daughter cells produced with the same/ identical

Explanation for other options
At the end of meiosis there would be 4 daughter cells with half the number of chromosomes so this is not the answer
Fertilisation is when male and female gamete come together to form a zygote, so this can’t be the answer

I am giving 15 ponits! pls answer!!
How do you predict that a change to a single nitrogen base, such as an adenine or a thymine, could affect the function of a gene?

Answers

Answer:

Study whether a different protein is produced or has a different function because another amino acid has been synthesized

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Explanation:

Which lettered points would you use to show zoe’s voluntary action of choosing to move her leg out of the way? what should the labels be?

Answers

Point D is designated for Zoe's voluntarily moving her leg out of the way. The signal that travels down the spinal cord to the skeletal muscle originates at point B. Zoe moves her leg out of the way from point C by using her muscles.

When an action is carried out with the involvement of thoughts, it is referred to as voluntary action.

Usually, the brain is in charge of controlling voluntary actions. These are the deliberate activities that the brain and spinal cord work together to accomplish.

Point D in the scenario stands in for Zoe's voluntarily moving her leg out of the way. The signal reaches the skeletal muscle at Point B after travelling down the spinal cord. Zoe moves her leg away from point C by using muscle.

Point D is the solution as a result.

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Vertical clinging and leaping is a locomotor pattern frequently practiced by some Group of answer choices apes. lemurs. terrestrial monkeys

Answers

Grasping and jumping vertically is a locomotor pattern often practiced by some terrestrial monkeys, because lemurs move by jumping in trees, being excellent jumpers, but lacking prehensile tails.

How does the monkey move?

The locomotion of the monkeys takes place using the four limbs: legs and arms. Their hands and feet are developed so that they are useful for monkeys to cling to tree branches.

With this information, we can conclude that Primate locomotion can be classified on behavioral grounds into four major types: vertical clinging and leaping, quadrupedalism, brachiation, and bipedalism.

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Which type of organic molecule provides us with quick energy?

Answers

Answer:

Sugar

Explanation:

Sugar goes into your blood and gives you a quick energy boost.

Answer:

Carbohydrates

Explanation:

Carbohydrates provide energy to the body, particularly through glucose, a simple sugar that is a component of starch and an ingredient in many staple foods. Carbohydrates also have other important functions in humans, animals, and plants. Lipids include a diverse group of compounds that are largely nonpolar in nature.

In a simple endocrine reflex, the endocrine cell is the:a) target.b) integrating center.c) sensor.d) sensor and integrating center.e) integrating center and target.

Answers

The endocrine cell is the integrating center in a simple endocrine reflex, meaning it receives a signal from the sensor, interprets it, and then produces a response to the target cell. This response can lead to an increase or decrease in the activity of the target cell. The correct answer is option B

This means that the endocrine cell receives a signal from the sensor, interprets it, and then produces a response. The endocrine cell integrates information from the sensor and processes it in order to make a decision on how to respond. The endocrine cell then communicates its response to the target. The target can be any number of cells in the body, such as muscles, glands, or even organs.

The response from the endocrine cell can lead to an increase or decrease in the activity of the target cell. The integration and response of the endocrine cell to the signal from the sensor is what makes up the endocrine reflex.

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What is a pioneer species? (Will give brainiest)

What is a pioneer species? (Will give brainiest)

Answers

Answer:

The first species to colonize an ecosystem that is previously damaged or disrupted. Supplement. Pioneer species is the first to colonize an ecosystem previously disturbed or damaged. For example, sand that has become barren is colonized by a pioneer species of lyme grass (Leymus arenarius)

Explanation:

to enable the heart of a well-trained athlete to produce a cardiac output of up to 35 l/min, stimulation of the heart muscle is needed through the a. autonomic nervous system b. sympathetic nervous system c. phrenic nerve d. vagus nerve

Answers

to enable the heart of a well-trained athlete to produce a cardiac output of up to 35 l/min, stimulation of the heart muscle is needed through the sympathetic nervous system

Your autonomic nervous system includes your sympathetic nervous system. It could be referred to as your "automatic" nervous system because it controls many functions that you do not have to think about. This can include, among other things, controlling your heart rate, blood pressure, digestion, urination, and sweating. The role of your sympathetic nervous system in responding to dangerous or stressful situations is well-known. In these situations, your sympathetic nervous system activates, causing your heart rate to increase, more blood to be delivered to areas of your body that require more oxygen, or other responses to assist you in escaping danger.

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Which statement describes the best evidence that two species share a recent common ancestor? NO LINKS NO NINKS
A) The species are about the same size.
B) The species eat the same type of food.
C) The species live in the same ecosystem.
D) The species have similar DNA sequences.

Answers

D.

Traits of two different organisms can be similar due to convergent evolution, that is, natural selection which favors the evolution of similar traits in species. The result of convergent evolution are analogous traits. These are traits which are similar but do not originate from a common ancestral trait. These can often be mistaken as homologous traits, which are traits that do originate from a common ancestor.

The take away here is that similarity of traits does not necessarily mean that two organisms shared a common ancestor.

However, by looking at the DNA sequences of the organisms we can determine if they truly shared a recent common ancestor or not.

What two planets is the The kuiper belt located between?

Answers

Answer:

should be Neptune and pluto but there are further planet's beyond that but if you talking in between it would make sense pluro and Neptune

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Areas near the equator are the hottest, and the further away you get from the equator in either direction (north or south) the cooler it gets.In your own words answer this: If 0 latitude is hot and 90 latitude is cold, would you predict the weather in your city to be relatively warm or relatively cool? Why?__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Based on the latitude/location of your city answer the questions using complete sentences. Remember, weather is the day-to-day conditions of a place. Climate is the average weather conditions of a place over a period of years. You are to examine and discuss the climate of your city.The Earth is unevenly heated by the sun due to the sun hitting some areas more directly than others.How does that impact the temperatures in your city? 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