Which of the following correctly summarizes the process of photosynthesis? B.2.4 *

H2O + CO2 yields sugars + O2
sugars + O2 yields H2O + CO2
H2O + O2 yields sugars + CO2
sugars + CO2 yields H2O + O2

The probability of two human parents producing a female child is 1/2; option B.

The probability of two human parents producing a female child can be determined using the product rule.

The X chromosome determines that a child is a female whereas the Y chromosome determines that a child is male.

the mother has two X chromosomes; XX

the father has one X chromosome and one Y chromosome; XY

the probability that the mother contributes X = 1

the probability that the father contributes X = 1/2

The probability that the parents will have a female child = 1 * 1/2

The probability that the parents will have a female child = 1/2

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Genes are DNA fragments and code for characteristics. There are different forms of one gene, which are the alleles. Each allele codes for a trait. C) Alleles are distinct versions of genes, and they code for traits, which are distinct forms of characteristics.

Genes are the hereditable DNA fragments that transmit the information needed to specify traits. This information passes from parents to offspring, generation to generation.

Genes are physically placed and arranged in the chromosomes. Each chromosome contains too many genes that might vary in length.

Alleles are the variants of the same gene. They code for the same feature but different trait. For instance, one diallelic gene might code for coat color. One of the alleles codes for black color, while the other allele codes for brown color. Both alleles determine color, but express different color.

So, to answer the question, alleles code for different traits.

Option C is correct.

Alleles are distinct versions of genes, and they code for traits, which are distinct forms of characteristics.

In our example,

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3. (a) The buildup of lactic acid in her muscles may be the source of the pain in her legs.

(b) The massage relieved her because it increases blood circulation, which increases oxygen supply to the muscle cells and aids in the complete breakdown of lactic acid into CO and water.

4. The athlete's body requires extra oxygen as he runs in the race. So that the body may receive more oxygen, its breathing rate quickens.

What is breathing?

The act of breathing, also known as ventilation, involves moving air into and out of the lungs in order to facilitate gas exchange with the body's internal environment, primarily to expel carbon dioxide and draw in oxygen. These gases are moved to and from the cells by the circulatory system of the body, where "cellular respiration" occurs. Lactic acid is produced when muscle cells respire anaerobically during strenuous exercise, jogging, etc.

Hence, the buildup of lactic acid in her muscles may be the source of the pain in her legs, massage relieved her because it increases blood circulation, and an athlete's body requires extra oxygen as he runs in the race so he's breathing faster.

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When demographers attempt to forecast changes in the size of a population, they typically focus on four main factors: fertility rates, mortality rates (life expectancy), the initial age profile of the population (whether it is relatively old or relatively young, to begin with) and migration.

Answer: C  chylomicrons  appear in the blood

Explanation:

i hope this helps out

The gram-stained cells that are purple bacilli and they are endospore-positive as well as obligately anaerobic could be: Clostridium.

Obligate anaerobes are the organisms that can live only in the environments that lack of oxygen. In the presence of atmospheric oxygen, these organisms die out. There is certain level of oxygen tolerance that differs from species to species. The examples include: Actinomyces, Bacteroides,, etc.

Clostridium are the species of gram-positive endospore forming bacteria. These are the most common causes for food poisoning. These bacteria are found in soil and the intestine of humans and cattle. They can also cause diseases like gas gangrene, tetanus, botulism, etc.

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During prophase, the parent cell will have 48 chromatids. This is because during interphase, the DNA replicates, resulting in each chromosome consisting of two sister chromatids.

Therefore, if the parent cell has 24 chromosomes, it will have a total of 48 chromatids during prophase.

Regarding the major difference between plant cells and animal cells, the most accurate statement is: "Only plant cells have a cell wall." Plant cells have a rigid cell wall made of cellulose, which provides structural support and protection to the cell. Animal cells, on the other hand, do not have a cell wall. Hence option D is correct.

