ddt was widely used as a pesticide until it was realized that it was causing a major decline in bird populations because it resulted in:

The absence of material incentives (reward chips) may have led to a decrease in children's motivation and potentially altered the results.

Material incentives, such as reward chips, can serve as external motivators to encourage certain behaviors or responses in children. In an experiment, the presence or absence of these incentives can significantly influence participants' motivation and, consequently, impact the results.

If children were not offered any material incentive, it is possible that their motivation to perform the desired actions or tasks could decrease. Without the tangible reward chips as a form of immediate gratification or reinforcement, children may have less incentive to actively participate or engage in the experimental tasks. This reduced motivation could potentially lead to altered behavioral responses, decreased effort, or even disinterest in the experiment.

The absence of material incentives may affect the overall engagement, compliance, and perseverance of the children throughout the experiment. Researchers would need to consider alternative forms of motivation or rewards, such as verbal praise or recognition, to maintain engagement and minimize the potential impact of the absence of material incentives on the results.

learn more about The absence of material incentives, here

https://brainly.com/question/13037087

#SPJ4

Answer:

1. Ligase  - 5. joins the Okazaki fragments together

(Ligase is involved in joining the okazaki fragments together by sealing the nicks of the DNA strand.

2. Helicase - 1. unwinds the DNA molecule

(Helicase separates the two DNA strands at the replication fork.)

3. Polymerase - 2. synthesizes the complementary daughter strands

(Polymerase synthesizes the complementary daughter strand by adding nucleotides to the DNA.)

4. Topoisomerase - 4. creates nicks ahead of the replication fork to relieve tension from unwinding

(The highly coiled DNA is relaxed by creating nick ahead of the replication fork in the phosphate backbone of DNA strands.)

5. RNA primase - 3. synthesizes RNA primer at the initiation point

(RNA primase synthesizes an RNA primer (short sequence of RNA).)

Explanation:

Answer:

C. Nina makes 20x dollars at her first job each week.

Explanation:

Answer:

food and sunlight

Explanation:

C

-identify the symptoms that people develop due to the strain

-work on an effective vaccine to help prevent the spread of the virus

The point on a two-dimensional plane from which blood drops in an impact pattern originated is called the point of origin.

In forensic science, analyzing bloodstain patterns can provide valuable information about the nature of a crime and the events that occurred at a crime scene. By examining the size, shape, and distribution of blood droplets, investigators can determine the direction of blood flow, the angle of impact, and the location of the point of origin. This information can be used to reconstruct the events that led to the bloodshed and provide evidence to support or refute witness statements or suspects' alibis. Overall, the analysis of bloodstain patterns is an important tool in forensic investigations and can provide critical evidence in criminal trials.

To learn more about  point of origin refer to:

brainly.com/question/16718122

#SPJ4

If a scientist discovers a microbe with genetic material and proteins but no nucleus or cell structures, then the best conclusion about the microbe is that it is a prokaryotic cell.

Prokaryotic cells are unicellular organisms that lack a nucleus and other membrane-bound organelles. Instead, their genetic material is contained within a single circular chromosome in the cytoplasm. They also lack internal membranes and have a simpler internal structure than eukaryotic cells.
Prokaryotic cells are able to perform all necessary life processes without the need for specialized organelles because they have all the necessary proteins within the cytoplasm. The genetic material contains the information necessary to produce these proteins. Thus, the presence of proteins within the microbe is not surprising, but the lack of membrane-bound organelles is characteristic of prokaryotic cells.
In conclusion, the best conclusion about the microbe is that it is a prokaryotic cell, which lacks a nucleus and other membrane-bound organelles, but contains genetic material and proteins in the cytoplasm.

To know more about microbe visit:

https://brainly.com/question/30450246

#SPJ11

The introduction of a carbon-carbon double bond would cause a overall structure of the molecule to bend.

Carbon-carbon bonds are the type of bonds seen in hydrocarbon compounds which consists of two carbon atoms that has covalent bonds between them.

Covalent bonding occurs between atoms that share the electrons in their outermost shell to achieve an octet shape like the noble gases.

When there is an introduction of a carbon-carbon double bond, it leads to the bending of the overall linear structure.

This bend that is caused by the double bond is often referred to as "cis" and leads to a change in some physical properties of the molecule such as :

Therefore, the introduction of a carbon-carbon double bond would cause a overall structure of the molecule to bend.

