Which bonds maintain the primary structure of a protein?
a. ionic bonds
b. hydrogen bonds
c. peptide bonds
d. disulfide bonds

Answer:

glucagon works to counterbalance the effects of insulin.

Explanation:

when insulin is released, the blood sugar in the body decreases; however, when the blood sugar is low enough, the system instead releases glucagon which breaks down the stored sugar and balances the blood sugar level in the body. if the level goes too high then insulin will be released again.

Answer:

"The damage done by noise depends mainly on how loud it is and on the length of exposure. The frequency or pitch can also have some effect, since high-pitched sounds are more damaging than low-pitched sounds. Noise may tire out the inner ear, causing temporary hearing loss."

The triallelic gene codes for the ABO blood type and its alleles express complete dominance and codominance.

Blood type ABO is determined by a triallelic gene I. Depending on the allelic interaction, this gene can express complete dominance or co-dominance.

IA and IB express complete dominance over i, meaning that the dominant IA and IB alelles hide the expression of the recessive allele i in heterozygous individuals.

Cross:  

Parentals) IAIB   x   ii

Gametes) IA   IB    i   i

Punnett square)    IA       IB

                     i      IAi      IBi

                       i     IAi      IBi

Therefore, The triallelic gene codes for the ABO blood type and its alleles express complete dominance and codominance.

Learn more about gene on:

https://brainly.com/question/787658

#SPJ1

Answer:

Depends on what you are changing.

Explanation:

Protons have a positive (+) charge.

Neutrons have a neutral (0) charge.

Electrons have a negative (-) charge.

Since neutrons only affect atomic mass, we don't need to worry about it changing the charge.

If we had more protons than electrons, then since there are more + charges, the entire atom would be positively charged.

If we had more electrons than protons, then since there are more - charges, the entire atom would be negatively charged.

The sugar group of the deoxyribonucleotide is a ribose. Its carbons are numbered from 1' to 5'. The hydrogen group is found at the 2' carbon of the sugar component. Option D is correct.

Monomers are composed of a sugar molecule, joined with a phosphate group and a nitrogenated base. The sequence of nucleotides joined by their extremes compose the DNA and RNA.  

DNA sugar group is always a pentose that contains deoxyribose, with hydroxyl modifications.

Carbons in the pentose are numbered from 1' to 5'

In a deoxyribonucleotide an hydrogen group is found at the 2' carbon of the sugar component. Option D is correct.

You can learn more about deoxyribonucleotide at

https://brainly.com/question/2941193

https://brainly.com/question/13598114

https://brainly.com/question/6983427

Answer:

The carrying capacity is different for all populations. It can vary from species to species, habitat to habitats and even within the same habitat at different times. ... So depending on the demands of the species the environment can be capable of sustaining different population sizes of different species............... ᐛ

Answer:

Independent Variable: The independent variable in this experiment is the surface that the mealworms crawl on; plastic, paper and cardboard.

Dependent Variable: The dependent variable that we are measuring is the mealworm’s behavior on the materials and the specific material they spend the most time on after 5 minutes.

Hypothesis: We predict that mealworms prefer to crawl on plastic because they could crawl and almost glide smoothly on the surface.

Explanation:

One conclusion which we made from these results is that the mealworms preferred certain materials because it was easier for them to grip their legs onto. The plastic for example was found to be too smooth for the mealworm to crawl on, making it hard to grip their legs onto it. Smooth surfaces like plastic meant less friction to help the mealworm crawl along.

Answer:

1.) Mitosis and Meiosis

2.) A chromosome consists of two sister chromatids, each made up of tightly wound DNA. On these DNA strands are genes, which are specific sequences of nucleotides.

3.) It is important that the DNA is fully copied before the cell divides because cells always need DNA. If the DNA is not copied, one of the new daughters cells would not contain any DNA. Without DNA, the cell will no longer have the instructions necessary to perform its normal functioning.

Beta sheets typically contain between 2 and 10 polypeptide chains, with 5 being the most common number. 22 polypeptide chains would be too many to fit into a beta sheet. The correct option is D.

A beta sheet is a common motif of the regular protein secondary structure. Beta sheets consist of beta strands (β-strands) connected laterally by at least two or three backbone hydrogen bonds, forming a generally twisted, pleated sheet.

A β-strand is a stretch of polypeptide chain typically 3 to 10 amino acids long with backbone in an extended conformation. The supramolecular association of β-sheets has been implicated in the formation of the fibrils and protein aggregates observed in amyloidosis, notably Alzheimer's disease.

β-sheets can be open, meaning that they have two edge strands (as in the flavodoxin fold or the immunoglobulin fold) or they can be closed β-barrels (such as the TIM barrel).

β-Barrels are often described by their stagger or shear. Some open β-sheets are very curved and fold over on themselves (as in the SH3 domain) or form horseshoe shapes (as in the ribonuclease inhibitor).

Open β-sheets can assemble face-to-face (such as the β-propeller domain or immunoglobulin fold) or edge-to-edge, forming one big β-sheet.

