Define close circuit.​

Answer:

The correct answer is - C. The amount of folic acid is the independent variable, and the DNA synthesized is the dependent variable.

Explanation:

DNA is the genetic material of most of the living organisms. In this question, Joe wants to study to see the effect of folic acid on the synthesis of the DNA. Folic acid ae the essential nutrients or vitamin for the synthesis of nitrogen bases of the DNA that are purines and pyrimidines. A dependent variable and an independent variable are two important part of any experiment.

A dependent variable is a variable being tested and measured. In the experiment Jon is conducting, the amount of DNA becomes a dependent variable that is being tested and measured in the presence of folic acid.  And folic acid is the independent variable tested to check the formation of DNA in bacteria.

Thus, the correct answer is - C. The amount of folic acid is the independent variable, and the DNA synthesized is the dependent variable.

Answer:

The amount of folic acid is the independent variable, and the DNA synthesized is the dependent variable.

Explanation:

Edmentum

The beginning of the Pleistocene marked a major shift in climate, environment, and landscape, which resulted in the opening of new niches for early Homo species. To adapt to these changes, early Homo underwent significant physical and behavioral adaptations.

Physically, early Homo adapted to the new environment by evolving a number of anatomical features, such as a smaller jaw and teeth, larger brain size, and more efficient bipedalism. These changes enabled early Homo to better cope with the changing climate, environment, and landscape, and to exploit new food resources.

Behaviorally, early Homo adapted by developing more sophisticated stone tool technology, which enabled them to hunt and process meat more efficiently. They also began to live in larger social groups, which helped them to better defend themselves against predators and to share knowledge and skills.

Additionally, early Homo likely developed language and communication skills, which allowed them to cooperate more effectively and to transmit cultural knowledge across generations.

Overall, the physical and behavioral adaptations of early Homo allowed them to successfully colonize new habitats and to thrive in an ever-changing world.

To know more about Pleistocene click here:

https://brainly.com/question/12163109

#SPJ11

Answer:

When planted, the bud grows into a mature plant. The resulting plant has 1. no parent 2. one parent 3. two parents and is genetically identical

When planted buds grow into a mature plant enough. The plant developing has no parent 2. one parent 3. two parents and is genetically identical to the parent(s).

Strawberry flora generally starts flowering in mid-May in southern Minnesota. For June-bearing sorts, it takes approximately 4 weeks from flora flowering to choosing fruit. Day impartial and ever-bearing kinds start flowering across the identical time withinside the spring and take approximately the identical time among flowering and harvest.

The first-class component approximately strawberries is that they are very clean to develop in nearly all climates and soils throughout the US and Canada—so long as you plant them in an area that receives complete sun.

Strawberry flora is available in 3 kinds: June-bearing sorts undergo fruit all at once, generally over a length of 3 weeks.

Hence concluded that strawberry plants send out runners that have buds. When planted, the bud grows into a mature plant. The resulting plant has 1. no parent 2. one parent 3. two parents and is genetically identical to the parent(s).

To know more about strawberry plants refer to the link :

https://brainly.com/question/695283

Answer:

The cell is the basic unit of life. Some organisms are made up of a single cell, like bacteria, while others are made up of trillions of cells. Human beings are made up of cells.

Explanation:

Answer:

Cell is the smallest structure,function and morphological units of living Organisms.

how do I know: from my biology teacher.❤❤

hope it's helpful ❤❤❤❤.

THANK YOU.

Answer:

An organism's DNA affects how it looks, how it behaves, and its physiology. So a change in an organism's DNA can cause changes in all aspects of its life. Mutation is important as the first step of evolution because it creates a new DNA sequence for a particular gene, creating a new allele. Recombination also can create a new DNA sequence (a new allele) for a specific gene through intragenic recombination.

Explanation:

1. True 2. True 3. Scientific investigation is characterized by a good theoretical base and a sound methodological design. These characteristics are both related to the  Option a. Rigor

True - A critical review of the literature is necessary in nearly all research projects. It helps researchers understand the existing knowledge and gaps in the field, identify relevant theories and methodologies, and build upon previous studies.

True - Objectivity and parsimony are both related to the rigor of an investigation. Objectivity refers to the impartiality and lack of bias in conducting and interpreting the research, while parsimony refers to the principle of simplicity in explaining phenomena or choosing the most straightforward explanation. Both objectivity and parsimony contribute to the rigor of a scientific investigation.

a. Rigor - Scientific investigation is characterized by a good theoretical base and a sound methodological design. These characteristics are both related to the rigor of the investigation. Rigor refers to the thoroughness, precision, and reliability of the research process, including the theoretical underpinnings and the robustness of the methods employed.