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The valid kinase catalyzed reactions are:

a) ATP + GDP → ADP + GTP

c) ADP + CMP → AMP + CDP

d) AMP + ATP → 2 ADP

These are valid kinase-catalyzed reactions because in each case, a phosphoryl group is transferred from a nucleoside triphosphate (either ATP or GTP) to a different nucleotide (either GDP, CMP, or AMP).

Reaction b) AMP + GMP → AMP + GTP is not a valid kinase-catalyzed reaction because there is no net transfer of a phosphoryl group. In this reaction, AMP and GMP simply exchange their nucleotide bases, but the total number of phosphoryl groups remains the same.

Kinases are important enzymes in many biological processes, including cell signaling and metabolism, and they play a key role in regulating cellular activity. By transferring phosphoryl groups to specific proteins and other molecules, kinases can activate or deactivate them, leading to a variety of cellular responses.

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The life cycle of a human begins with the production of gametes by meiosis and the consecutive growth of the organism because of mitosis.

Meiosis is a cell division process that occurs in sexually reproducing organisms. It occurs in the reproductive organs of animals, the ovaries in females and the testes in males, and in the reproductive structures of plants. Meiosis is a process that reduces the number of chromosomes in a cell by half in preparation for fertilization.

Mitosis is the process by which a cell divides to produce two identical daughter cells. Mitosis is a fundamental process in the growth and development of multicellular organisms. During mitosis, the cell's nucleus divides, and the chromosomes are separated into two identical sets of chromosomes, each in its own nucleus. Mitosis plays a significant role in the growth and development of multicellular organisms.

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Explanation:

The embryos being used in embryonic stem cell research come from eggs that were fertilized at in vitro fertilization clinics but never implanted in a woman's uterus. The stem cells are donated with informed consent from donor

Answer: Embryos.

Explanation:

The embryonic stem cells used in research today come from unused embryos. These result from an in vitro fertilization procedure. They are donated to science. These embryonic stem cells are pluripotent.

Answer:

Some incident white light is absorbed, and some is reflected.

The statement that best describes why the object appears white is some incident white light is absorbed, and some is reflected. Option C is correct.

When white light shines on an object, some of the light is absorbed by the object and some of the light is reflected. The color that we see is determined by the wavelengths of light that are reflected. If all of the wavelengths of light are reflected, then the object will appear white.

For example, a white piece of paper reflects all of the wavelengths of light that make up white light. This is why we see the paper as white. On the other hand, a black object absorbs all of the wavelengths of light that make up white light. This is why we see the object as black.

In between white and black, there are all sorts of other colors. The color of an object depends on which wavelengths of light are absorbed and which wavelengths of light are reflected. Option C is correct.

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Answer:

i cant read it sorry

Explanation:

Answer:

A

Explanation:

The other answers are weird.

Answer:

If a cell has an error in its DNA that cannot be repaired, it may undergo self-destruction (apoptosis ). ... Disruption of normal regulation of the cell cycle can lead to diseases such as cancer.

Hope this helps!!!!!!

Answer:

D. to remove a host cell's DNA

Explanation:

I hope that this helped you :D

Answer:

I got it right... this is a first choice D) to remove a host cell's DNA

Explanation:

thank you!

give me a mark for brainly

As the skateboarder moves, several energy transformations take place within their body. Some of the energy transformations include:

1. Chemical energy to kinetic energy: When the skateboarder pushes off the ground, the energy stored in the chemical bonds of their muscles is converted into kinetic energy, which is responsible for their motion.

2. Kinetic energy to gravitational potential energy: As the skateboarder moves up a ramp, their kinetic energy is converted into gravitational potential energy.

3. Gravitational potential energy to kinetic energy: When the skateboarder moves down the ramp, the gravitational potential energy is converted back into kinetic energy.

4. Kinetic energy to thermal energy: As the skateboarder moves, they also experience frictional forces which convert some of their kinetic energy into thermal energy.

5. Chemical energy to thermal energy: The continuous movement of the skateboarder requires the energy stored in their muscles to be converted into thermal energy, which is released as heat.