Learn more about carbon here:

https://brainly.com/question/105003

Answer: virus that parasitizes a bacterium by infecting it and reproducing inside it.

Explanation:

According to the graph, species A enjoys colder temperatures whereas species B enjoys warmer ones. At 15-20°C, the two species are equally plentiful, but beyond 25°C, species A becomes less prevalent, suggesting that it cannot withstand the warmer temperatures that species B prefers.

Thermophiles can withstand extremely high temperatures, whereas most bacteria and archaea would be damaged and occasionally die at the same temperatures. At high temperatures, thermophiles' enzymes work.

The term "mesophile" refers to all other microorganisms. Thermophiles are those that can thrive at temperatures above 55 °C and below 20 °C, respectively. Hyperthermophiles, also known as extreme thermophiles, can survive and thrive in temperatures above 80 °C.

To know more about species visit:-

https://brainly.com/question/13259455

#SPJ1

Answer:

The correct answer is -

variation, over population and adaption.

Explanation:

Natural selection is the process to which the various species and populations are able to adapt and change according the environmental changes. It is affected by three main factors that are variation, over population and adaption.

Variation: varion is one of the factor that pushes the population to change towards the beneficial variation in the population for their survivability and reproducing theirselves.

Overpopulation: over population increases the competition amon population and there fore there resources become limited so few have to change or their ways of utilizing resources.

Adaption: Adapting the change takes place due to any situation in environmental that put stress on the population allow them to adapt according the change or they will extinct.

Answer:

Variation, overpopulation, and adaption

Explanation:

I can confirm this is the right answer, because I just did the assignment.

The best explanation for why cells are so small in all organisms regardless of the taxonomic group is that this size optimizes homeostasis by the exchange of nutrients and waste products with the media.

The cells are so small in all organisms regardless of the species because they need to optimize the exchange of material with the surrounding environment, which allot to maintain the state of internal equilibrium.

In conclusion, the best explanation for why cells are so small in all organisms regardless of the taxonomic group is that this size optimizes homeostasis by the exchange of nutrients and waste products with the media.

Learn more about cell size and homeostasis here:

https://brainly.com/question/18423877

#SPJ1

Amphetamine and methamphetamine affect synaptic transmission by releasing dopamine from vesicles into the cytoplasm within the axon terminal, where it is moved into the synaptic gap by the reverse action of dopamine transporters (DATs).

The correct answer is option c.

This results in an increased concentration of dopamine in the synaptic gap, leading to an enhanced activation of dopamine receptors. This effect is more prominent with methamphetamine than amphetamine.

The increase in dopamine levels induced by these drugs has been linked to their rewarding and addictive properties. Moreover, it has been suggested that this effect is responsible for the development of tolerance and dependence on these drugs.

Although the precise mechanisms by which amphetamine and methamphetamine affect dopamine release are not fully understood, it is believed that these drugs interfere with the normal functioning of DATs, leading to the accumulation of dopamine in the axon terminal. Additionally, these drugs may also affect other neurotransmitter systems, such as norepinephrine and serotonin, contributing to their overall effects on behavior and cognition.

Therefore, Option c is the correct answer.

For more such questions on synaptic transmission, click on:

https://brainly.com/question/15104708

#SPJ11

Cancer is a disease of the cell cycle because it is characterized by abnormal and uncontrolled cell growth. The cell cycle is the process by which cells divide and replicate themselves in order to grow and repair tissues in the body.

Normally, the cell cycle is regulated by a complex network of signaling pathways and checkpoints that ensure that cells divide in a controlled and orderly manner. However, in cancer cells, this process becomes deregulated, and cells can divide and grow in an uncontrolled manner.

A tumor is a mass of abnormal cells that have grown out of control. Tumors can be benign, which means they are not cancerous and do not spread to other parts of the body, or malignant, which means they are cancerous and can spread to other parts of the body.

Benign tumors are usually not life-threatening, but malignant tumors can be very aggressive and can lead to serious health complications if not treated.

To learn more about cancer:

https://brainly.com/question/26059802

The amount of water, oxygen, light intensity, carbon dioxide content, and temperature can all have an impact on how quickly photosynthesis occurs.

By enclosing a leaf in a closed, transparent chamber and monitoring the decline in carbon dioxide content over time, the rate of leaf photosynthetic activity may be calculated. Outside of the chamber, the light flux density is measured, and it needs to be adjusted for the transmittance of the chamber.

