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A

B

C

Answer:

hope this will help u

Explanation:

Biogeochemical Cycles

Human activities have greatly increased carbon dioxide levels in the atmosphere and nitrogen levels in the biosphere. Altered biogeochemical cycles combined with climate change increase the vulnerability of biodiversity, food security, human health, and water quality to a changing climate.

Explore interactions between climate change and biogeochemical cycles.

Answer:

Human activities

moreover, biogeochemical cycles combined with climate change increase the vulnerability of biodiversity, food security, human health, and water quality to a changing climate.

Answer: All you have to do is color grey-likel, BOOM! Osmosis, your teacher will never know.

Explanation:

In the given diagram the process that is carried out is known as osmosis. In the represented diagram the main event that takes place is the process of osmosis.

Osmosis has the process in which molecules of the solvent pass via a semipermeable membrane from a lower concentrations to higher concentration or from less concentrated solution to high concentrated solution.

In the process of osmosis movement of water takes place.There are mainly three types of osmosis and these are hypertonic, hypotonic, and isotonic. The process of osmosis is passive transport as water moves from low solute concentration to high solute concentration.

Osmosis has also known as diffusion of water or solvent via a membrane which allows only selective substance to go across the channel. The process of osmosis does not require ATP because it is a passive process.There are mainly three types of osmosis and these are hypertonic, hypotonic, and isotonic.

Therefore, In the given diagram the process that is carried out is known as osmosis.In the represented diagram the main event that takes place is the process of osmosis.

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Answer:

Dispersion of white light by a prism

Explanation:

When white light is passed through a prism, the white light separates into its component wavelengths which are:

Red

Orange

Yellow

Green

Blue

Indigo

Violet

Together, all of these wavelengths constitute the spectrum of white light.

Hence, the dispersion of white light shows that each color of visible light has a specific wavelength.

Answer:

sickle cell disease or sickle cell disease is about the inheritance of metaplastic cells or cells that do not respect normal cell morphology from the mother or father to a child.

This is not associated with cultures, instead lactose tolerance is.

Explanation:

Lactose tolerance is basically an adaptation of the body in those humans who continue to drink milk throughout their lives, once the growth stage is over, milk should be suspended, although some continue to consume it and lactase continues to be encoded and expressed.

Some people for cultural reasons or environmentalist lifestyles do not drink animal milk, but rather vegetable milk.

Answer:

It is a trait highly influenced by environmental factors (i.e., it has low heritability)

Explanation:

In population genetics, heritability is a statistical measure to estimate the proportion of the phenotype variation of a given trait which can be explained by hereditable genetic factors. The heritability of a trait is influenced by environmental factors, genetic factors (e.g., allele frequencies, number of genes involved in trait variation, recombination rate, etc), and the interaction between genetic and environmental factors. A low heritability value suggests that most of the variation is not genetic (i.e., due to environmental factors), while a high heritability value suggests that almost all of the variability in a trait is due to genetic factors.

Answer:

The correct answer is C.

Explanation:

Protein kinase A (PKA) is one of these proteins for which cAMP is an allosteric activator that binds to the corresponding regulatory center in the enzyme, inducing dissociation of regulatory and catalytic subunits; The latter are thus arranged for the binding of the corresponding substrate proteins, which it phosphorylates at the expense of ATP and consequently modifies their activity. The phosphorylation and activation of glycogen phosphorylase depends on glycogen phosphorylase kinase, the latter enzyme that is a substrate for PKA.

Answer:

probably B

Explanation:

Answer:       Mutations

Explanation:

A substitution mutation occurs when specific bases (A, T, C or G) in a gene are swapped for different ones. This type of mutation doesn't cause a difference in the number of bases like insertion or deletion mutations do. Substitution mutations just switch out one or more bases for different ones.        

have a good a day

Answer:

If you are asking A BLANK mutation occurs when a base in the DNA sequence is replaced by a different base, the answer is substitution.

Explanation:

I took the test

Answer:

Plants and algae convert carbon dioxide to organic matter through the process of photosynthesis, the energy of light. Carbon is present in all life: All living things contain carbon in some form, and carbon is the primary component of macromolecules, including proteins, lipids, nucleic acids, and carbohydrates.

All life has some form of carbon, and this element is the main building block of macromolecules like proteins, lipids, nucleic acids, and carbohydrates.

The general formula for carbohydrates is Cn (H2O)n, and they are biological macromolecules consisting of carbon, hydrogen, and oxygen. Saccharides are the precursors to all carbs. These big molecules generate energy that powers the body's physiological processes.

They are made up of thousands of atoms that are covalently bound. The polymerization of numerous smaller molecules known as monomers produces large molecules. Large non-polymeric molecules like lipids and biopolymers like nucleic acids, proteins, and carbohydrates are the most prevalent macromolecules in biochemistry.

Therefore, through the process of photosynthesis, which uses light energy, plants and algae transform carbon dioxide into organic matter.

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Answer:

Im pretty sure its B

Explanation:

Ecology.

The definition of ecology is: the branch of biology that deals with the relations of organisms to one another and to their physical surroundings.

This means that it is the study of how organisms interact with each other and their environment.

Not sure if it's right? Let's take a look at the other answers.

Definition of biosphere: the regions of the surface, atmosphere, and hydrosphere of the earth (or analogous parts of other planets) occupied by living organisms.

Definition of biotic: relating to or resulting from living things, especially in their ecological relations.

Definition of biome: a large naturally occurring community of flora and fauna occupying a major habitat, e.g. forest or tundra.

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The Sahara desert food chain begins with the plants. There are many kinds of plants in the desert. They are the Date Palms, Cacti, Thorn Acacia, Creosote Bush, Sage Brush, Desert Milkweed, Desert Willow, and Desert Tobacco. The plants are producers as they are the source of food for many herbivores.

Answer:

The correct answer is True

Explanation:

The first step in glycogen synthesis (glycogenesis) is the phosphorylation of glucose to form glucose-6-phosphate, which is catalyzed by hexokinase. [This step is also the first step in the glycolytic pathway]. Glucose-6-phosphate is then isomerized to glucose-1-phosphate by the action of phosphoglucomutase. This glucose-i-phosphate is then converted to glycogen by glycogen synthase.

Answer:

PROTEINS

Explanation:

I JUST DID THIS IN MY SCIENCE QUIZ

so glad i could help :O

Answer:

Enzymes

Ex

i jus did it

ANSWER:

The effects can be beneficial, harmful, or neutral.

Explanation:

The evidence that supports the law of conservation of energy is as follows: mechanical energy is converted to chemical energy during photosynthesis.

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Answer: The Answer is 3. Oxygen is made from the breakdown of crabon dioxide during photosynthesis.

Explanation: I took the test.

554Answer:544

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Answer:

Question 2: Photosynthesis, the sunlight is coverted to natural energy by plants, which is then used for GLUCOSE.

Explanation:

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Answer:

Beneficial mutations events can generate resistance to drugs

Explanation:

Bacteria can develop antibiotic resistance through mutations, as well as horizontal transference events, that allow them to reduce/eliminate the effectiveness of drugs used to treat infections. For example, penicillin-resistant strains have been identified in Staphylococcus aureus and Streptococcus pneumoniae. In general, mutations have a negative impact on the fitness of the organism; however, there are cases where mutations increase the fitness of the individual. In consequence, antibiotic resistance may occur by natural selection, where antibiotic-resistant bacteria that exhibit beneficial mutations are selected to survive and perpetuate their genetic material.

Answer:

2.1.

In the environmental context, generally microorganisms are the most important agents of biodegradation. Although extensive degradation of some xenobiotic chemicals can occur in mammals (usually in the liver), they are not particularly important in degradation of environmental pollutants.

Explanation:

Answer:

this is not a very clear question T-T

Explanation:

wish i could help

Answer:

Explanation:

Afterwards, only females come ashore to nest; males almost never return to land ... Most females return faithfully to the same beach each time they are ready to nest. ... When the turtle has finished digging the egg chamber, she begins to lay eggs. ... Well over 90% of a sea turtle's life is spent in the water – feeding, mating, ...

Answer:

True

Explanation:

Similarly, in humans (2n=46), there are 46 chromosomes present during metaphase, but 92 chromatids. It is only when sister chromatids separate – a step signaling that anaphase has begun – that each chromatid is considered a separate, individual chromosome.

The statement that the human cell will have 46 chromosomes during the metaphase of meiosis II is false.

Chromosomes refer to the thread-like structures that can be found in the nucleus of organisms. The chromosome consists of protein as well as a single molecule of DNA.

It should be noted that the human cell has 23 chromosomes during the metaphase of meiosis II. It doesn't have 46 chromosomes during the metaphase of meiosis II.

Therefore, the statement is false.

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Answer:

Carbon is the chemical backbone of life on Earth. Carbon compounds regulate the Earth’s temperature, make up the food that sustains us, and provide energy that fuels our global economy.

The carbon cycle.

Most of Earth’s carbon is stored in rocks and sediments. The rest is located in the ocean, atmosphere, and in living organisms. These are the reservoirs through which carbon cycles.

Explanation:

From the Carbon cycle the answers to your questions are ;

1) The Total amount of carbon removed from the atmosphere each year  is

2) The Total amount of carbon added from soil and burning of fossil fuels is

3) The Change in atmospheric Carbon in a year = 4 GTC

The amount of Carbon present  in the atmosphere within a given period is determined by the amount of carbon added to the atmosphere and the amount of carbon that leaves the atmosphere within a given period.

1) Total amount of carbon removed from the atmosphere = amount of carbon removed by oceans + amount of carbon removed by plants

= 2 GTC + 63 GTC = 65 GTC

2) Total amount of carbon added to the atmosphere from soil and burning fossil fuels = 9 GTC + 60 GTC = 69 GTC

3) The change in atmospheric carbon in a year

= amount of carbon added - amount of carbon removed

= 69 GTC - 65 GTC = 4 GTC.

Hence we can conclude that the amount of carbon added = 69 GTC, amount of carbon removed = 65 GTC  and the change in atmospheric carbon is 4 GTC.

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The statements that describe RNA are ;

RNA and DNA are similar in some ways because they are both nucleic acids but the characteristics of RNA that makes it different from DNA is that RNA is mostly single stranded with it Nucleotides containing ribose instead of deoxyribose.

The RNA ( Ribonucleic acid )  nucleotides are composed of certain bases i.e. adenine, guanine, and cytosine also it contains uracil in place of thymine.

Hence we can conclude that the statements that describe RNA are ; Nucleotides contain the sugar ribose, Can be single stranded, The nitrogenous base uracil is used instead of thymine.

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Answer:

Potential targets:

1- DNA methyltransferases

2- Chromatin modifiers such as histone acetyltransferases, histone deacetylases, histone methyltransferases, etc.

3- Components of the RNA interference (RNAi) machinery such as Dicer, Argonaute, etc.

Explanation:

Epigenetics can be defined as the study of any heritable change in the phenotype that does not involve modifications in the DNA sequence. Epigenetic mechanisms can be classified into three major types: 1-DNA methylation, 2-histone modifications (e.g., acetylation, methylation, phosphorylation, etc), and 3-regulatory non-coding RNAs (e.g., miRNAs, lncRNAs, siRNAs, etc) that modulate target gene expression via the RNA interference pathway. There are different types of proteins that are involved in these complex epigenetic mechanisms, and those cited above represent only some examples that can be used as therapeutic targets.

Answer:

1-Homeostasis

2-Adaptation

3-Evolution

4-Ecosystem

5-System

6-System is a group of objects that work together and ecosystem is a group of living things that work together

7-Structure is what you see/sense and function is what it's job is

8-The organism would over heat and eventually get disease or die

9-This means that all living things have similarities but also have many differences

Explanation:

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Answer:

resource partitioning

Explanation:

Resource partitioning can be defined as the division of limited resources that enables species to avoid competition when they live in the same habitat. Moreover, interspecific competition is defined as the competition for limited resources among individuals of different species. In a given environment, species can be competing for essentially the same limiting resources. In the case of the bumblebees, the competence is reflected by differences based on the length of the proboscis (competence for the food), thereby resource partitioning enables species to coexist with one another.

Answer:

C. Under the age of 20

Explanation:

Look at the graph and find what letter the male's bar is larger than the female's. You can see that it's letter B. Then, look at the legend and find what ages lay under letter B. It is C., under the age of 20.

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Answer:

A.) Frogs, Birds, Trees

Explanation:

A lake is nonliving, so is rain, and its not D