Therefore, the correct option is D, the sheets contain as few as two and as many as 22 polypeptide chains.

To know more about Beta sheets, refer here:

https://brainly.com/question/31600801#

#SPJ11

Due to the circular DNA's three recognition sites for restriction enzymes, three DNA fragments will be produced upon cleavage. Five fragments would be created if a restriction enzyme was used to break down a linear DNA molecule at four different recognition sites.

As a result, the enzyme treatment of this DNA results in the formation of 11 fragments, each with a distinct length and nucleotide sequence. It is possible to isolate these pieces from one another and identify their respective sequences. Five fragments would be created if a restriction enzyme was used to break down a linear DNA molecule at four different recognition sites. IV. Seven fragments would be created if a closed circular DNA molecule was digested with a restriction enzyme at six recognition sites.

To know  more about DNA fragments, click here:

https://brainly.com/question/15093255

#SPJ4

Answer:

carnivorous.

hope it helps

thanks

Answer:

The cell theory

Answer:

I believe the answer is mRNA

Explanation:

Answer:

Messenger RNA (mRNA)

Explanation:

The mRNA is the only form of RNA that is deemed the "messenger," and "carries" the DNA instructions to the cytoplasm

Answer:

False

Explanation:

Ecosystem-based management is an approach that takes into consideration the entire ecosystem and its interconnected components when making decisions about natural resource use. It can help advance sustainable natural resources use in Guyana by promoting a holistic and integrated approach to conservation and management.

To develop a plan for the conservation of natural resources in Guyana using ecosystem-based management, the following steps can be taken:

1. Identify and understand the ecosystems: Conduct comprehensive assessments to identify and understand the various ecosystems present in Guyana, such as forests, wetlands, rivers, and coastal areas. This will provide insights into the biodiversity, ecological processes, and services these ecosystems offer.

2. Assess the state of the resources: Evaluate the current status and trends of natural resources in Guyana, including flora, fauna, water bodies, and minerals. This assessment will help identify vulnerable or endangered species, areas of high biodiversity, and potential threats.

3. Establish conservation goals and objectives: Define specific conservation goals and objectives based on the assessments conducted. These goals should consider the need to protect biodiversity, maintain ecosystem services, and support sustainable livelihoods for local communities.

4. Engage stakeholders: Involve relevant stakeholders, including government agencies, local communities, indigenous groups, NGOs, and scientific experts. Encourage their active participation in decision-making processes to ensure diverse perspectives are considered.

5. Develop management strategies: Based on the conservation goals and stakeholder input, develop management strategies that integrate the principles of ecosystem-based management. These strategies should focus on protecting key habitats, managing land and water resources sustainably, and minimizing impacts from activities such as mining, logging, and agriculture.

6. Implement and monitor: Put the management strategies into action, ensuring proper enforcement of regulations and policies. Regularly monitor and evaluate the effectiveness of the implemented strategies to identify any necessary adjustments or improvements.

7. Promote education and awareness: Raise awareness among the public and stakeholders about the importance of ecosystem-based management and sustainable natural resource use. Promote education and capacity-building initiatives to empower local communities to actively participate in conservation efforts.

By adopting ecosystem-based management, Guyana can enhance the sustainable use of its natural resources while safeguarding its unique ecosystems and supporting the well-being of its people.

Learn more about Ecosystem-based management here:-

https://brainly.com/question/26894373

#SPJ11

A homeowner gathers up branches and trimmings and puts them in bags to be collected. This type of waste accounts for approximately Option B. Between 10-15% of the MSW stream.

When a homeowner gathers branches and trimmings and puts them in bags for collection, this waste is classified as yard waste or green waste. Yard waste typically includes materials such as grass clippings, leaves, branches, and other organic debris from landscaping and gardening activities.

In the municipal solid waste stream, which refers to the total waste generated by households, businesses, and institutions, yard waste accounts for approximately 10-15% of the total composition. This percentage can vary depending on factors such as regional differences, seasonal variations, and local waste management practices.

The majority of the municipal solid waste stream comprises other types of waste, including paper, plastics, metals, glass, and food waste. These materials often make up a larger portion due to their widespread use in daily life and packaging.

To manage yard waste effectively, many communities have implemented separate collection programs. These programs aim to divert yard waste from the general waste stream and promote proper handling and recycling. Collected yard waste is often composted or used for mulching, providing beneficial applications for landscaping and soil enrichment.

By recognizing the proportion of yard waste in the overall municipal solid waste stream, communities can develop targeted waste management strategies that promote recycling, composting, and sustainable practices to reduce the environmental impact of waste disposal. Therefore, Option B is Correct.

The question was Incomplete, Find the full content below:

A homeowner gathers up branches and trimmings and puts them in bags to be collected. This type of waste accounts for approximately what percent of the municipal solid waste stream?

A. Exactly 50% of MSW

B. Between 10-15% of MSW

C. About 5% of MSW

D. Over 95% of MSW

Know more about MSW here:

https://brainly.com/question/14665319

#SPJ8

Answer:

Natural:

change of seasons.

formation of clouds.

weathering of rocks.

ripening of fruits.

beating of the heart.