A measure of the maximum pace at which leaves can fix carbon during photosynthesis is called photosynthetic capacity. It is commonly expressed as the quantity of fixed CO2 per mol m-2 sec-1.

To know more about photosynthesis visit:-

https://brainly.com/question/1757345

#SPJ1

Answer:

C. ATP is required to move substance A into the cell.

Explanation:

As the model shows a cell with the movement of substances A and B, so the correct statement following the model is "ATP is required to move substance A into the cell".

This is so because ATP is required by a cell to move the substance such as ions across a membrane against a concentration and at the same time another substance moves out of the cell by the process called diffusion.

As in the model, we can see substance A is moving in the cell while B is moving out of the cell (distance between cell membrane and substance B is more).

Hence, the correct answer is "C. ATP is required to move substance A into the cell."

Answer:

b

b

c

b

Explanation:

SEE THE IMAGE FOR SOLUTION

HOPE IT HELPS

HAVE A GREAT DAY

Answer:

Calm is to chaos

Explanation:

Calm and chaos are antonyms, so that is what you are looking for in your answer choice.

Stillness and quiet are basically synonyms (both describing something peaceful.)

reply and interpretation are more like cause and effect, as in you can interpret a reply.

calm and chaos are antonyms.

movement and commotion are synonyms.

Answer: A the act of changing the functions of proteins.

Explanation:

Answer:

First one (80% probability)

The main intramolecular force between two molecules of propanoic acid is hydrogen bonding.

define intermolecular forces ?

Intermolecular forces are the forces of attraction or repulsion between molecules. These forces determine the physical properties of a substance, such as its boiling point, melting point, and viscosity. The main types of intermolecular forces include dipole-dipole forces, ion-dipole forces, London dispersion forces, and hydrogen bonding. The strength of these forces is dependent on the properties of the molecules involved, such as their size, shape, and electronegativity.

Dipole-dipole interactions occur between polar molecules, hydrogen bonding occurs between molecules containing hydrogen atoms, and van der Waals forces are attractive forces between neutral molecules. These forces play a crucial role in determining the behavior of molecules in the world around us.

To learn more about intermolecular forces follow the given link: https://brainly.com/question/14220340

#SPJ4

Answer: Crab, because an arthropod has no spine but an external skeleton.

Answer:

How is the muscular system related to the skeletal system?

Muscles connect to your skeleton and they contract and move the skeleton along. Your skeletal system is made up of cartilage and calcified bone that work together. They help the process of movement happen in a smoother manner.

Explanation:

This May be wrong I apoligise if it is.Try and see if this may be

right.

Answer:

The bones of the skeletal system serve to protect the body's organs, support the weight of the body, and give the body shape. The muscles of the muscular system attach to these bones, pulling on them to allow for movement of the body.

Answer:

D

Explanation:

If it includes numbers it is quantitative

Answer: the fulcrum

i don't know the other one

Thromboembolic conditions of concern during the postpartum period include deep vein thrombosis (DVT), pulmonary embolism (PE), and placental abruption. DVT is the formation of a clot in the deep veins of the legs, arms, and pelvis. PE is the lodging of the clot or a portion of it in the lung’s blood vessels, which can lead to a decrease in oxygen levels in the blood and difficulty breathing.

Risk factors for thromboembolic conditions in the postpartum period include being over 35 years old, carrying more than one baby, having a prolonged labor, a history of clotting disorders, or having a Cesarean section. Additionally, immobility due to postpartum fatigue and swelling can increase the risk of DVT and PE.

To reduce the risk of thromboembolic conditions during the postpartum period, pregnant women should maintain a healthy diet and lifestyle. Moving around, taking breaks from sitting or lying down, and wearing compression stockings can also help prevent blood clots from forming. Asking a doctor about medications to reduce the risk of clotting is also a good idea.

Thromboembolic conditions can be serious and life-threatening if not properly treated. Therefore, pregnant women should be aware of the signs of DVT, PE, and placental abruption, and immediately contact their doctor if they experience any of the symptoms.

For more similar questions on thromboembolic conditions

brainly.com/question/18848911

#SPJ11

Answer:

B

Explanation:

I need points

Answer: It’s bigger than black and white

Explanation:

We done have a hell of a year

Answer:

life appeared 500 million years after the formation of earth. i.e. almost 4 billion years back.