ITS WATER I SWEAR
H20 has multiple elements in it so its a compound the others are just single elements
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What places has a Temperate Deciduous Forest biome? (city/ country)
Answer:
Temperate deciduous forests can be found in the eastern part of the United States and Canada, most of Europe and parts of China and Japan.
Explanation:
answer at least 5 of these questions.
if you could answer all of them that would be great
Answer:
you could literally just look them up
1. Deoxyribonucleic Acid
2. In biology, a gene is a basic unit of heredity and a sequence of nucleotides in DNA or RNA that encodes the synthesis of a gene product, either RNA or protein. During gene expression, the DNA is first copied into RNA.
3. nucleus
Chromosomes are thread-like structures located inside the nucleus of animal and plant cells. Each chromosome is made of protein and a single molecule of deoxyribonucleic acid (DNA).
4. As described above, DNA can be found in three organelles: the nucleus, mitochondrion, and chloroplast. Only eukaryotes have a nucleus, which is a large structure that's surrounded by a membrane. Nuclear DNA comes in the form of long, linear pieces of DNA called chromosomes.
Cellular respiration and photosynthesis are similar in that both produce
Answer:
oxygen
Explanation:
Answer:
The two processes are similar in that they both produce energy, but in two different forms.
Explanation:
They both provide each other with the necessary ingredients for the process to take place: glucose and oxygen for cellular respiration, carbon dioxide and water for photosynthesis.
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true or false phosphatese remove the phosphate from gtp on gtp binding proteins
The statement that phosphatases remove the phosphate from GTP on GTP binding proteins is a false statement.
What are GTP-binding proteins?
GTP-binding proteins are a family of membrane-associated proteins that play a critical role in signal transduction. The family of GTP-binding proteins is divided into three subfamilies: (i) monomeric GTPases, (ii) heterotrimeric G proteins, and (iii) dynamin.
How do GTPases work?
GTPases act as molecular switches that are turned on by exchanging GDP (guanosine diphosphate) for GTP (guanosine triphosphate). The activation of GTPase results in the binding of GTP to the protein, leading to a conformational change that enables it to interact with downstream effectors, resulting in a specific cellular response.
The GTPase cycle ends with the hydrolysis of GTP to GDP, which is facilitated by GTPase activating proteins (GAPs). This converts the GTPase back to its inactive form, allowing the protein to be used in another signaling event.
The removal of phosphate from GTP on GTP-binding proteins is accomplished by GTPase-activating proteins (GAPs). This is not performed by phosphatases. As a result, the given statement is false.
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An organism, like a plant, that can make its own food is called (choose all
that are correct)
A. a heterotroph.
B. an autotroph.
C. a producer
D. a decomposer.
Answer:
B
Explanation:
6. Which of the following is true during telophase?
a. The nuclear membrane has disappeared.
b. The cell membrane begins to form cleavage furrow at the center.
C. Two new cells are formed with the same number of chromosomes as the parent cell.
d. The centromere of each chromosome divides and pulls them by the spindle fibers toward
the end of the cell.
Explanation:
what is the name of this website or the book
help????? please and thank you
What is the function of Stomata?
Answer: Stomata, the small pores on the surfaces of leaves and stalks, regulate the flow of gases in and out of leaves and thus plants as a whole. Stomata are composed of a pair of specialized epidermal cells referred to as guard cells (Figure 3). Stomata regulate gas exchange between the plant and environment and control of water loss by changing the size of the stomatal pore.
Explanation:
In horses, the allele for long legs (L) is dominant over the allele for short legs (1). What is the
probability of short legs in the offspring of parents that are both heterozygous for the trait?
Answer:
[tex]\frac{1}{4}[/tex] or 25%
Explanation:
Heterozygous means that the organism has different alleles (L1)
Draw a punnet square:
L 1
L LL L1
1 L1 11
11 is the allele for short legs so 1 in 4 of the outcomes will lead to an offspring with short legs
What is the term for a strong response to a harmless antigen in the environment? Notice the word Harmless in the question.
a. inflammatory response
b. an autoimmune disease
c. cell-mediated immunity
d. an allergy
*What two kinds of molecules would be used to support evolution ?
Answer: Multiple types of evidence support the theory of evolution: Homologous structures provide evidence for common ancestry, while analogous structures show that similar selective pressures can produce similar adaptations (beneficial features).
Explanation:
For speciation to occur, does disruptive selection always have to be happening?
No, disruptive selection does not always have to be happening for speciation to occur.
Speciation refers to the formation of new species, which involves the evolution of reproductive isolation between populations.
While disruptive selection can contribute to speciation, there are other mechanisms that can also lead to the formation of new species.
Disruptive selection occurs when natural selection favors extreme phenotypes over intermediate phenotypes, leading to a divergence in the population.
This can create distinct ecological niches or habitats for different phenotypes, potentially driving speciation.
However, disruptive selection is just one of several processes that can contribute to reproductive isolation and speciation.
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How does human consumption of limited resources (energy), impact the biosphere?
Answer: Human use of land has negative impacts. Human activities contribute to the erosion and pollution of beaches. ... More of the rainwater runs off leading to increased erosion and drier soil. Deforestation of land can also lead to desertification and a loss of biodiversity.
Explanation:
who is the current preme minister of America
Mr. Joe Biden is the current president of the USA.
How would the author of "Are 'Green' Cars Really All That Green?" dispute the claim in "Cars Without Gasoline Are Here" that biofuels are a good replacement for fossil fuels?
Answer:
A. By noting that biofuels come from vegetables such as corn and sugar beet.
Explanation:
The author claims that biofuels are a good replacement for fossil fuels in the vehicles because it produced less carbondioxide gas as compared to fossil fuels. The biofuels also produced pollution but less as compared to fossil fuel. This biofuel is extracted in the form of Bioethanol which is a type of alcohol made by fermentation process of starch crops such as corn, sugarcane, or sweet sorghum. This biofuel made from biological materials that decrease the production of carbondioxide gas.
How does sexual reproduction increase genetic variation in a species?
a. All of these answer selections lead to an increase in genetic variation.
b. By producing gametes with different combinations of parental chromosomes.
c. By allowing recombining of chromosomes from two different individuals.
d. By allowing recombination of alleles on a chromosome.
The correct option is (d). Sexual reproduction is a process that increases genetic diversity in a species. It produces offspring with unique combinations of traits and genetic makeup.
Sexual reproduction is a process that increases genetic diversity in a species. It produces offspring with unique combinations of traits and genetic makeup. Sexual reproduction contributes to genetic variation in several ways, including producing gametes with different combinations of parental chromosomes, allowing recombination of chromosomes from two different individuals, and enabling the recombination of alleles on a chromosome. Sexual reproduction is one of the key factors in the generation of genetic variation in a population. Sexual reproduction is a process in which two individuals produce offspring that have unique combinations of genetic traits from both parents. The offspring produced are not identical to their parents or any other individual in the population. This variation arises because each gamete carries different alleles of the same gene. During fertilization, the gametes fuse, and the chromosomes of the two parents combine to produce a new individual. The new individual carries a unique combination of alleles, some of which may have come from one parent, and others that may have come from the other parent.The first way that sexual reproduction increases genetic variation is by producing gametes with different combinations of parental chromosomes. In humans, for example, each egg or sperm cell contains 23 chromosomes. When fertilization occurs, the egg and sperm combine to form a zygote, which now contains 46 chromosomes. The chromosomes in the zygote are a combination of the chromosomes from the mother and the father, which means that the zygote carries a unique set of genes that are different from any other individual in the population. A second way that sexual reproduction increases genetic variation is by allowing the recombining of chromosomes from two different individuals.
During meiosis, the cells that produce gametes undergo a process called crossing over. In this process, the chromosomes in the cell exchange segments of DNA with their homologous chromosomes. This creates new combinations of genes on the chromosomes, which are then passed on to the offspring. The result is that each gamete carries a unique combination of alleles, which contributes to genetic variation in the population. Finally, sexual reproduction increases genetic variation by enabling the recombination of alleles on a chromosome. An allele is a different version of a gene. Each individual carries two alleles for each gene, one inherited from each parent. During fertilization, the alleles on the chromosomes combine to produce a unique combination of genes in the offspring. This can lead to different traits in the offspring that are not present in either parent. Overall, sexual reproduction contributes to genetic diversity in a population by producing unique combinations of genes in the offspring. This allows the population to adapt to new environmental conditions, increasing the survival of the species in the long run.
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A trait that does not offer members of a population a great advantage will most likely
A. increase the reproductive rate in successive generations
B. decrease in frequency in successive generations
C. appear at the same frequency in successive generations
D. undergo a series of mutations in successive generations
A trait that does not offer members of a population a great advantage will most likely decrease in frequency in successive generations. Thus, option B is correct.
What is theory of natural selection?
According to Charles Darwin in his theory of natural selection, organisms must compete for scarce resources. Only the fittest can survive. The fittest are organisms that have undergone the required genetic changes that increases their chances of survival. They pass on these genetic changes to the next generation or offspring.
When availability of food decreases, organisms begin to change genetically as they struggle for scarce resources thereby leading to variation in a population. All organisms must compete for survival. Natural selection continues to occur even today.When organisms struggle to survive, they usually mutate to increase chances of reproduction.
Therefore, A trait that does not offer members of a population a great advantage will most likely decrease in frequency in successive generations. Thus, option B is correct.
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A plant with small red flowers is crossed to a plant with large white flowers. The resulting F1 is comprised of 75 plants with small red flowers and 72 plants with small white flowers. If flower color and flower size are controlled by a single gene each, what can be concluded from these results? a. Flower color is controlled by a sex-linked gene. b. Red color and small size are dominant to white color and large size, respectively. c. Small size is dominant to large size, but we can't determine which color is dominant. d. We can't determine which color and which size are dominant. e. White color and small size are dominant to red color and large size.
From the given results, it can be concluded that red color and small size are dominant to white color and large size, respectively.
The F1 generation consists of 75 plants with small red flowers and 72 plants with small white flowers. This indicates that the traits for flower color and flower size segregate independently and are controlled by different genes. Since there is a presence of both red and white flowers in the F1 generation, with red being the dominant color, it can be inferred that red color is dominant over white color.
Similarly, since there is a presence of both small and large flowers in the F1 generation, with small being the dominant size, it can be concluded that small size is dominant over large size. Therefore, the correct answer is b. Red color and small size are dominant to white color and large size, respectively.
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After doing research on plants and fertilizers, a 5th grade science class states the hypothesis for their experiment; "If a plant receives fertilizer, then it will grow to be bigger than a plant that does not receive fertilizer." To test this hypothesis the students must ______________. A) make observations B) collect and record data C) determine and follow a procedure D) make observations, collect and record data, and determine and follow a procedure
Answer:
D
Explanation:
D is a combination of all three options above, and ALL those steps need to be done, so it is D.
If you are ever stuck on a problem and cannot receive help, usually the answer that is "all above" right, but not always.
Compute the age of a basalt rock sample from the Moon containing 6 grams of Uranium-235 (parent isotope) and 42 grams of Lead-207 (daughter isotope). This rock is from a complex crater flooded with lava. The half-life of Uranium-235 is 704 million years.
Answer:
Age of rock = 21112000000 years
Explanation:
The half-life of a radioactive material is the time taken for half the original material to decay or it is the time required for a quantity to reduce to half of its initial value.
The ratio of parent isotope, Uranium-235 to daughter isotope, Lead-207 = 6 : 42 = 1 : 7
This means that for every one gram of the parent isotope, there are 7 grams of the daughter isotope. So,the quantity of radioactive material left is one out of eight its original value.
Number of half-lives undergone for 1/8 of the original value to to remain is given below:
1/8 = 1/2 × 1/2 × 1/2
Therefore, number of half-lives = 3 half-lives
Age of rock = half-life of Uranium -235 × number of half-lives
The half-life of Uranium-235 is 704 million years = 704000000
Age of rock = 704000000 × 3
Age of rock = 21112000000 years
What is an autotroph? How does it obtain food?
Most autotrophs use a process called photosynthesis to make their food. In photosynthesis, autotrophs use energy from the sun to convert water from the soil and carbon dioxide from the air into a nutrient called glucose.
Answer:
answer below
Explanation:
An autotroph produces it own food. For example, Plants take sunlight and Water, and make their own food :)
There are a number of similarities between microarray and mRNAseg methods. However, which of the following statements is not true of mRNAseq? The method requires cDNA synthesis. The method reports on the transcriptome. The method identifies which exons of a gene are expressed. The method requires a complementary probe. The method measures the relative number of each transcript in the sample
The mRNAseg and microarray approaches share several characteristics. It is not true with mRNAseq, however, that the approach analyses the relative number of each transcript in the sample statements. Hence (e) is the correct option.
The same set of samples were used to compare data sets from the RNA-Seq and Affymetrix platforms, and the results revealed a strong association between genes. A microarray is a laboratory technique used to simultaneously measure the expression of thousands of genes. A known DNA sequence or gene is contained in each of the thousands of small dots that are printed on microscope slides in certain locations. These slides are called DNA microarrays.
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There are a number of similarities between microarray and mRNAseg methods. However, which of the following statements is not true of mRNAseq?
a. The method requires cDNA synthesis.
b. The method reports on the transcriptome.
c. The method identifies which exons of a gene are expressed.
d. The method requires a complementary probe.
e. The method measures the relative number of each transcript in the sample
WHAT is direct counting
Answer:
Direct counting methods include microscopic counts using a hemocytometer or a counting chamber. The hemocytometer works by creating a volumetric grid divided into differently sized cubes for accurately counting the number of particles in a cube and calculating the concentration of the entire sample.
Explanation:
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What three air masses affect Pennsylvania’s weather the most, what are their air mass symbols and where do they come from
A tall plant of unknown genotype is test crossed. Of the offspring 869 are dwarf and 912 are tall. What is the genotype of the unknown parent?
The tall plant of an unknown genotype is test crossed . In the offspring, 869 are dwarf and 912 are tall. This indicates that the unknown parent's genotype was heterozygous because when an unknown parent is crossed with a homozygous recessive parent,
a 1:1 phenotypic ratio is expected. However, the ratio in this case is greater than 1:1 which shows that the genotype of the unknown parent was heterozygous i.e. Tt. It is important to note that if the unknown parent was homozygous dominant, then the offspring would have all been tall, while if the unknown parent was homozygous recessive, the offspring would have all been dwarf. Hence, the answer is "the genotype of the unknown parent was heterozygous (Tt)."More than 100 refers to the total number of offspring which is 869+912= 1781.
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Are there any bones in the human body that are from the same side (left or right)? If so, which bones?
Yes, there are several bones in the human body that exist as pairs, with one bone on the left side and its counterpart on the right side. These bones are part of the axial and appendicular skeleton.
The bones that exist as pairs on the left and right sides of the human body include the following:
1. Clavicles (Collarbones): The clavicles are slender, S-shaped bones that connect the sternum (breastbone) to the shoulder blades on each side.
2. Scapulae (Shoulder Blades): The scapulae are triangular-shaped bones located on the upper back. There is a left scapula and a right scapula.
3. Humeri: The humeri are long bones that form the upper arm. There is a left humerus and a right humerus.
4. Radius and Ulna: These are the two bones in the forearm. The radius is located on the thumb side (lateral side), and the ulna is on the little finger side (medial side). There is a left radius and a right radius, as well as a left ulna and a right ulna.
5. Femora: The femora are the thigh bones, which are the longest and strongest bones in the human body. There is a left femur and a right femur.
6. Tibiae and Fibulae: The tibia and fibula are the two bones in the lower leg. The tibia is the larger bone, located on the inner side (medial side), and the fibula is the smaller bone on the outer side (lateral side). There is a left tibia and a right tibia, as well as a left fibula and a right fibula.
These bones exist as pairs to provide symmetry and balance in the human body, allowing for coordinated movement and support of the skeletal structure.
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List four real-life scenarios where the human body may have to undergo lactic fermentation.
which of the following is a slow process that changes earth's surface?
flooding
volcanic eruption
earthquake
wind erosion
Answer:
earthquake (i think)
Explanation:
Ethanol for Transport Part 2 0.0/5.0 puntos (calificado) Ethanol has an energy density of .021 GJ/L. How many liters of ethanol are required to supply US transportation demand? Liters Enviar Consejo Guardar Ha realizado 0 de 5 intentos Reiniciar
Ethanol are required to supply US transportation demand is approximately 1.41 trillion liters.
To determine how many liters of ethanol are required to supply US transportation demand, we need to know the total energy demand for transportation in the US. According to the US Energy Information Administration (EIA), the total energy consumption for transportation in the US in 2019 was 28.1 quadrillion British thermal units (Btu).
To convert Btu to GJ, we need to multiply by 1.055. Therefore, the total energy consumption for transportation in the US in 2019 was 29.6 quadrillion GJ. To determine the volume of ethanol required to supply this demand, we can use the following formula:
Volume of ethanol = Total energy demand / Energy density of ethanol
Substituting the values we have, we get:
Volume of ethanol = 29.6 quadrillion GJ / 0.021 GJ/L
Volume of ethanol = 1.41 trillion liters
Therefore, approximately 1.41 trillion liters of ethanol would be required to supply US transportation demand based on the given energy density of ethanol. It's worth noting that this calculation assumes that ethanol would be the only fuel source for transportation in the US, which is not currently the case.
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