I hope that the assistance I provided was helpful.

The motion of the skateboarder is powered by energy transformations that occur within their body. As the skateboarder moves, their body converts stored chemical energy (from food) into kinetic energy, which is the energy of motion. This conversion happens through a series of complex biochemical processes that occur within the skateboarder's muscles.

When the skateboarder pushes off the ground, their leg muscles contract, converting chemical energy stored in the form of ATP (adenosine triphosphate) into kinetic energy as the legs move and the skateboarder accelerates. As the skateboarder continues to move, the muscles in their body work together to maintain balance and control, converting chemical energy into kinetic energy and potential energy as the skateboarder jumps, turns, and performs tricks.

Additionally, the skateboarder's body also experiences other forms of energy transformation during this process. For example, as the skateboarder moves, their body generates heat through metabolic processes, which is a form of thermal energy. The skateboarder also loses energy through friction with the ground and air resistance, which is converted into heat and sound energy.

In summary, the motion of the skateboarder is powered by a series of complex energy transformations that occur within their body. These transformations involve the conversion of stored chemical energy into kinetic and potential energy, as well as the generation of heat and sound energy through friction and air resistance.

The cells that are the least limited in differentiation are D) somatic stem cells.

Oligopotent Cells, the subsequent kind of stem cells, oligopotent cells, are similar to the prior class (multipotent stem cells), but they come to be similarly confined in their capability to differentiate. Even as those cells can self-renew and differentiate, they are able to most effectively achieve this to a restricted quantity.

Stem cells exist both in embryos and personal cells. There are numerous steps of specialization. Developmental efficiency is reduced with every step, because of this that a unipotent stem cell is not able to distinguish into as many styles of cells as a pluripotent one

Which are generally progenitor cells that are able to differentiate into only a confined variety of cellular sorts. Somatic cells which include neural, bone marrow-derived, or hematopoietic stem cells (HSCs) fall into this class.

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Answer:

I think it's Simple Diffusion

Explanation:

Simple Diffusion Across the Cell (Plasma) Membrane: The structure of the lipid bilayer allows small, uncharged substances such as oxygen and carbon dioxide, and hydrophobic molecules such as lipids, to pass through the cell membrane, down their concentration gradient, by simple diffusion.

Answer:

Reproduction is the manufacturing of offspring. There are  primary forms: sexual and asexual reproduction. In sexual reproduction, an organism combines the genetic statistics from each of its mother and father and is genetically unique. In asexual reproduction, one parent copies itself to shape a genetically same offspring.

Explanation:

Make sure to rewrite it in your own words, don't get caught cheating (for those who are.)

Some species boast armature such as thorns, or spines that ward off slavering herbivores. Some are loaded with poisons to sicken or kill them. And while tomatoes may not be able to scream, as L. Ron Hubbard once claimed, some plants do emit compounds that warn their compatriots of approaching threats: the botanical equivalent of a smoke signal.

Answer:

the answer is epidemic.

epidemic is smaller than pandemic

That molecule is called "DNA". It is the information that holds family history of any living species on earth and has the ability to give unique features and properties such as facial features, body features, etc.

Answer:

A, Mitochondria

Explanation:

Answer:

I would say d. Electrons move quickly around the nucleus in an atom.

Explanation:

Answer:

solid rock it may be correct i guess

Answer:

clay is the least

soil is porous not so much permeable

sand is porous and permeable

but gravel is the highest

Answer:

Occurrence and properties. At 46 percent of the mass, oxygen is the most plentiful element in Earth's crust.

Atomic weight: 15.9994

Electron config: 1s22s22p4

Explanation:

Transient psychotic symptoms that occur with borderline personality disorder are most likely treated with antipsychotics.

What are Transient psychotic?

One or more of the following psychotic symptoms may appear with an acute but temporary condition called psychotic disorder:

Hence, Transient psychotic symptoms that occur with borderline personality disorder are most likely treated with antipsychotics.

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