What do erythrocytes lack in their mature state?

Large macromolecules called nucleic acids are necessary for all organisms and viruses to function. The preservation and expression of genetic data is a key role of nucleic acids.

The information cells require to make proteins is encoded in deoxyribonucleic acid, or DNA. Ribonucleic acid (RNA), a related type of nucleic acid that may take on several molecular structures and function in a variety of biological processes including protein synthesis.

You wouldn't believe how many songs there are about nucleic acids. They have an aesthetic influence. I won't sing any of them, however in chemistry class, I did first learn about nucleic acids through a song. Bases that contain nitrogen, phosphate groups, and sugar molecules make up nucleic acids. Each kind of nucleic acid has a unique structure and functions in our cells in a different way. When scientists first looked at the chemicals that make up a cell's nucleus, they discovered a strange substance that was neither a protein nor a lipid nor a carbohydrate. It was fresh. The eventual discovery of DNA was sparked by the discovery of this molecule, nuclein, which later evolved into nucleic acid.

Learn more about " nucleic acid " to visit here;

https://brainly.com/question/11309892

#SPJ4

Answer:

C.sunflower

Hope this helped!

Answer:

Option C Sunflower is the answer

Explanation:

TERRESTRIAL: Terrestrial refers to things related to land or the planet Earth.

In nature, not all individuals in a biological population has the same reproductive success. Additionally, the reproductive succes of an individual may be related to a heritable trait. Disruptive (natural) selection is operating when indivuals with extreme values for an heritable trait have a greater reproductive succes that the ones with intermediate values for the same trait.

False. The nucleus is an organelle found in both photoautotrophs and heterotrophs, as it is a key component of eukaryotic cells, responsible for housing genetic information.

The difference between photoautotrophs and heterotrophs lies in their methods of obtaining energy, with photoautotrophs using light for energy via photosynthesis, and heterotrophs obtaining energy by consuming other organisms. The nucleus is an organelle found in all eukaryotic cells, including both photoautotrophs and heterotrophs. The nucleus is responsible for containing and protecting the cell's genetic material, and plays a key role in gene expression and cell division. While photoautotrophs use light energy to produce their own food, heterotrophs rely on external sources of organic compounds for energy. Therefore, the presence or absence of a nucleus does not distinguish between photoautotrophs and heterotrophs.

To learn more about photoautotrophs, click here: https://brainly.com/question/13562991

#SPJ11

The probability of having a son with reduced fertility is 1/2, The probability of having a daughter with reduced fertility is also 1/2, the genotypes of the parents are male (Yf/Y) and female (Y/YF).

What is probability?

Assuming the male has the genotype Yf, and the female has the genotype Y/YF (carrying one normal and one mutated Y-chromosome), the Punnett square for their offspring can be constructed:

                  Yf                                Y

YF              YfYF (normal)             YFY (normal)

YF              YfY (reduced)             YY (reduced)

Therefore, the probability of having a son with reduced fertility is 1/2, as there are two possible outcomes for a male child: YfY or YFY. The probability of having a daughter with reduced fertility is also 1/2, as there are two possible outcomes for a female child: YfYF or YfY.

So the genotypes of the parents are male (Yf/Y) and female (Y/YF).

What is genotype?

Genotype refers to the genetic makeup of an organism, which includes all of its inherited genes or alleles. It determines an organism's physical and behavioral traits, as well as its susceptibility to certain diseases or disorders. Genotype is inherited from an organism's parents and is responsible for passing traits from one generation to the next through the process of reproduction. The genotype of an organism can be studied through techniques such as DNA sequencing and genetic testing.

To know more about genotype, visit:

https://brainly.com/question/22940449

#SPJ1

Answer:

Hmm...

Explanation:

Think plants, grass, algae, etc. Base of the food chain.

\( \large{ \underline{ \bf{Primary \: Producers}}}\)

Assuming both genes express complete dominance, 8/16 individuals are expected to be homozygous for one trait and heterozygous for the other trait, 2/16 GGRr, 2/16 GgRR, 2/16 Ggrr, 2/16 ggRr.

Complete dominance is the inheritance pattern in which the dominant allele completely masks the recessive allele.

This is the case, the presence of at least one dominant allele is enought to express the dominant phenotype. This is the case of individuals that are heterozygous for a particular gene and express the dominant trait.

When a cross is done between an individual who is homozygous dominant with an individual who is homozygous recessive, the whole progeny among the first generation -F1- will express the dominant phenotype since they are heterozygous for this trait.

However, if individuals from the F1 are crossed with each other, the second generation -F2- will be composed of individuals expressing the dominant and the recessive phenotypes. This is because some individuals are homozygous recessive and can express the recessive trait.