By us:

burning of oil.

weaving of cloth.

cooking of food.

construction works

fu****

The components of the previous molecule that will also be found in mRNA in the cytosol are: 5' UTR, E1, E2, E3, E4, and 3' UTR.

The given molecule represents a model of a eukaryotic transcript, which includes different regions involved in gene expression. To determine which components will also be found in mRNA in the cytosol, we need to identify the regions that are present in mature mRNA after processing.

In eukaryotic gene expression, the pre-mRNA undergoes several processing steps, including the removal of introns (I1, I2, I3) and the addition of a 5' cap and a poly-A tail. After processing, the mature mRNA is exported from the nucleus to the cytosol, where it serves as a template for protein synthesis.

Among the given options, option C (5' UTR E1 E2 E3 E4 UTR 3') correctly represents the components of the molecule that will also be found in mRNA in the cytosol. The 5' UTR (5' untranslated region), E1, E2, E3, E4 (exons), and 3' UTR (3' untranslated region) are all retained in the mature mRNA and are present in the cytosol. These regions play important roles in translation initiation, stability, and regulation of mRNA.

Therefore, option C (5' UTR E1 E2 E3 E4 UTR 3') is the correct answer, representing the components of the molecule that will also be found in mRNA in the cytosol.

Learn more about cytosol here:

https://brainly.com/question/29435961

#SPJ11

Answer:

Believe it or not mammals like seals and pinnipeds otters and polar bears can but underwater animals hear very poorly

Explanation:

Answer:

neutral

hydroxide

a) hydronium

hydroxide

b) Hydroxide

hydronium

pH

14

a) neutral

acidic

basic

b) pH

tenfold

1) indicator

2)indicator

solution

pH

3) meter

..............BRAINLIST. ........... :)

Henrietta Lacks was an African American woman whose cervical cancer cells were taken without her knowledge or consent in 1951. These cells, known as HeLa cells, were the first human cells to be successfully cultured in the laboratory and have since played a crucial role in medical research.

The unauthorized taking of Henrietta Lacks' cells raises ethical questions regarding informed consent and patient rights. At that time, the concept of informed consent was not well-established, and medical researchers often did not seek permission from patients to use their cells or tissues for research purposes.

The story of Henrietta Lacks and the unauthorized use of her cells came to public attention many years later, sparking discussions

To know more about the cells, click here;

https://brainly.com/question/19853211

#SPJ11

Answer:

jjggbhfhhgdhbhhhbhbnm

Answer:

external, cold blooded

Explanation:

Answer:

d

Explanation:

At 12 hours, there are 120 strands of bacteria present.

The population of bacteria can be modeled using the equation P(t) = \(15(2)^(t/4)\), where P(t) represents the number of strands of bacteria at time t in hours.

To find the number of strands of bacteria at 12 hours, we substitute t = 12 into the equation:

P(12) = \(15(2)^(12/4)\)

P(12) = \(15(2)^3\)

P(12) = 15(8)

P(12) = 120

Therefore, at 12 hours, there are 120 strands of bacteria present.

It's important to note that the given population model assumes exponential growth, where the number of strands doubles every 4 hours. Starting with an initial population of 15 strands, the exponent in the equation (t/4) represents the number of doubling periods that have occurred. Each doubling period corresponds to 4 hours of time.

In this case, at 12 hours, three doubling periods have occurred (12/4 = 3). Starting with the initial 15 strands, each doubling period doubles the population, resulting in a final count of 15 * \(2^3\) = 120 strands of bacteria at 12 hours.

To know more about bacteria refer here:

https://brainly.com/question/31495409#

#SPJ11

Aerobic respiration involves the reaction of oxidation which involves the acceptance of electrons when the molecular oxygen reacts with protons to form water molecules. Thus, the correct option is A.

Aerobic respiration is the chemical process in which molecular oxygen is used to make the energy in the form of ATP from carbohydrates. It is also called as aerobic metabolism, and oxidative metabolism.

Aerobic organisms can use molecular oxygen (O₂) to generate energy in the form of adenine triphosphate (ATP). The role of molecular oxygen in the process of cellular respiration is to act as the end acceptor of electron. As the electrons are dropped off at the inner mitochondrial membrane during the process of cellular respiration, they travel through the electron transport chain and  are finally accepted by the molecular oxygen to form water.

Therefore, the correct option is A.

Learn more about Aerobic respiration here:

https://brainly.com/question/12605249

#SPJ6

Answer:

Tests can be biased in terms of impact (how they are used) and statistically. Tests can be biased if they treat groups unfairly or discriminate against diverse groups by, for example, “underestimating their potential or over-pathologizing their symptoms”

Explanation:

Answer:

Tests can be biased if they treat groups unfairly or discriminate against different groups

Explanation:

Answer: The nucleus is the largest and most prominent of a cell's organelles (Figure 3.7). The nucleus is generally considered the control center of the cell because it stores all of the genetic instructions for manufacturing proteins.

Explanation: Plz can I have brainlest.

Answer: heres the answer....

Explanation: