Help pls ;w; bio really sucks for me idk why

Answer:

-half 4 y? 2 y minus 5 x minus one-half 2 y 2 x Negative 2 x minus one-half 6 y 3 x Negative 3 x minus three-fourths 4 y one-fourth Negative

Answer:

Moving Against a Gradient

Explanation:

To move substances against a concentration (or electrochemical gradient), the cell must use energy. The energy is gathered from adenosine triphosphate (ATP) generated through the cell's metabolism. Active transport mechanisms, called pumps, work against electrochemical gradients. Hope this helps!

Answer:

Photosynthesis happens when water is absorbed by the roots of green plants and is carried to the leaves by the xylem, and carbon dioxide is obtained from air that enters the leaves through the stomata and diffuses to the cells containing chlorophyll.

Explanation:

:)

Photosynthesis happens when water is absorbed by the roots of green plants and is carried to the leaves by the xylem, and carbon dioxide is enters the leaves through the stomata and diffuses.

The organelles called chloroplasts allow plants to capture the energy of the Sun in energy-rich molecules, cell walls allow plants to have rigid structures.

Thus, photosynthesis occur in the chloroplast.

To learn more about chloroplast click here:

https://brainly.com/question/11136550

Answer:

The correct answer is -

11. b. somatic cell and sex cell of the same organism.

12. d. all the genetic characters will change.

Explanation:

11. the given diagram represents two types of cells of an organism cell I is the somatic cell as it has two sets of chromosomes or diploid chromosome number whereas cell II is a sex cell such as gametes (egg or sperm) has one set of chromosomes or a haploid number of chromosomes.

12. if there is a change in a nucleotide sequence of DNA of a certain gene takes place then there will be minor or major changes occur in the result of the protein as DNA makes codes of mRNA that code for the specific protein that result in specific gene expression or character. There would be only one character that will change as the change occur only a certain gene.

Another name for the evolutionary force called gene flow is Admixture.

Learn more about gene flow here:

https://brainly.com/question/12564073

#SPJ4

Answer:

A. It would contaminate the land and water with dangerous poisons

Explanation:

Putting medical and chemical waste into landfills has extremely dangerous consequences to the environment and public health.

If they were put into landfills, these toxic wastes would leech into the soil and groundwater below them.

These toxins can accumulate over time, and harm plants and animals.

Humans may also absorb these toxic chemicals.

So, the correct answer is A. It would contaminate the land and water with dangerous poisons

Answer:

A

Explanation:

The water and land will become contaminated which will harm or endanger all the living organisms and us humans around it. Because they use the water and land source.

The stress theory and aging is not entirely accurate. The stress theory of aging suggests that exposure to chronic stress over time can contribute to the deterioration of certain internal body systems, leading to an increased vulnerability to stress and disease.

It is important to note that aging itself is a complex process influenced by various genetic, environmental, and lifestyle factors.

While it is true that certain internal body systems may experience changes and decline with age, it is not solely attributed to the wearing down of these systems. Aging involves a multifaceted interplay of physiological, cellular, and molecular changes that can affect the functioning of different organs and systems in the body.

Factors such as genetic predisposition, lifestyle choices, cumulative exposure to environmental factors, and overall health status all contribute to the aging process and the development of age-related diseases. Additionally, stress can have various effects on the body, including physiological and psychological responses, but it is not the sole determinant of the aging process.

Learn more about stress theory here:

https://brainly.com/question/11001921

#SPJ11

Answer:

So where does the mass come from? The mass of a tree is primarily carbon. The carbon comes from carbon dioxide used during photosynthesis. During photosynthesis, plants convert the sun's energy into chemical energy which is captured within the bonds of carbon molecules built from atmospheric carbon dioxide and water.

Explanation:

Hope it helps! Correct me if I am wrong :>

Im sure about my answer :>

If you dont mind can you please mark me as brainlest?

Answer:

1) CO₂ :-

Breaking down the masses :-

What's the sum :-

Mass of C + 2(Mass of O)

⇒ 12u + 2×16u

Relative Formula Mass :-

12u + 2×16u

⇒ 12u + 32u

⇒ 44u

__________________________________________________________

2) CH₄ :-

Breaking down the masses :-

What's the sum :-

Mass of C + 4(Mass of H)

⇒ 12u + 4×1u

Relative Formula Mass :-

12u + 4×1u

⇒ 12u + 4u

⇒ 16u

__________________________________________________________

3) NH₃ :-

Breaking down the masses :-

What's the sum :-

Mass of N + 3(Mass of H)

⇒ 14u + 3×1u

Relative Formula Mass :-

14u + 3×1u

⇒ 14u + 3u

⇒ 17u

__________________________________________________________

4) SO₂ :-

Breaking down the masses :-

What's the sum :-

Mass of S + 2(Mass of O)

⇒ 32u + 2×16u

Relative Formula Mass :-

32u + 2×16u

⇒ 32u + 32u

⇒ 64u

_________________________________________________________

5) CaCO₃ :-

Breaking down the masses :-

What's the sum :-

Mass of Ca + Mass of C + 3(Mass of O)

⇒ 40u + 12u + 3×16u

Relative Formula Mass :-

40u + 12u + 3×16u

⇒ 40u + 12u + 48u

⇒ 100u

_________________________________________________________

6) H₂O :-

Breaking down the masses :-

What's the sum :-

2(Mass of H) + Mass of O

⇒ 2×1u + 16u

Relative Formula Mass :-

2×1u + 16u

⇒ 2u + 16u

⇒ 18u

_________________________________________________________

7)  NaCl :-

Breaking down the masses :-

What's the sum :-

Mass of Na + Mass of Cl

⇒ 23u + 35.5u

Relative Formula Mass :-

23u + 35.5u

⇒ 58.5u

_________________________________________________________

8) C₂H₆ :-

Breaking down the masses :-

What's the sum :-

2(Mass of C) + 6(Mass of H)

⇒ 2×12u + 6×1u

Relative Formula Mass :-

2×12u + 6×1u

⇒ 24u + 6u

⇒ 30u

_________________________________________________________

9) LiOH :-

Breaking down the masses :-

What's the sum :-

Mass of Li + Mass of O + Mass of H

⇒ 6u + 16u + 1u

Relative Formula Mass :-

6u + 16u + 1u

⇒ 23u

_________________________________________________________

10) H₂SO₄ :-

Breaking down the masses :-

What's the sum :-

2(Mass of H) + Mass of S + 4(Mass of O)

⇒ 2×1u + 32u + 4×16u

Relative Formula Mass :-

2×1u + 32u + 4×16u

⇒ 2u + 32u + 64u

⇒ 98u

1. True 2. True 3. Scientific investigation is characterized by a good theoretical base and a sound methodological design. These characteristics are both related to the  Option a. Rigor

True - A critical review of the literature is necessary in nearly all research projects. It helps researchers understand the existing knowledge and gaps in the field, identify relevant theories and methodologies, and build upon previous studies.

True - Objectivity and parsimony are both related to the rigor of an investigation. Objectivity refers to the impartiality and lack of bias in conducting and interpreting the research, while parsimony refers to the principle of simplicity in explaining phenomena or choosing the most straightforward explanation. Both objectivity and parsimony contribute to the rigor of a scientific investigation.

a. Rigor - Scientific investigation is characterized by a good theoretical base and a sound methodological design. These characteristics are both related to the rigor of the investigation. Rigor refers to the thoroughness, precision, and reliability of the research process, including the theoretical underpinnings and the robustness of the methods employed.

To know more about Scientific investigation follow the link:

https://brainly.com/question/12877465

#SPJ4

The correct question is:

1. A critical review of the literature is necessary in nearly all research projects.

True

False

2. Objectivity and parsimony are both related to the rigor of an investigation?

True

False

3. Scientific investigation is characterized by a good theoretical base and a sound methodological design. These characteristics are both related to the of the investigation What must be filled on the line?

a. Rigor

b. Precision and confidence.

c. Objectivity

d. Parsimony..

The exception among the given hormones that are produced by the placenta is LH (luteinizing hormone).

Among the hormones listed, LH (luteinizing hormone) is the exception as it is not produced by the placenta. The placenta, which is an organ that develops during pregnancy, plays a crucial role in hormone production to support the growth and development of the fetus.

It produces several hormones, including human placental lactogen (hPL), progesterone, human chorionic gonadotropin (hCG), and relaxin. These hormones are involved in maintaining pregnancy, regulating fetal growth, and preparing the body for childbirth.

LH, on the other hand, is a hormone primarily produced by the pituitary gland in both males and females. In females, LH plays a key role in the menstrual cycle, triggering ovulation and stimulating the production of progesterone by the ovaries. While the placenta produces various hormones necessary for a healthy pregnancy, LH production remains primarily in the domain of the pituitary gland rather than the placenta.

Learn more about LH here:

https://brainly.com/question/32509572

#SPJ11

Answer:

Circulatory system

Explanation:

Answer:

Circulatory system

Explanation:

Because Respiratory system gets you oxygen but the Circulatory system gets the oxygen to the cells.

Hope this helps

Answer:

medical professionals should prepare for a backup plan i.e they should Always have other antibiotics in store

personal Blog

Explanation:

hope this helps you

A monohybrid cross occurs when fertilization takes place between two true-breeding parents that only differ in one trait, and the offspring are monohybrids as a result.

To know more about breeding check the below link:

https://brainly.com/question/26407752

#SPJ4

The soil structure resulting from the castings of earthworms improves the infiltration and aeration of soil.

Soil fragments are transformed into water-resistant aggregates by earthworm casts. A balance between elements like organic additions, soil microbes, fauna, and disruptive elements like bioturbation and culture can be seen in the size, quantity, and stability of soil aggregates.

Earthworms produce worm castings, an organic fertilizer. Simply put, worm castings manure, commonly referred to as vermicast is earthworm excrement. These animals eat compost, thus their fecal matter is a great soil enricher.

Learn more about Soil and Earthworm:

https://brainly.com/question/30042424

#SPJ4

The correct option is C: The concentration at which dsDNA will have the highest Tm is 100 mM.

Out of the given options, the concentration at which double-stranded DNA (dsDNA) will have the highest melting temperature (Tm) is 100 mM. Tm is the temperature at which half of the DNA strands in a double helix become denatured or separated.

It is influenced by factors such as DNA sequence, length, and ionic conditions, including the concentration of ions in the solution. In general, increasing the concentration of salt ions, such as potassium or magnesium, can stabilize the double helix and raise the Tm.

In this context, a concentration of 100 mM is likely to provide an optimal ionic environment for maintaining the stability of dsDNA, resulting in a higher Tm compared to lower or higher concentrations. It is important to note that the Tm can vary based on the specific DNA sequence and experimental conditions.

Learn more about concentration

brainly.com/question/3045247

#SPJ11

Answer:

Mendel called the visible form the dominant trait and the hidden form the recessive trait. In the second generation, after plants were allowed to self-fertilize (pollinate themselves), the hidden form of the trait reappeared in a minority of the plants.

Out of the options provided, the laboratory analysis that would detect the largest number of different kinds of microorganisms is metagenomic sequencing or shotgun metagenomics.

Metagenomic sequencing is a technique used to study genetic material directly obtained from environmental samples, such as soil, water, or human/animal body sites.

By sequencing the DNA or RNA extracted from a sample, metagenomics can identify and characterize the genetic material of all microorganisms present in that sample, including bacteria, viruses, fungi, archaea, and other organisms. This approach provides a comprehensive snapshot of the microbial community, allowing for the detection of a wide range of microorganisms and the potential discovery of novel species.

