The element carbon has three natural isotopes: C-12, C-13, and C-14.
Use the periodic table to find the number of protons in a carbon atom.
Then make a drawing to show the nuclei of the three carbon isotopes.
Your drawing should convey the number of protons and neutrons in each of the three different nuclei.

The option makes a lot of atp from one glucose. provides energy for a sprint applies to aerobic respiration.

ATP is the energy currency of the cell. It is produced by metabolism of glucose by three methods namely aerobic, anaerobic and fermentation. Aerobic respiration requires oxygen while anaerobic respiration and fermentation do not require oxygen. Electron Transport Chain or ETC occurs only in aerobic respiration. It is the last step where electrons are transferred.

Anaerobic respiration and fermentation produce two ATP while aerobic respiration produces 36 ATP. All the three forms of respiration can give energy for sprinting, but aerobic respiration is preferred due to high amount of energy.

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Beneficial mutations be transmitted horizontally to other e. coli cells by means of transformation.

Bacterial transformation is the transfer of free DNA released from a donor bacterium into the extracellular environment, usually leading to the assimilation and expression of newly acquired traits in the recipient bacterium.

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Explanation: The high specific heat of water means that it requires a large amount of heat to raise the temperature of water. This helps the temperature of the environment from becoming too hot or too cold. Also, humans are about 66% water, thus this property of water helps us regulate our body temperature too.

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One example of something that can increase the strength of a synapse is an increase in the number of receptors on the postsynaptic side of the synapse.

Explanation:

A synapse is a meeting point between the axon terminal of one neuron and another. Synapses are formed by swollen axon terminals. Inside the synaptic cytoplasm, there are synaptic vesicles. When the impulse reaches the end of the neuron, the vesicles move, then fuse with the pre-synaptic membrane and release acetylcholine. Acetylcholine diffuses through the synaptic cleft and attaches to receptors on the postsynaptic membrane. The attachment of acetylcholine to the receptor triggers an impulse in the next nerve cell. The enzyme acetylcholinesterase breaks down acetylcholine whose job is done.

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The injury that caused Jeff's immediate death and interfered with essential life functions like heartbeat and respiration occurred in the brainstem.

The brainstem is a vital region of the central nervous system located at the base of the brain. It acts as a bridge between the brain and the spinal cord and is responsible for regulating several essential functions necessary for life, including:

Autonomic functions: The brainstem controls autonomic functions that are essential for survival, such as heartbeat (cardiac function) and respiration (breathing).

Cardiovascular control: The brainstem contains centers that regulate blood pressure, heart rate, and the constriction/dilation of blood vessels.

Respiratory control: The brainstem is involved in controlling the rate and depth of breathing.

Reticular activating system (RAS): The brainstem contains the reticular activating system, which plays a critical role in maintaining consciousness and alertness.

A severe injury to the brainstem can disrupt these vital functions, leading to immediate and fatal consequences, such as the inability to maintain heartbeat and respiration, resulting in rapid death.

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Answer:

it increases

Explanation:

When a phosphate is added to glutamate, a phosphorylated intermediate with higher free energy is created. Thus, the phosphate can be replaced by ammonia in an exergonic process.

A reaction is considered exergonic if free energy is released during the reaction (for example, during cellular respiration). The line depicts the reaction's progression. The process is slowed down by activation energy (1).

Exergonic reactions happen on their own (no outside energy is required to start them). Exothermic reactions, such as the combining of sodium and chlorine to create table salt, combustion, and chemiluminescence are examples of exergonic reactions (light is the energy that is released).

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Answer:

sugar is the answer

Explanation:

sugar and oxygen are both products of photosynthesis

Answer:sugar

Explanation:

Cleavage differs from mitosis by b. there are no growth phases between divisions.

In the field of biology, cleavage can be described as a division by which a zygote or a fertilized egg divides. On the other hand, the process of mitosis occurs in the mature cells of an individual through which the chromosomes divide. The process of cleavage allows the zygote to rapidly divide. The very first of the divisions of the zygite are termed to be cleavage where the process of mitosis keeps on occurring as long as an organism is alive.

The process of mitosis has growth phases such as the interphase. On the other hand, there are no growth phases in the cleavage.

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At that time its sensible heat released over the time period it means that it releases heat from any degree Celsius up to zero degree Celsius.

It happens because heat is released from water to surrounding by the help freezer or refrigerator.

When latent heat is released than phase change will take place. It means that when water reaches at zero degree Celsius than latent heat will released than water become ice at zero degree Celsius.

The word associated with the phenomenon is phase change.

Freezing has been the process in which the phase change or state change takes place and it means that a process in which a liquid change into solid.

Freezing process can be achieved by the extraction of heat i.e or removing latent heat, latent heat, energy absorbed or released by a substance during a change in its physical state (phase) that occurs without change in temperature.

Therefore, At that time its sensible heat released over the time period it means that it releases heat from any degree Celsius up to zero degree Celsius.

It happens because heat is released from water to surrounding by the help freezer or refrigerator.

When latent heat is released than phase change will take place. It means that when water reaches at zero degree Celsius than latent heat will released than water become ice at zero degree Celsius.

The word associated with the phenomenon is phase change.

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There is a need to produce Okazaki fragments on the lagging stand, but not the leading strand of the DNA because the two parental strands of DNA are antiparallel and DNA polymerase makes DNA in the 5' to 3' direction only.

The leading strand of the DNA can be described as a strand that is in the 5' to 3' direction. As the DNA polymerase that is required for replication works in this direction hence there is no need of Okazaki fragments to be formed for the leading strand.

The lagging strand, on the other hand, is in the 3' to 5' direction which is the opposite of the working of DNA polymerase. Hence, for the lagging strand, Okazaki fragments are formed which are then joined by the DNA ligase to make the new strand from the lagging strand.

Although a part of your question is missing, you might be referring to this question:

Why is there a need to produce Okazaki fragments on the lagging strand, but not on the leading strand of DNA?

-The leading strand opens first, and so Okazaki fragments are not needed. The lagging strand unwinds second resulting in the need to produce Okazaki fragments.

-The two parental strands of DNA are antiparallel and DNA polymerase makes DNA in the 5′ to 3′ direction only.

-It is substantially more efficient to make several shorter strands rather than one longer strand of DNA.

-By having one leading strand and one lagging strand the cell can limit the amount of DNA polymerase used for chromosomal replication.

-There is not enough cellular DNA ligase for bonding Okazaki fragments together if they were produced from both parental strands.

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(b) Viruses and Salmonella are examples of naturally occurring biological hazards.

Biological hazards refer to the environmental threats which are posed by biological agents such as disease or infection causing micro-organisms called pathogens e.g. Viruses and Salmonella are classified as naturally occurring biological hazards.

Viruses are infectious particles. The genetic material of viruses is enclosed within a protein coat i.e. capsid. Salmonella is a rod-shaped bacteria responsible for causing an infection known as salmonellosis in humans.

DDT and DDE, crude oil seeps and Radon gas as well as Carbon dioxide and Nitrogen gas are all examples of chemical hazards that adversely affect human health.

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Answer:

Sep 21, 2020

7 key moments in this video

From 00:40

Decide on bin limits

From 01:56

Entering Bin Limits

From 02:21

Generate the frequency table

From 03:13

Review the frequency table

From 05:27

Add Axes titles

From 05:49

How to make the bars in the chart thick

Explanation:

The characteristic of a chromosome would make non homologous recombination more likely to be nonhomologous regions of homologous chromosomes.

Biology uses the term "single nucleotide polymorphism" (SNP) to describe a single base pair variation that is prevalent in the population. A mutation is defined as any change in the DNA sequence. In more detail, a polymorphism is any genomic region where at least two distinct sequences are discovered, with each sequence present in at least 1% of the population. The word "polymorphism" is frequently used to describe a normal variation or one that doesn't directly cause sickness. Additionally, the threshold of at least 1% prevalence for a variation to be categorized as a polymorphism is somewhat arbitrary; if the frequency is lower than this, the allele is often recognized as a mutation.

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Answer: B

Explanation:

I just did the test and it’s B

At 20°c, a cell with ψp of 3 bars is in equilibrium with the surrounding 0. 4m solution of sucrose in an open beaker. The molar concentration of sucrose of the cell is 0.52 M.

Ψ S = -iCRT

R = 0.0831 liter bars/mole K.

 i = 1 (for sucrose)

 Psi S(surround.)= -(1) x (0.4)x (0.0831) x (273+20)

Ψ S(surround) =−9.74  PsiS(surround) = Psi P + Psi S​    -9.74 = 3 + Psi S

Ψ S =12.74

Ψ S =iCRT  −12.74=−(1)×C×(0.0831)×(273+20)  −12.74=−24.34C  C = 0.52  

The best approach to describe a solution's solute concentration is in terms of molar concentration. The definition of molarity, or M = mol/L, is the total number of moles of solute dissolved in one litre of solution. The mass or moles of solute and the volume of the solution can be converted using molar concentration. The ratio of the amount of solute to the amount of solution is known as concentration.

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Lipids serve three primary biological functions in the body: they serve as structural components of cell membranes, they store energy, and they serve as important signaling molecules. Triacylglycerols (also known as triglycerides), phospholipids, and sterols are the three main types of lipids.

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Small, nonpolar, hydrophobic molecules such as fatty acids pass readily through a membrane's lipid bilayer.

The cell membrane, which is selectively permeable and controls the passage of molecules into and out of the cell, facilitates the movement of substances or molecules throughout the cell.

A thin polar membrane composed of two layers of lipid molecules is the lipid bilayer. These membranes are flat sheets that surround all cells and act as a continuous barrier.