To know more about Scientific investigation follow the link:

https://brainly.com/question/12877465

#SPJ4

The correct question is:

1. A critical review of the literature is necessary in nearly all research projects.

True

False

2. Objectivity and parsimony are both related to the rigor of an investigation?

True

False

3. Scientific investigation is characterized by a good theoretical base and a sound methodological design. These characteristics are both related to the of the investigation What must be filled on the line?

a. Rigor

b. Precision and confidence.

c. Objectivity

d. Parsimony..

Herniation or downward protrusion of the urinary bladder through the wall of the vagina is known as cystocele.

It is a type of pelvic organ prolapse (POP) that occurs when the supportive tissues and muscles in the pelvic region become weakened or damaged, allowing the bladder to bulge into the vagina.

Cystocele can be caused by a variety of factors, including childbirth, hormonal changes, obesity, chronic coughing, constipation, and aging.

Symptoms of cystocele can include a feeling of pressure or fullness in the pelvic region, discomfort during sexual intercourse, difficulty emptying the bladder completely, and urine leakage.

Treatment for cystocele may depend on the severity of the condition and the impact on the patient's quality of life.

Mild cases of cystocele may not require treatment, but moderate to severe cases may require surgery to repair the weakened tissues and muscles.

Non-surgical treatments may include pelvic floor exercises, lifestyle changes (such as weight loss), and the use of a pessary (a device that is inserted into the vagina to support the bladder).

It is important to seek medical attention if you suspect you have cystocele or any other symptoms of pelvic organ prolapse.

A healthcare provider can perform an examination and recommend appropriate treatment options.

To know more about cystocele visit link :

https://brainly.com/question/4622043

#SPJ11

Answer:

The cells survive best under acidic conditions

Explanation:

To understand this graph, you first need to understand what data is being given. All you are given is cell survival and pH.

With this, the pH has an obvious effect on cell survival. Higher pH (basic environment) correlates to more cells dying. Knowing this, you can rationalize that the more acidic environments with a low pH are the best environment for it.

Also, it would not survive well in distilled water since its pH lies somewhere north of 6, which is shown to not be ideal here.

There are two types types of theory induced fit and lock and key theory.

Amylase breaks bonds between carbohydrate molecule.It can be found excreting from the pancreas and salivary glands.This enzyme follows lock and key model.The lock and key model means that the substrate must perfectly fit the enzyme, and the enzyme does not change.

The substrate , sucrose, consists of glucose and fructose bonded together.

The substrate binds to the enzyme forming an enzyme substrate complex.

The binding of the substrate and enzyme places stress on the glucose fructose bonds and the bond breaks.Products are released and the enzyme is free to bind other substrate.

For more information regarding lock and key theory

https://brainly.com/question/27960142

Amylase is a digestive enzyme that acts on starch in food, breaking it down into smaller carbohydrate molecules.

Enzymes are biopolymers that are involved in speeding up the reaction rates in various biological reactions. The lock and key theory suggests that there is a complimentary shaped substrate that will fit exactly into the specific shape of the enzyme's active site.

This theory is known as the 'lock and key model'. It explains why each enzyme will only work on one substrate. For example, the active site of amylase is only complementary to starch and will only break down starch, not protein or fat.

Amylase is the enzyme and the substrate is starch. The starch molecule will be complimentary in shape and fit into the active site of Amylase, so it can be broken down into maltose. Amylases digest starch into smaller molecules, ultimately it yields maltose, which is cleaved into two glucose molecules by maltase.

To learn more about this topic,

brainly.com/question/13878074

The statement "In 80% of all individuals, the common bile duct and the pancreatic duct unite before entering the duodenum" is false because it inaccurately describes the anatomical arrangement of the common bile duct (CBD) and the pancreatic duct.

The correct statement is that the CBD and the pancreatic duct usually join just before entering the duodenum, forming a common channel called the hepatopancreatic ampulla (or the ampulla of Vater).

This junction is regulated by a muscular valve known as the sphincter of Oddi. In a small percentage of individuals, approximately 80-85%, the CBD and the pancreatic duct enter the duodenum separately, maintaining their own individual openings. This anatomical variation is called the separate ampulla or duplicated ampulla, the statement is false.

To learn more about pancreatic follow the link:

https://brainly.com/question/29871375

#SPJ4

The way in which the author conveys the idea that food fraud is a serious problem is by stating by putting the wrong labels on food, it can cause people with allergies to the content of the food to be in serious health danger that could lead to death.

This refers to the term that is used to describe and define any deliberate action of businesses or individuals to deceive others in regards to the integrity of food to gain undue advantage

Hence, it can be noted that food fraud exists in many forms, but incorrect labelling can lead to death for people with allergies to the content of the food.

Read more about food frauds here:

https://brainly.com/question/13895500

#SPJ1

Which key detail helps develop the author's idea that food fraud takes many forms? Investigators visited a factory to examine its cheese. Manufacturers may put fillers in some of their products People study ingredients to make sure they are safe​

Answer: accurate, leaves out, in danger.

Explanation: It's correct. I hope it helps :)

The two things that are most directly responsible for the cause of the seasons on Earth are the tilt of the Earth's axis and its revolution around the Sun.

The Earth's axis is tilted by about 23.5 degrees, which means that as the Earth revolves around the Sun, different parts of the planet receive varying amounts of sunlight throughout the year. This tilt causes the amount of sunlight that different regions of the Earth receive to vary throughout the year.

During the summer months in the Northern Hemisphere, the North Pole is tilted towards the Sun, causing sunlight to hit it at a more direct angle. This results in longer days and shorter nights, as well as warmer temperatures. Conversely, during the winter months in the Northern Hemisphere, the North Pole is tilted away from the Sun, resulting in shorter days and longer nights, as well as cooler temperatures.

In summary, the tilt of the Earth's axis and its revolution around the Sun are the two main factors responsible for the seasonal changes we experience on Earth.

You can learn more about Hemisphere at: brainly.com/question/501939

#SPJ11

An essential component of all viruses is capsid.

A virus is a tiny infectious agent that replicates inside the living cells of a host organisms. Viruses are small, often around 20-400 nanometers, which makes them smaller than the average bacteria. They are composed of a nucleic acid genome (either DNA or RNA) that is surrounded by a protein coat called the capsid. Certain viruses, like the influenza virus, also have an additional outer envelope constituting proteins, lipids, and carbohydrates that encompasses the capsid. This envelope is significant in the replication of the virus. Viruses do not possess their own metabolism and rely on their host cells to replicate. A virus can only replicate if it enters a host cell. It then employs the host cell's molecular machinery to generate copies of itself, which are also termed as virions. The following are the components of a virus: Genome, Capsid, Envelope and Spikes.

Capsid is an essential component of all viruses. It is a protein coat or shell that encloses and protects the genetic material or genome of a virus. It is composed of individual protein units called capsomeres that have a unique shape and configuration for each virus and comes together to form the overall structure. The capsid's function is to encase and preserve the virus's genetic material and to assist the virus in entering the host cell in order to replicate itself. The nucleic acid of the virus is packaged inside the capsid, which serves to protect it from damage and aid in its transmission to a new host. The capsid promotes the virus to bind to its host cell and inject its genetic material into it. Viruses utilize several means for penetrating host cells, incorporating endocytosis and fusing their envelope with the host cell membrane.

Hence, the essential component of all viruses is the capsid.Option (C) capsid is correct.

Learn more about virus component: https://brainly.com/question/17133676

#SPJ11

Answer:

I think it is D

Explanation:

is there a picture related to this ?

Answer:

B. False

Explanation:

The taxonomies get more specific as you move down the line. The current eight levels go like this:

As you can see, the taxonomies get increasingly more specific as we go further down.

Answer:

make hard shells and skeletons by combining calcium and carbonate from seawater

Explanation:

Answer:

The statements which are true in the case of zebra, giraffe, and plants are that energy is needed to power all cell processes and energy allows organisms to grow and reproduce.

Explanation:

Energy is considered to be an important element for the growth and survival of all living organisms including plants and animals. Energy is a must to generate power which is needed for the efficient functioning of all the cell processes. In addition, energy plays an important role in the reproduction of living organisms. For example, Plants go through the process of photosynthesis where they convert the carbon dioxide mixed with water into carbohydrates which provide energy for the growth and reproduction of plants.

Thus the statements that are true are energy is needed to power all cellular processes and that energy allows organisms to grow and reproduce.

Learn more about energy here

https://brainly.com/question/10629072

Answer:

A. Decompose and grass

Explanation:

grass will grow and die and decompose down into soil as it dried off and faded away overtime.

Answer:

c

Explanation:

Frogs and snakes both compete for the same food source! Which is the decomposer!!

Answer:

D

Explanation:

I believe the answer is D

DNA is a large and complex molecule that is too big to diffuse freely through cell membranes or other barriers. Therefore, DNA generally does not move by diffusion in the way that small molecules or ions do.

As per the question given,  

However, there are some situations where DNA can move through a process called translocation, which is facilitated by specific protein channels or transporters. For example, during gene expression, DNA is transcribed into RNA, which can move out of the nucleus and into the cytoplasm through nuclear pores. Similarly, during DNA replication, the newly synthesized DNA strands are translocated through replication forks by specific enzymes.

In summary, while DNA does not move by diffusion in the same way as small molecules or ions, it can be transported across cell membranes or other barriers through specific mechanisms that require the participation of protein channels or transporters.

For such more questions on DNA

https://brainly.com/question/16099437

#SPJ4

Answer:

anatomy and neurobiology

Explanation:

Molecular Biology is the field of biology that studies the composition, structure and interactions of cellular molecules – such as nucleic acids and proteins – that carry out the biological processes essential for the cell's functions and maintenance.

Successful molecular biologists have an excellent understanding of subjects such as cell physiology, chemistry, genetics, and physics.

A neuroscientist (or neurobiologist) is a scientist who has specialised knowledge in the field of neuroscience, the branch of biology that deals with the physiology, biochemistry, psychology, anatomy and molecular biology of neurons, neural circuits, and glial cells and especially their behavioral, biological, and psychological aspect in health and disease.

Answer: Education?

Explanation: While I'm not 100% sure, I think that having an average income is going to be most helpful in keeping the infant healthy and alive, while being educated is above all extremely important, I don't think it will necessarily cause death compared to having no food, clean water, or an average income in order to gain those things. Like I said, not 100% sure. Just my take on the question.

The four major parts of the adult brain are the cerebrum, diencephalon, brainstem, and cerebellum.

The four major parts of the adult brain are the cerebrum, diencephalon, brainstem, and cerebellum. The cerebrum is the largest and most prominent part of the brain, responsible for higher cognitive functions such as thinking, memory, and voluntary movements.

The diencephalon, located beneath the cerebrum, includes structures like the thalamus and hypothalamus, which play essential roles in sensory processing, regulation of homeostasis, and hormone production. The brainstem, positioned at the base of the brain, connects the cerebrum and the spinal cord.

It controls basic functions like breathing, heart rate, and consciousness. Lastly, the cerebellum, located at the back of the brain, is primarily responsible for coordinating movement, balance, and posture. Together, these four major parts of the brain work in harmony to support various cognitive, sensory, motor, and regulatory functions, ensuring the proper functioning of the central nervous system.

Learn more about cerebrum here:

https://brainly.com/question/29846378

#SPJ11

In the myocardium, voltage-gated K channels in ventricular cells contribute to the repolarization phase of the action potential.

The myocardium, which refers to the muscular tissue of the heart, is composed of different types of cells, including atrial and ventricular cells. Each type of cardiac cell exhibits unique electrical properties and contributes to the overall functioning of the heart.

During the action potential in ventricular cells, various ion channels are involved in generating the characteristic electrical changes. Voltage-gated K channels play a significant role in the repolarization phase of the action potential. These channels are activated upon depolarization, allowing the outward flow of potassium ions (K+) from the cell. The efflux of K+ leads to the restoration of the cell's negative resting membrane potential, bringing the cell back to a more polarized state.

This repolarization phase is crucial for the proper functioning of the heart as it allows the myocardium to reset and prepare for the next contraction. The voltage-gated K channels in ventricular cells facilitate this repolarization process, ensuring the coordinated and rhythmic electrical activity of the heart.

To learn more about ventricular cells, Click here: brainly.com/question/32162177

#SPJ11

Answer:d

Explanation:I took the test

Answer:

the first choice is D) The presence of each base is dependent on the size of the organism.

Explanation:

thanks!

Opening a Na+ channel in a non-neural sensory receptor cell would cause that cell to depolarize.

Sensory receptors are cells that detect stimuli, which can be internal or external. Stimuli can take the form of chemicals, heat, pressure, light, or any other physical or chemical changes in the environment.

1. Sensory receptors may be neural or non-neural. Non-neural receptors are found in epithelial tissues and transmit signals directly to sensory neurons. Merkel cells, hair cells, and rod and cone cells in the retina are examples of non-neural sensory receptors.

2. Na+ channels in sensory receptors control the flow of sodium ions across the plasma membrane. When Na+ channels open, sodium ions enter the cell, causing it to depolarize.

3. Depolarization occurs when the membrane potential becomes less negative, or more positive. This depolarization can lead to the generation of an action potential in a sensory neuron, which can then be transmitted to the central nervous system.

Learn more non-neural sensory receptor cells-

https://brainly.com/question/25753221

#SPJ11

Answer:

The eight-point algorithm is an algorithm used in computer vision to estimate the essential matrix or the fundamental matrix related to a stereo camera pair from a set of corresponding image point