Other laboratory analyses, such as culture-based methods or targeted PCR assays, are more specific and may only detect particular groups of microorganisms based on the growth conditions or the targeted genes they utilize. In contrast, metagenomic sequencing offers a broader and more unbiased approach for microbial community analysis.

know more about Metagenomic sequencing here

https://brainly.com/question/26662558#

#SPJ11

Answer:

mouth--esophagus--stomach--small intestine---large intestine---rectum

Explanation:

Few tips for pooping effectively in toilet are relaxing, having adequate time, siting in correct posture, using gravity. Also making sure to intake fiber rich food, while staying hydrated in the key.

To poop effectively in the toilet, follow these tips:

1. Relax: Find a comfortable position and relax your body. Stress or tension can make it difficult to have a bowel movement.

2. Adequate time: Allow yourself enough time in the bathroom. Rushing can interfere with the natural process.

3. Correct posture: Sit on the toilet with your feet flat on the floor or a footstool, slightly elevating your knees. This position mimics a squatting posture, which can help align the rectum for easier elimination.

4. Use gravity: Allow gravity to assist you by leaning slightly forward or placing your hands on your knees. This position helps to straighten the rectum, facilitating the passage of stool.

5. Don't strain: Avoid excessive straining or holding your breath, as it can lead to unnecessary pressure and make elimination difficult.

7. Fiber-rich diet: Maintain a balanced diet that includes plenty of fiber from fruits, vegetables, whole grains, and legumes. Fiber adds bulk to the stool, making it easier to pass.

8. Stay hydrated: Drink an adequate amount of water throughout the day to keep stools soft and easier to pass.
for more questions on pooping
https://brainly.com/question/29630973
#SPJ8

A scientist developing an antiviral drug that would block the binding of the virus to the host cell should study the molecular structure of envelope viral proteins such as the spike protein in the case of corona in order to develop an antibody that binds to an antigen in the active site of this enzymatic protein.

The active site of an enzymatic protein is the molecular domain which uses this enzyme to bind to a certain substrate such as in the case of an envelope viral protein to the plasma membrane of the host cell.

Therefore, with this data, we can see that the active site of an enzymatic protein has antigen domains that may bind to an antibody in order to fight against viral infections.

Learn more about the active site of an enzyme here:

https://brainly.com/question/28326269

#SPJ1

Answer:

D. DDT

Explanation:

DDT is highly persistent in the environment means that it break down very slowly in the environment. The half-life for DDT is from 2 to 15 years. Half-life is the time needed for the degradation of half of the compound. Persistent bio-accumulative toxic substances (PBTs) are chemicals that break down slowly in the environment and its accumulation in living organisms are toxic. Some PBTs are dispersed through air currents while some uses other environmental pathways, resulting in contamination of regions far from their points of origin.

The monosaccharides among the given options are glucose, fructose, and sucrose.

Among the options provided, the monosaccharides are glucose, fructose, and sucrose. Monosaccharides are single sugar molecules that cannot be further broken down into simpler sugars. They are the building blocks of more complex carbohydrates.

Lactose, another option given, is a disaccharide composed of glucose and galactose, not a monosaccharide. Cellulose is a complex carbohydrate known as a polysaccharide and is not a monosaccharide.

For more questions on monosaccharides

https://brainly.com/question/29679417

#SPJ8

Explanation:

There is a popular sampling method called capture – recapture or 'Lincoln Index' or 'Pieterson's Method' which is used to estimate the size of an animal or human population.

Answer:

a similar function diff phylum

Answer:

A. 10%

Explanation:

Answer:

I believe that it doesn't really concern me because I am not Transgender so therefore I dont think anything about it. There really isnt anything to think about.

Explanation:

Answer:

I Agree with them because I have a few friends who are tans and with these rights, they help them and give them opportunities they didn't have before.

Explanation: