We eat food for energy. What is the source of energy for this food chain?

A) the sun
B) the grass
C) decomposers
D) all the animals

Answer:

Folic acid

Explanation:

Antibacterial drugs helps fight the bacterial infections. these drugs helps release essential amino acids by impairing the production of folic acids in bacterial cells. Bacteria infection may get severe and hazardous if they are leave untreated.

Answer:

C6H12O6 + O2 ------> CO2 + H2O + ATP. The reactants are oxygen and glucose. The products are ATP, CO2, and water.

OAmalOHopeO

Answer:

B

Explanation:

it's thylakoid membrane

Answer:

Thylakoid membrane.

Explanation:

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Answer:

The correct answer is ''All of the choices are correct.''

Explanation:

Pregnant women are a risk group for listeriosis, the disease caused by the Listeria monocytogenes bacteria found in contaminated food. This organism can cross the placenta and affect the fetus. Due to the decrease in cellular immunity, pregnant women are part of the population at risk and are 17-20 times more likely to develop listeriosis after the consumption of contaminated food and it usually occurs from the third trimester and appears as a disease mild with not very high fever, joint and muscle pain. Listeriosis can cause miscarriages during the first three months of pregnancy. As the third trimester is reached, the mother is at greater risk. It presents a 40-50% fetal or neonatal mortality. In the first or second trimester it produces septic abortions and intrauterine fetal death, in the third trimester she produces chorioamnionitis and premature labor. In 1/3 cases it can occur asymptomatically in the fetus / neonate. In newborns, listeriosis can cause blood infections and meningitis.

C. animal actions

Others are chemical examples.

Answer:

B. the stream will have fewer plants growing.

Explanation:

Answer:

negative impact

Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water. These negative impacts can affect human behavior and can prompt mass migrations or battles over clean water.

positive impact  

Environmental regulations have greatly improved air and water quality, especially in areas that were dirtiest before regulation. Reducing airborne particulates is especially beneficial, saving thousands of lives and preventing millions of illnesses each year.

Yes. Every chemical reaction obeys the law of conservation of mass.

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Answer:

Methionine- Lysine- leucine- stop

Explanation:

This question is describing the processes of transcription and translation, which are both involved in protein synthesis. Transcription is the synthesis of a mRNA molecule from a DNA template while translation is the synthesis of a polypeptide/amino acid sequence from a mRNA template.

The following DNA molecule was given as follows; TAC TTC AAA ATC. Firstly transcription will synthesize an mRNA molecule based on complementary base pairing rule. The resulting mRNA will be: AUG AAG UUU UAG

Next, the process of translation which involves the synthesis of an amino acid sequence from mRNA. Using the genetic code will produce the following:

Methionine- Lysine- leucine- stop

Answer:

C. light, chloroplasts

Explanation:

Answer:

The difference between the cellular make - up of a living organism and aluminum can is the ability to use energy .

Answer:

the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.

Answer:

1

Explanation:

is the process of green plants to manufacture their own food

Answer:

The ability of an organism to change internally or externally in relation to changes in the environment is called Homeostasis. (I'm pretty positive this is the answer and I hope you have an awesome day :)

Answer:c

Explanation: hope this helps

The correct order is,

I. Replicate the new organism.

II. Isolate the genes from the specialist cell.

III. Select the desired trait.

IV. Insert the genes into the target organism.

Genetic engineering (also named genetic modification) exists as a system that operates laboratory-based technologies to change the DNA makeup of an organism. This may influence changing a single base pair (A-T or C-G), deleting a region of DNA, or adding a unique element of DNA.

Genetic engineers change, splice, eliminate, and rearrange genes to change an organism or classes of organisms. Genetic engineering, also called genetic modification or genetic manipulation exists in the modification and manipulation of an organism's genes operating technology.

Genetic engineering stands performed in three fundamental steps. These exist,

(1) The isolation of DNA components from a donor organism.

(2) The insertion of an isolated donor DNA fragment into a vector genome.

(3) The effect of a recombinant vector in a suitable host.

Hence, The accurate order is,

I. Replicate the new organism.

II. Isolate the genes from the specialist cell.

III. Select the desired trait.

IV. Insert the genes into the target organism.

Thus, Option C is correct.

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There are 4 phenotypes are possible from the 3 alleles coding for human blood. The correct option is B.

The set of qualities or characteristics that can be observed in an organism are known as its phenotype in genetics.

The word includes an organism's anatomy, developmental processes, physiological and biochemical characteristics, behaviour, and the outcomes of behaviour.

The genotype of an individual is their own DNA pattern. More specifically, the two alleles a person acquired for a particular gene are referred to by this phrase.

The clinical presentation of a patient is the observable expression of this genotype, or phenotype.

A, B, AB, and O are the four phenotypes of blood that can occur. The gene that determines blood type has three alleles. Six distinct genotypes are possible because there are three different alleles.

Thus, the correct option is B.

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Answer:

A pearl is a hard, glistening object produced within the soft tissue (specifically the mantle) of a living shelled mollusk or another animal, such as fossil conulariids. Just like the shell of a mollusk, a pearl is composed of calcium carbonate (mainly aragonite or a mixture of aragonite and calcite)[3] in minute crystalline form, which has deposited in concentric layers. The ideal pearl is perfectly round and smooth, but many other shapes, known as baroque pearls, can occur. The finest quality of natural pearls have been highly valued as gemstones and objects of beauty for many centuries. Because of this, pearl has become a metaphor for something rare, fine, admirable and valuable.

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Answer:

los mecanismos capaces de generar diversidad actúan para incrementar la variabilidad genética en la población que sufrió el cuello de botella

Explanation:

Un cuello de botella se refiere a una reducción drástica en el tamaño de una población (por ejemplo, debido a una catástrofe natural). Un cuello de botella es un fenómeno que está asociado a la ​reducción en la variación genética y fijación de ciertos alelos en la población resultante, lo cual es causado por la deriva genética, es decir, debido al muestreo al azar de los individuos que formarán la población en la siguiente generación. Paulatinamente, los mecanismos capaces de generar variabilidad genética aumentarán nuevamente la diversidad de la población que sufrió el cuello de botella. En una población de reproducción sexual, la variación genética se genera mediante cuatro procesos diferentes: 1-mutación (es decir, la aparición de nuevos alelos debido a alteraciones en la secuencia de ADN); 2-recombinación (es decir, el intercambio de información genética entre cromátidas no hermanas durante la meiosis); 3-segregación independiente de cromosomas durante la meiosis (capaz de producir nuevas combinaciones de alelos) y 4-fertilización al azar (lo cual también incrementa el número de combinaciones entre gametos que darán lugar a un nuevo individuo).

Answer:

a, chromatin

Explanation:

The codon is the sequence of nucleotides that carry genetic information that determines which amino acid should be added to the building protein. Nucleotides in this sequence pair with nucleotides from the tRNA  anticodon. In the exposed example, the correct codon pairing the given anticodon is is UCCGGC.

Before expplanation, let us review some theoretical frame to answer the question.

During protein synthesis, the ribosome reads mRNA in the 5´ to 3´ direction, while tRNA adds the correct amino acids to build the polypeptide, according to the codons readen in the mRNA chain. A codon is a short sequence of three nucleotides that store the genetic information for the aminoacids´ assembly. Each of the codons represents one of the 20 amino acids used to build the protein. Each tRNA has two important sites. One of them that couples with the codon of the mRNA molecule, named anticodon. The other site couples with an amino acid. tRNA allows amino acids to align according to the nucleotidic sequence in the mRNA molecule.  

Once the new amino acid joins the growing protein, the binding between the amino acid and the tRNA breaks, releasing the molecule, which is now available to join another amino acid and repeat the cycle.  

• Anticodon: Sequence of bases that pairs with the mRNA codon.  

• Amino Acid: the amino acid that is codified by the mRNA codon.  

Remeber that:

In the exposed example, the tRNA anticodon is AGGCCG, so we need to find its complement.

We know that Adenine pairs Uracyl, Guanine pairs Cytosine, and Cytosine pairs Guanine. So,

Anticodon → AGGCCG

     Codon → UCCGGC    

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Answer:

The codon is the sequence of nucleotides that carry genetic information that determines which amino acid should be added to the building protein. Nucleotides in this sequence pair with nucleotides from the tRNA  anticodon. In the exposed example, the correct codon pairing the given anticodon is is UCCGGC.

Before expplanation, let us review some theoretical frame to answer the question.

During protein synthesis, the ribosome reads mRNA in the 5´ to 3´ direction, while tRNA adds the correct amino acids to build the polypeptide, according to the codons readen in the mRNA chain. A codon is a short sequence of three nucleotides that store the genetic information for the aminoacids´ assembly. Each of the codons represents one of the 20 amino acids used to build the protein. Each tRNA has two important sites. One of them that couples with the codon of the mRNA molecule, named anticodon. The other site couples with an amino acid. tRNA allows amino acids to align according to the nucleotidic sequence in the mRNA molecule.  

Once the new amino acid joins the growing protein, the binding between the amino acid and the tRNA breaks, releasing the molecule, which is now available to join another amino acid and repeat the cycle.  

• Anticodon: Sequence of bases that pairs with the mRNA codon.  

• Amino Acid: the amino acid that is codified by the mRNA codon.  

Remeber that:

Adenine forms pairs with Uracyl ⇒ A↔U

Guanine pairs with Cytosine ⇒ C↔G

In the exposed example, the tRNA anticodon is AGGCCG, so we need to find its complement.

We know that Adenine pairs Uracyl, Guanine pairs Cytosine, and Cytosine pairs Guanine. So,

Anticodon → AGGCCG

    Codon → UCCGGC    

Explanation:

Answer:

A

Explanation:

Answer:

25% of the progeny with genotype S3S4 is expected to express 5 units of color

Explanation:

Available data:

Cross:

Parentals) S1 S3   x   S2S4

Gametes) S1   S3      S2     S4

Punnett square)       S1           S3

                      S2     S1S2      S2S3

                      S4     S1S4      S3S4

F1) 1/4 = 25% of the progeny is expected to be S1S2, expressing 3 units of color ⇒ allele S1 provides one unit, allele S2 provides two units of color

    1/4 = 25% of the progeny is expected to be S2S3, expressing 5 units of color ⇒ allele S2 provides two units, allele S3 provides three units of color

    1/4 = 25% of the progeny is expected to be S1S4, expressing 5 units of color ⇒ allele S1 provides one unit, allele S4 provides four units of color

    1/4 = 25% of the progeny is expected to be S3S4, expressing 7 units of color ⇒ allele S3 provides three units, allele S4 provides four units of color

25% of the progeny with genotype S3S4 is expected to express 5 units of color

i think answer D( convection currents in liquid iron in the outer core generate an electric current , which produces a magnetic field)

Answer:

1. Alveoli: tiny air sacs within the lungs.

2. Bronchi: the two tubes into which the trachea divides before entering the lung.

3. Diaphragm: a muscle below the lungs used for breathing.

Explanation:

Living system can be defined as the internal systems of organisms and how materials circulate within organisms.

Some examples of living systems in organisms are respiratory system, nervous system, digestive system, and circulatory system.

Additionally, living systems comprises of the following components; cells, organs, muscle, tissues, blood, etc., which are typically used for carrying out various bodily functions such as respiration, metabolism, digestion, etc.

In Human anatomy, cardiac cycle can be defined as a complete heartbeat of the human heart which comprises of sequential alternating contraction and relaxation of the atria and ventricles, therefore causing blood to flow unidirectionally (one direction) throughout the human body.

1. Alveoli: it comprises tiny air sacs and it's located within the lungs of living organisms.

2. Bronchi: these are the two (2) tubes into which the trachea divides (the right bronchus and the left bronchus) before entering the lung.

3. Diaphragm: it's a muscle located below the lungs and typically used for breathing in all living organisms.

Answer:

it makes blood cells. :) have a nice day!