A lipid-rich cell membrane will not repel small, nonpolar hydrophobic molecules like fatty acids, so they enter the cell through simple diffusion. This indicates that they easily and without assistance penetrate the lipid bilayer of a membrane. Because they are a class of lipids and soluble in the lipid layer of the cell membrane, fatty acids are able to pass through the lipid-bilayered membranes easily.

Small, nonpolar hydrophobic molecules such as fatty acids

a. pass readily through a

membrane's lipid bilayer

b. diffuse very slowly through the lipid bilayer

c requires special channels to enter a cell

d. are actively transported across cell membranes

c. must enter the cell via endocytosis

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Answer:

A

Explanation:

Answer:

(a) ATP , Carbon dioxide

Option (A), the mitochondria, is the organelle that is most likely involved in this condition.

Most eukaryotic species contain an organelle called a mitochondrion, which has two membranes.

The primary method through which mitochondria manufacture adenosine triphosphate, a chemical energy source for cells, is through aerobic respiration.

The mitochondria, which are membrane-secure cell organelles (mitochondrion, singular), create the most chemical energy to power the cellular metabolic reactions.

The mitochondria in cells are the mechanisms responsible for converting dietary energy into a form the cell can use.

Each cell contains countless hundreds of thousands of mitochondria.

The mitochondria, which are membrane-bound cell organelles, generate the majority of the chemical energy needed to power a cell's metabolic processes (mitochondrion, singular).

The small molecule adenosine triphosphate serves as a reservoir for the chemical energy produced by the mitochondria (ATP).

Therefore, option (A), the mitochondria, is the organelle that is most likely involved in this condition.

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A. The phenotypic ratio is produced by selfing it:

B. The genotypic ratio from selfing it:

C. The phenotypic ratio for a test cross is 1:1:1:1.

D. Test matings with heterozygous individuals should consistently yield a dominant-to-recessive phenotype ratio of approximately 1:1. Here the ratio of both genotype and phenotype is 50:50.

To estimate the genotype-phenotype relationship, calculate the number of Punnett squares for each allele aggregate. Therefore, in this example, we use one Punnett square box for RR and RR and two Punnett square boxes for Rr.

Calculating the Punnett rectangular ratio as 1:2:1 offers the genotypic ratio, giving the genotypic ratio. One obvious way to find out your genotype is to do a genetic test. Companies like 23andMe can do this fairly cheaply these days. But for this to work, scientists must understand the genetic differences that lead to traits.

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If an oak tree has 6 chromosomes in its reproductive cells, then it means that it has 12 chromosomes in its somatic cells. This is like this because reproductive cells are generated by meiosis, which is a reductional cell division, producing four cells with half of the genetic material of the original cell and different from each other.

Bioremediation uses microbes that  a. can modify environmental toxins through normal metabolism.

Bioremediation broadly refers to any process wherein an organic system, living or useless, is hired for casting off environmental pollution from the air, water, soil, flue gasses, industrial effluents, and many others., in natural or artificial settings.

Bioremediation technique is degrading, getting rid of, changing, immobilizing, or detoxifying numerous chemical compounds and physical pollutants from the environment via the interest of bacteria, fungi, algae, and plants.

Bioremediation allows for smoothing up water sources, creating more healthy soil, and improving air great around the globe. but not like excavation-based totally remediation techniques, which may be disruptive, bioremediation is less intrusive and might facilitate remediation of environmental impacts without adverse sensitive ecosystems.

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To make the quadriceps perform more work and increase the efficiency of the exercise, Sean should minimize the amount of trunk flexion at the start of the concentric phase.

We can describe trunk flexion as forward pelvic tilt and flexion of the spine. This activity causes more pressure on the muscles of your quadriceps and hence helps in building them.

The quadriceps can be described as the muscles that are present in the front region of the thigh. These area has more muscle mass as compared to other areas of your brain and hence need to be worked on so that the muscle mass here can be reduced.

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According to the given statement Eukaryotic mRNA species can be purified using this method.

The correct option is C.

Any cell or organism that has a distinct nucleus is said to have been eukaryote. The nucleus of a eukaryotic cell, which contains a well chromosomes (bodies holding the genetic material), is protected by a nuclear membrane.

Eukaryotic cells can also have other organelles outside the nucleus, such as mitochondria, plastids, the endoplasmic, the Golgi apparatus, and lysosomes. Each of these organs carries out a distinct task that is essential to the survival of the cell.

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The complete question is -

Researchers often want to isolate a certain type of RNA. For some RNA species, this can be accomplished via affinity chromatography, using beads coated with chains of poly-deoxythymidine (poly-dT). The desired RNA will stick to the beads while unwanted RNAs will flow through the column. The retained RNA can then be eluted.

What RNA species can be purified using this method?

A. bacterial mRNA

B. bacterial rRNA

C. eukaryotic rRNA

D. eukaryotic mRNA