In the exposed example, let us assume

Cross 1

Parentals) ggRR   x   GGrr

F1) 100% Gg Rr

Cross2

Parentals)  GgRr  x  GgRr

Gametes) GR. Gr. gR. gr

                GR, Gr. gR. gr

Punnett square)       GR        Gr       gR       gr

                   GR      GGRR  GGRr  GgRR  GgRr

                    Gr      GGRr   GGrr    GgRr   Ggrr

                    gR     GgRR   GgRr   ggRR   ggRr

                    gr      GgRR   Ggrr    ggRr    ggrr

F1) Among the offpring we expect to find the following genotypes,

Among the offpring we expect to find the following phenotypes,

8/16 individuals are expected to express a homozygous genotype for one trait and an heterozygous genotype for the other trait

You can learn more about complete dominance at

https://brainly.com/question/1953851

#SPJ1

Answer:

Size and number

Explanation:

Vacuoles are found in both plant and animal cells, and their functions are almost identical. The size and quantity of vacuoles in plant cells differ from those in animal cells. A plant cell will have one giant central vacuole, whereas animal cells would contain many smaller vacuoles.

C. Removing the ruins of deceased neurons. The neurons are supported structurally and with nutrition by glial cells that surround them.

The four basic roles for glial cells seem to be: to wrap neurons & hold him in place, to feed nutrition and water to neurons, to isolate one neuron from the other, and to kill and remove the corpses of deceased neurons (clean up). The neurons are supported structurally and with nutrition by glial cells that surround them. The nerves are membranes that surround the spinal cord and brain. The cerebro - spinal fluid envelops the spinal cord and brain. Glia play a key role in synaptic plasticity & synaptogenesis as well as in the growth of the nervous system. Glia play a part in controlling how quickly injured neurons heal. Glia inhibit repair inside the nervous system (CNS).

Learn more about cell

https://brainly.com/question/30046049

#SPJ4

D)chromosomes contain genes that control the inheritance of traits.

The statements 'chromosomes are made of DNA', 'alleles are the different forms of a gene that can exist' and 'chromosomes contain genes that control the inheritance of traits' are TRUE (Options A, C and D).

Chromosomes are linear fragments of DNA that contain part of the genetic material in eukaryotic organisms.

Alleles are different gene variants. In diploid (2n) organisms, one allele for a given gene locus is inherited from the mother, whereas one allele of the same gene is inherited from the father.

Genes contain the instructions that are inherited across generations in order to synthesize proteins (both structural and enzymatic proteins), which largely determine the phenotypic traits of an organism.

In conclusion, the statements 'chromosomes are made of DNA', 'alleles are the different forms of a gene that can exist' and 'chromosomes contain genes that control the inheritance of traits' are TRUE (Options A, C and D).

Learn more in:

https://brainly.com/question/296477

Answer:

half life and higher affinity

Explanation:

it is because they have long half life in blood and high affinity

Steroid hormone

Learn more:

brainly.com/question/10083019

The statement "La clonación y manipulación genética son dos áreas de la biotecnología que no han generado debate ético, social y político en todo el mundo" is false.

These two areas of biotechnology have generated significant ethical, social, and political debate around the world. This is especially true when it comes to cloning humans or genetically modifying human embryos to create "designer babies."In many countries, the debate over cloning and genetic manipulation centers around the ethical implications of playing God with genetic material. Some worry that these technologies could be used to create "perfect" humans, leading to inequality or discrimination against people who are not genetically engineered.

Others worry that cloning could have unforeseen consequences, such as genetic disorders or shortened lifespans.In conclusion, the statement "La clonación y manipulación genética son dos áreas de la biotecnología que no han generado debate ético, social y político en todo el mundo" is false because cloning and genetic manipulation have generated significant ethical, social, and political debates around the world, especially when it comes to cloning humans or genetically modifying human embryos to create "designer babies."

To know more about genetic  visit:

https://brainly.com/question/9944405

#SPJ11

Temperature can affect the rate of biological processes, with each process having an optimal temperature at which it functions most efficiently. However, temperatures above or below the optimal range can cause a decrease in the rate of these processes.

Additionally, extreme temperatures can denature proteins and other biomolecules, causing irreversible damage. Thus, temperature plays a critical role in determining the overall functioning and survival of organisms.

Temperature affects the functioning of biological processes in multiple ways. For example, low temperatures can cause a decrease in the fluidity of cell membranes, leading to decreased transport of molecules across the membrane. High temperatures can also cause protein denaturation and aggregation, leading to the loss of biological function. Temperature affects metabolic rate, enzyme activity, and other physiological processes, with each organism having an optimal range of temperatures at which these processes function best. Temperature also plays a critical role in the distribution of organisms across different biomes, with organisms adapted to live in specific temperature ranges. Finally, global warming and climate change have significant impacts on temperature, leading to changes in the distribution of organisms, loss of biodiversity, and other ecological and environmental consequences.

