What process can cause non-virulent bacteria to become virulent when they take up DNA from heat-killed virulent bacteria?

Answer:

Explanation:

True

Answer:

False because The Curch can't contradict the teaching of jesus, contradict is just a different way of saying "deciding" so the church can't decide what should jesus is or be or anything!

Answer:

The new crust will be added at the mid-oceanic ridge.

Explanation:

The Calvin Cycle are often referred to as carbon fixation, reduction, and regeneration of the starting molecule.


1. Carbon fixation - This step involves the attachment of a carbon dioxide molecule to a 5-carbon sugar (RuBP) resulting in an unstable 6-carbon molecule, which splits into two 3-carbon molecules (3-PGA).
2. Reduction - In this phase, the 3-PGA molecules undergo a series of chemical reactions, where they are converted into G3P (a high-energy sugar) using energy from ATP and NADPH.
3. Regeneration of the starting molecule - The G3P molecules are rearranged to regenerate RuBP, allowing the cycle to continue.

Hence, the Calvin Cycle consists of three main steps: carbon fixation, reduction, and regeneration of the starting molecule. These steps are crucial for photosynthesis, as they convert carbon dioxide into high-energy sugars needed for plant growth and development.

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The proposed mechanism by which a basic molecule affects an acid solution is option (b): The base releases OH⁻ which can combine with H⁺ in the solution, therefore raising the pH toward 7.0.

In an acidic solution, the concentration of H⁺ ions is higher than the concentration of OH⁻ ions. A basic molecule, also known as a base, can donate OH⁻ ions to the solution, which can then combine with H+ ions to form H₂O, effectively reducing the concentration of H⁺ ions and raising the pH towards 7.0.

Option (a) is incorrect because basic molecules actually promote the dissociation of H₂O molecules into H⁺ and OH⁻ ions, and do not prevent the dissociation.

Option (c) is incorrect because basic molecules are not ionic and do not combine with H₂O molecules in this way

Option (d) is incorrect because this describes a different effect of bases on the stomach lining, rather than their effect on the pH of an acid solution.

Therefore, the correct answer is (b) The base releases OH⁻ which can combine with H⁺ in the solution, therefore raising the pH toward 7.0.

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0.027  is the genotype frequency of the dna evidence for d5s818 and this also be thought of as p(10, 15), which is a heterzygote genotype.

The presence of two distinct alleles at a specific gene site. A heterozygous genotype may consist of one normal allele and one mutant allele, or two distinct mutated alleles (compound heterozygote).For instance, having one allele for red hair and the brown hair allele might suggest that you are heterozygous for hair colour.

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Answer:

When precipitation exceeds evapotranspiration and runoff in an area, the result is moist soil and possible flooding. Vegetation reduces runoff in an area but increases evapotranspiration. ... The volume of water moved by a stream in a given time period.

: ) x

The photophosphorylation is the synthesis of ATP from ADP and phosphate in the plants using the light energy absorbed during the photosynthesis process.

the wavelength of infrared is larger than the ultraviolet and all frequency is smaller.

Answer:

The wavelength of infrared is longer than the wavelengths in the visable spectrum

Explanation:

Answer:

It is called

Explanation:

The osmosis diagram is the one that most accurately represents how a plant cell might change in appearance after spending thirty minutes in a concentrated sugar solution.

Osmosis is the process by which water molecules move from an area with a lower concentration of solutes to an area with a higher concentration of solutes across a semi-permeable membrane.

If a concentrated sugar solution were present, the solute concentration outside the plant cell would be higher than that inside.

Water from inside the plant cell would naturally try to exit the cell as it is submerged in the concentrated sugar solution in an effort to balance the solute concentration on either side of the cell membrane.

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Answer:

a

Explanation:

sorry if wrong

have a great day

Dependence of efflux upon the presence of ATP was observed in studies measuring the efflux of radioactive sodium from the squid giant axon.

So, the correct option is C.

The squid giant axon is a highly specialized biological device whose primary function is to consistently and quickly activate the squid's mantle muscles to produce its jet propulsion mechanism. In order to circumvent this issue, Hodgkin and Huxley looked at the action potentials in the squid's comparatively massive axons, which may reach 1 mm in diameter. When an action potential occurred, they were able to quantify electrical alterations in the squid giant axon by inserting a tiny capillary electrode into the axon measured efflux of radioactive sodium.

One of the most significant discoveries regarding the brain came from research on squid axons: the process underlying the "action potential," the electrical language used by brain cells to communicate.

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Answer/Explanation:

There are three alleles associated with the human ABO blood types. The A allele produces A antigens, the B allele produces B antigens, the O allele doesn't produce any antigens.

A is dominant to O, which is recessive. B is also dominant to O. This is simple dominance

However, A and B are co-dominant, meaning neither is dominant over the other. They are both expressed equally.

If an individual inherited two A alleles (AA) they are blood group A.

If an individual inherited an A allele and an O allele (AO) they are also blood group A.

If an individual inherited two B alleles (BB) they are blood group B.

If an individual inherited a B allele and an O allele (BO) they are also blood group B.

If an individual inherited an A allele and a B allele (AB), they are blood group AB.

The study of blood is called hematology.

The correct answer to the question is mentioned below.

According to the question,  There are three alleles associated with the human ABO blood types. The A allele produces A antigens, the B allele produces B antigens, the O allele doesn't produce any antigens.

A is dominant to O, which is recessive. B is also dominant to O. This is simple dominance. However, A and B are co-dominant, meaning neither is dominant over the other. They are both expressed equally.

If an individual inherited two A alleles (AA) they are blood group A.

If an individual inherited an A allele and an O allele (AO) they are also blood group A.

If an individual inherited two B alleles (BB) they are blood group B. If an individual inherited a B allele and an O allele (BO) they are also blood group B. If an individual inherited an A allele and a B allele (AB), they are blood group AB.

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probably not, it misht be a satelite, and it burns when it enter in our atmosphere

Answer:

no it was most likely a meteor because meteors burn quick in the atmosphere

Explanation:

Following are the bonds in decreasing strength: Ionic, hydrogen, covalent, and van der Waals forces are all in order.

The Van der Waals bond In addition to other intermolecular forces, van der Waals forces also include the attraction and repulsion between atoms, molecules, and surfaces. Because they result from correlations in the varying polarisations of adjacent particles, they differ from covalent and ionic bonding.

The term "dispersion forces" is used to describe the weakest ties. When the electrons in two nearby atoms occupy positions that cause the atoms to temporarily form dipoles, the consequence is the dispersion force, which is a transient attractive force. Any two molecules that are almost contacting each other experience dispersion forces.

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Complete question: Which of these bond is weakest ?

(a) Hydrogen bond.

(b) Metallic bond.

(c) Ionic bond.

(d) Covalent bond.

The numerous, bristle-like appendages used by some bacterial cells for adhering to surfaces are called fimbriae.

In order words, fimbriae simply refers to those numerous, bristle-like appendages used by some bacterial cells for adhering to surfaces. Please get this cleared stored into your cerebrum that fimbriae are also known or called pili

Bacteria cells are those cells which are microscopic ( cells which cannot be seen with the ordinary eye but can be seen only with microscope) and characterized by the presence of just only one cell. This means that bacteria cells are unicellular organisms.

Saprophytes are organisms which live and feed on dead decaying plants and animals.

Parasites are organisms which live and feed on another organisms causing harm to them.

So therefore, the numerous, bristle-like appendages used by some bacterial cells for adhering to surfaces are called fimbriae.

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Electromagnetic waves have many different wavelengths and frequencies that span a range known as the electromagnetic spectrum Light of different wavelengths produces different perceptions of color. The longest wavelengths produce the perception of red, while the shortest ones produce the perception of violet.

Answer:

a) HT

Explanation:

This question shows an animal with two distinct unlinked genes i.e. on different chromosomes. One gene codes for head shape and the other for tail length. The gene for head shape possess alleles H and h, while gene for tail length possess alleles T and t.

According to Mendel's law of independent assortment, the alleles of a gene will separate into gametes independently of the alleles of another gene. This occurs in such a way that each gamete will contain only one allele from a gene.

Based on this principle, an animal with genotype HhTt will undergo meiosis and randomly produce gametes with the following allelic combinations: HT, Ht, hT, and ht. As seen in the gametes, only one allele of a gene occured in a gamete at a time.

Therefore, HT is the genotype possible in a gamete of parent: HhTt.

Answer:

Columbia Space Shuttle

Cassini

Hubble Telescope

Valentina Tereshkova

John Glen

Yuri Gagarin

Explanation:

Graded potentials are changes in voltage along the axon of a neuron, as opposed to action potentials, which occur in the axon hillock but are propagated along the length of the axon.

Graded potentials are short-term changes in the resting potential of an axon and usually arise as a result of stimuli on dendritic or somatic membranes. Graded potentials are typically divided into two categories: depolarizing and hyperpolarizing.

Depolarizing graded potentials occur when the membrane potential moves closer to the threshold for an action potential, while hyperpolarizing graded potentials, the opposite is true, and the membrane potential moves further away from the threshold.

The magnitude of the graded potentials is determined by the strength of the stimulus that caused them, with a higher intensity stimulus producing a larger change in voltage. Although graded potentials are usually considered transient events, their effect on the axon cannot be ignored, as this ultimately dictates whether an action potential will be generated.

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Correct question is :

Graded potentials generally occur only on the axon of a neuron. explain.

Answer:

D.  

Explanation:

Prokaryotic DNA exhibit single origin of replication while eukaryotic DNA has multiple origins of replication because eukaryotic DNA is much larger and multiple origin of replicate helps them to replicate the whole genome in short time duration.

Large DNA of eukaryotes contain high amount of material to be replicated and multiple origin sites helps them to replicate in short time. DNA replication initiate at each origin site independentaly and terminate at corresponding termination sites.

Hence, the correct answer is D.

Answer:

D

Explanation:

i took the test

Answer:

a

Explanation:

The cuticle in the plants minimizes the water loss or transpiration from leaves. The correct option is A.

Transpiration is the process by which water vapor is lost via the stomata of plants. When the weather is very hot, the plant's loss of water vapor cools it down, and moisture from the stem and roots moves upwards or is 'pulled' into the leaves.

The evaporation of extra water from stomata in plant leaves is known as transpiration. It is necessary for some upward movement of water in plants. It aids in the regulation of plant temperature.

To transpire, water vapor must diffuse through this motionless layer from the stomata to the atmosphere, where it will be removed by moving air. The cuticle present in the waxy leaves prevent excess transpiration.

Thus, the correct option is A.

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Right ventricle and pulmonary trunk, and analyzed for oxygen concentration all would contain about the same amount of oxygen. The answer is OPTION A.

The amount of oxygen that a person's blood can transport is indicated by their oxygen saturation. Even when given 100% oxygen to breathe, healthy people have oxygen saturation readings in their pulmonary arteries (PA) of 76%.

In comparison, patients with TGA had almost 100% oxygen saturation in PA. Depending on cardiac output, the normal oxygen saturation on the right side of the heart can range from 65% to 80%. Blood with low oxygen content is pumped from the right ventricle (RV) into the main pulmonary artery (MPA) via the pulmonary valve (PV).

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Answer:

Change occurs in the heredity characteristic of living organism over time.

Explanation:

Change occurs in the heritable characteristics of living organisms with the passage of time is known as evolution. Evolution consist of three basic principles which are variation, heredity, and differential fitness. The organisms evolved with the passage of time due to change in the environmental conditions which able them to survive in that harsh climatic conditions and those which is not evolved can't survive and in the end extinction occur.

Answer:

Frequency: The rate that sound or other waves vibrate at

Frequency: The rate at which something happens

wavelength: wavelength -- the distance (measured in the direction of propagation) between two points in the same phase in consecutive cycles of a wave

wavelength: wavelength -- a shared orientation leading to mutual understanding; "they are on the same wavelength"

energy: Power that makes machinery work

energy: The physical and mental effort used to do things

Electromagnetic energy is a term used to describe all the different kinds of energies released into space by stars such as the Sun. These kinds of energies include some that you will recognize and some that will sound strange. They include: Radio Waves. TV waves.

Reflection: A reflection shows what something is like

Reflection: The image that reflected from or in something

Refraction: refraction -- the change in direction of a propagating wave (light or sound) when passing from one medium to another

Refraction: deflection, deflexion, refraction -- the amount by which a propagating wave is bent

Absorption: absorption, soaking up -- a process in which one substance permeates another; a fluid permeates or is dissolved by a liquid or solid

Absorption: absorption -- the physical process in which incident radiated energy is retained without reflection or transmission

Absorption: concentration, engrossment, absorption -- complete attention; intense mental effort

Absorption: preoccupation, preoccupancy, absorption, engrossment -- the mental state of being preoccupied by something

Absorption: assimilation, absorption -- the absorbing of one cultural group into harmony with another

3 States of Matter: There are three very well-known states of matter: Solids, Liquids, and Gases.

Categories of Biodiversity: Usually three levels of biodiversity are discussed—genetic, species, and ecosystem diversity. Genetic diversity is all the different genes contained in all individual plants, animals, fungi, and microorganisms.

Explanation:

Sorry for being late, I was answering but had to do something.

Answer:

frequency, and wavelength are all properties of sound, and sound is an electromagnetic wave. The electromagnetic spectrum encompasses a continuous range of frequencies or wavelengths of electromagnetic radiation, ranging from long wavelength, low energy radio waves to short wavelength, high frequency, high energy gamma rays.

Answer:

c. 20 amino acids

Explanation:

There are 20 different amino acids that makeup proteins. The four-letter "alphabet" is referring to how DNA and RNA utilize ATCG and AUCG respectfully.  DNA and RNA encode for amino acids that become proteins. Hope this helps :)

Answer:

the digestive process is the process in which food travels down our thorax into our stomach where the acid breaks it down to gather nutrients and what not to fuel our body then the rest is turned into waste.

Explanation:

Answer:

D. Most of the offspring plants will have purple stems, but some will have green stems.

Explanation:

These plants are heterozygous, which means that they have two different alleles of the same gene. One allele, the ANL one, is going to dominate over the other resulting in purple-stemmed plants, which is the color that ANL encodes for.

If we draw a Punnet Square, we can see that the majority of the offsprings will have purple stems, but some of them, the ones that have two recessive alleles, will have green stems.

      ║     ANL    ║    anl

ANL║ANL ANL ║ ANL anl

anl  ║anl ANL    ║anl anl