To know more about biomolecules

brainly.com/question/28644695

#SPJ11

Answer:The rate of photosynthesis is the dependent and concentration of carbon dioxide is the independent

Explanation:The rate of photosynthesis depends on how much carbon dioxide is being supplied which makes it the dependent variable

The correct components of the electron transport pathway that are associated with Complex III (also known as cytochrome c reductase) are: Cytochrome b, Cytochrome c, and Coenzyme Q (also known as ubiquinone).

Complex III is an integral membrane protein complex located in the inner mitochondrial membrane and plays a key role in electron transport during oxidative phosphorylation, which is the process by which cells generate ATP (adenosine triphosphate) for energy production. Cytochrome b and Coenzyme Q are involved in the transfer of electrons from ubiquinol (reduced form of Coenzyme Q) to cytochrome c, while cytochrome c serves as an intermediate carrier of electrons between Complex III and Complex IV (cytochrome c oxidase) in the electron transport chain. NADH, flavin mononucleotide (FMN), and FADH2 (reduced form of FADH) are associated with Complex I (NADH dehydrogenase) and Complex II (succinate dehydrogenase) of the electron transport pathway, respectively, and not with Complex III.

To know more about cytochrome click here:

brainly.com/question/29989683

#SPJ11

Answer:

What are the choices so that i can answer the question

You would need to combine the genes from 2 different populations. Since lowering the diversity of a population with cause there to be no variation. Which means that then the population cannot evolve in different ways such as to changing environmental factors and can face an extreme risk of extinction. I hope this helped!

Answer: Semi-conservative replication means that during DNA replication, the two strands of nucleotides separate. Both strands then form the template for free nucleotides to bind to to create the two identical daughter strands. Hence each daughter strand has half of the DNA from the original strand and half newly-formed DNA.  brainliest

Explanation:

Answer:

Because of how genes change and how quickly they change, evolution is complicated. At the start of evolution, there shouldn't be a straight tree branch—it should be a twisted mess.

\(\textbf{OAmalOHopeO}\)

The term you are referring to is called "discriminative stimulus" (SD). It is a type of stimulus that signals the availability of reinforcement for a particular behavior. In other words, when the SD is present, it indicates to the organism that performing a specific behavior is likely to result in reinforcement.

A discriminative stimulus is a stimulus that has been consistently present when a behavior has been reinforced, and absent when the behavior has not been reinforced. As a result, the presence of the stimulus discriminates between the availability and unavailability of reinforcement for a particular behavior.

For example, in a laboratory setting, a rat might learn that pressing a lever results in a food reward only when a particular tone (SD) is present. In this case, the tone serves as a discriminative stimulus for the lever-pressing behavior.

When the tone is present, the rat is more likely to perform the lever-pressing behavior because it has learned that reinforcement is available. When the tone is absent, the rat is less likely to perform the lever-pressing behavior because it has learned that reinforcement is unavailable in the absence of the discriminative stimulus.

In summary, a discriminative stimulus is a type of stimulus that signals to an organism the differential availability of reinforcement for a particular behavior. Its presence or absence can evoke or suppress operant behavior, respectively.

For more question on discriminative stimulus click on

https://brainly.com/question/14431962

#SPJ11

In my opinion, a disease that still needs an effective vaccine is malaria. A vaccine for malaria has been a longstanding challenge due to various biological, environmental, and financial factors.

Malaria, caused by Plasmodium parasites transmitted through mosquito bites, poses unique challenges for vaccine development. The complex life cycle of the parasite and its ability to evade the immune system make it difficult to identify effective vaccine targets. Additionally, the genetic diversity of the parasite across different regions adds complexity to vaccine design.

Environmental factors, such as the prevalence of malaria in resource-limited countries with inadequate healthcare infrastructure, pose challenges for conducting large-scale clinical trials and vaccine distribution. Malaria primarily affects populations in low-income countries, making it difficult to allocate sufficient funds and resources for vaccine research and development.

Financial factors play a crucial role in vaccine development. The high costs associated with research, preclinical testing, clinical trials, and regulatory processes often deter pharmaceutical companies from investing in malaria vaccine development, as the potential return on investment may be limited.

Addressing these challenges requires sustained research efforts, collaborations between public and private sectors, and increased funding for malaria vaccine development. Overcoming these hurdles is crucial to developing an effective vaccine that can significantly reduce the burden of malaria worldwide.

learn more about malaria here;

https://brainly.com/question/16601433

#SPJ11

Answer:

kinda blurry so I hope I answered everything correctly!

A. The Linear equation would be x + y = 50

B. Ted spends 35 minutes practicing the breaststroke every day.

Ted spends 50 minutes every day swimming so x +y = 50 (let us say x is butterfly stroke and y is breaststroke). Since he practices the breaststroke for 20 more minutes than the butterfly stroke we have:

2x + 20 = 50

2x = 50 - 20

2x = 30

x  =30 / 2

x  = 15

y = 15 + 20  =35 minutes

C. No, it is not possible for Ted to have spent 45 minutes practicing the butterfly stroke every day because of the time constraint.

Answer:

They are all examples of the four major organic compounds: carbohydrates, lipids, proteins, and nucleic acids.

Explanation:

Answer:

they are complex molecules made from smaller molecules

Explanation:

The correct answer is the letter A) for making amino acids

Plants require nitrates in order for them to make amino acids. Bacteria that are present in the soil convert the nitrogen into ammonium and nitrate, which are taken up by plants through the process of nitrogen fixation.

Answer:

B The two nuclei are formed.

Explanation:

This question is describing the processes involved in MITOSIS, a kind of cellular division. Mitosis, however, takes place in steps

In both anaphase and telophase, the movement of sister chromatids takes place.  

• A phenomenon in which a single cell differentiates into two similar daughter cells is termed as mitosis.  

• Mitosis takes place with precise steps and regulation.  

• The dissolving of the nuclear membrane takes place in the prophase phase of mitosis.  

• The formation of two nuclei takes place at the telophase stage of mitosis.  

• The formation of mitotic spindle takes place at the metaphase stage of the mitosis.  

• In the anaphase, the sister chromatids or the chromosomes are pulled towards the opposite poles, and in telophase the sister chromatids or the chromosomes arrive at the opposite poles, thus, in both anaphase and telophase, the movement of sister chromatids is taking place.  

Thus, the correct answer is option C, that is, the sister chromatids move.  

To know more about:

https://brainly.com/question/12872955

Rebreeding dairy cows is typically done and will be most successful after she has reached peak lactation, option C is correct.

During peak lactation, cows have higher energy requirements, and their reproductive functions may be suppressed. Once a cow has reached peak lactation and her milk production starts to decline, it indicates that her energy balance is improving, and she is more likely to resume normal estrous cycles.

Breeding a cow at the beginning of the dry period is not ideal because she may still be in the recovery phase and not fully prepared for rebreeding. The first sign of estrus can vary among individuals and may not guarantee optimal fertility. Waiting until she has gained a body condition score (BCS) of 4.0 may delay rebreeding unnecessarily, as BCS alone does not reflect the cow's reproductive status, option C is correct.

To learn more about lactation follow the link:

https://brainly.com/question/32369574

#SPJ4

The correct question is:

Rebreeding dairy cows is typically done and will be most successful

A. At beginning of the dry period

B. At the first sign of estrus

C.  After she has reached peak lactation

D. Once she has gained a BCS of 4.0

The ability to nod "yes" is primarily due to the articulation of two bones: the atlas (C1) and the axis (C2). These two bones are part of the vertebral column or spine, specifically the cervical spine.

Articulation refers to the ability to produce clear and precise speech sounds. It involves the coordination and movement of the articulatory organs, such as the lips, tongue, jaw, and vocal cords, to create specific sounds and words. Proper articulation is essential for effective communication, as it allows individuals to be understood by others.

It involves the correct placement and movement of the articulators to form consonant and vowel sounds, as well as the ability to produce speech sounds with appropriate timing and rhythm. Articulation disorders can occur when there are difficulties or impairments in the coordination and execution of these movements, leading to speech sound errors.

To learn more about Articulation visit here:

brainly.com/question/31324676

#SPJ4

In my opinion cardiology is the best course because chances of heart attack are increasing day by day. More number of cardiologists are required for the treatment of all types of heart related diseases like heart attack, heart failure, angina etc.

Cardiology is the branch of medicine that deals with the heart and disorders of the cardiovascular system and includes the medical diagnosis and treatment of congenital heart defects, coronary artery disease, heart failure, valvular heart disease, and electrophysiology.

A cardiologist is a medical doctor who studies and treats diseases and conditions of the cardiovascular system such as the heart and blood vessels including heart rhythm disorders, coronary artery disease, heart attacks, heart defects and infections and related disorders.

When to see a cardiologist - If we see a pattern of heart disease including high cholesterol and high blood pressure. Some action should be taken and examined by a cardiologist.

Thus, in my opinion cardiology is the best course because chances of heart attack are increasing day by day. More number of cardiologists are required for the treatment of all types of heart related diseases like heart attack, heart failure, angina etc.

Learn more about Cardiology, here:

https://brainly.com/question/29063138

#SPJ1