Answer:reproduction
Explanation: when the sperm and egg unite to form a single cell, the number of chromosomes is restored in the offspring. Meiosis begins with a parent cell that is diploid, meaning it has two copies of each chromosome.
what's the difference between dominant and recessive alleles
Answer:
The key difference between dominant and recessive alleles is that dominant alleles are the alleles that give the phenotype, masking over the other phenotype, while recessive alleles are the alleles that are suppressed by the dominant allele. Usually, a chromosome contains a number of genes, and they exist in specific places.
Explanation:
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People who live in
are the most likely to be exposed to nitrate and phosphate pollution in surface and
ground water
A) fishing villages
B) rural farming areas
mountainous areas with reduced oxygen levels
D) urban industrial areas
( NOT D )
Answer:
I believe it’s A
Explanation:
Answer:
A
Explanation:
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It explains in the image.
if a child had O type blood and the mother had B type blood and the father had A type blood, could a blood test eliminate the father
Answer:
No, a blood test could not eliminate the father.
Explanation:
The mother had B type blood, so the possible genotypes are BB and BI. The father had A type blood, so the possible genotypes are AA and AI. The child had O type blood, so the only possible genotype is II. If the mother has the genotype BI and the father has the genotype AI, then there is a 25% chance the child will have the blood type O, or II (I used a punnet square with the genotypes BI and AI to solve this.)
What are the Amino acids of the mutated DNA sequence: TAC ATC TTG GCG ACG ACT
Answer:
Tyr Ile Leu Ala Thr Thr
Explanation:
In a DNA sequence, a pair of three bases form a codon that codes one particular amino acid in the protein. Proteins are consist of 20 amino acids and these amino acids are coded by a pair of three bases.
There are four bases in a DNA - Thymine (T), Adenine(A), Guanine(G) and Cytosine(C).
The given mutated DNA sequence will also code for some amino acid, that is as follows:
TAC - Tyr (Tyrosine)
ATC - Ile (Isoleucine)
TTG - Leu (Leucine)
GCG - Ala (Alanine)
ACG - Thr (Threonine)
ACT - Thr (Threonine)
Thus, The mutated DNA sequence TAC ATC TTG GCG ACG ACT codes for Tyr Ile Leu Ala Thr Thr.
where do cells fall in the levels of organization of living things
Answer:
Tissues exist within organs, which exist within organ systems. Communities exist within populations, which exist within ecosystems. Organelles exist within cells, which exist within tissues. Communities exist within ecosystems, which exist in the biosphere.
Explanation:
Can I get help with the cell structure and major cell types
Answer:
Explanation:
i can answer all that
Translation
Recombintation
Transcription
Replication
aerobic respiration can leads to buildup of lactic acid in the muscle
True
False
Answer:
true
Explanation:
In aerobic respiration, pyruvate produced by glycolysis is converted into additional ATP molecules in the mitochondria via the Krebs Cycle.This lactic acid accumulation in the muscle tissue reduces the pH, making it more acidic and producing the stinging feeling in muscles when exercising.
Answer:
True
Explanation:
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Humans have many “good bacteria" living along their digestive tract. Not all of the food that humans eat
is fully digested. The "good bacteria" feed on the undigested food. This helps the bacteria to get
nutrients and helps the human with the digestive process. What type of symbiotic relationship does this
relationship describe?
Answer:
It would a Mutualism relationship
Explanation:
Because both humans and bacteria are benefiting from each other.
what genotype would make a blue phenotype?
1. AA
2. Aa
3. aa
4. none of the above
Answer: None of the above. The genotype bb produces a blue phenotype.
4. A tick has caused a dog to be diagnosed with Lyme disease. What type of relationship
would this suggest that exists between the dog and tick?
A. Mutualism
B. Commensalism
C. Parasitism
D. Predation
Answer:
Parasitism
Explanation:
The tick is the only one that benefits and the dog is harmed.
Which of the following explains why an apple looks red? The apple reflects red light and absorbs all other visible wavelengths. The apple absorbs red light, and reflects all other colors of light.. The apple is absorbs all visible wavelengths, but absorbs red light better The apple is reflects all light that hits its surface.
Answer:
The apple reflects red light and absorbs all other visible wavelengths
Explanation:
The apple is only reflecting the color red and is absorbing the other colors of light (wavelengths)
The correct explanation why an apple looks red is that the apple reflects red light and absorbs all the other visible wavelengths. Thus, the correct option is A.
What is Absorption and reflection of light?Light absorption is the process in which the light ray is absorbed by the matter and converted into a form of energy. In an atom, the electrons vibrate at a specific frequency, then this is called as the natural frequency.
Reflection is a phenomenon of light. When a ray of light approaches a smooth polished surface such as metal and the light ray bounces back, it is called the reflection of light. The incident light ray which land on the surface is reflected off from the surface. The light ray that bounces back is called the reflected ray.
Therefore, the correct option is A.
Learn more about Absorption here:
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What are the following in order: traits, protein, gene, chromosome, cell
Answer:
From smallest to largest, the order is nitrogenous base, nucleotide, codon, gene, chromosome, nucleus, and cell.
how can patterns be used to identify common ancestry?
Answer:
5
Explanation:
4
......"...................."
By comparing and contrasting morphological or genetic traits of an organism, patterns can be used to determine its common ancestry. When species exhibit comparable traits, it shows that those traits were inherited from a common ancestor. On the other hand, when organisms exhibit different characteristics, it implies that they diverged from a common ancestor and evolved separately.
What are patterns used in common ancestry?In genetics, common ancestry can be determined using patterns in DNA sequences or protein structures. A high degree of similarity between the DNA or protein sequences of two or more species indicates a tight relationship and a more recent common ancestor.
In contrast, different DNA or protein sequences within species indicate a more distant common ancestor and a more distant relationship between them. Scientists can reconstruct the evolutionary history of many animals and find patterns of common ancestry by comparing the DNA sequences of those organisms.
Therefore, by comparing and contrasting morphological or genetic traits of an organism, patterns can be used to determine its common ancestry.
Learn more about Common ancestry, here:
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Which of the following best describes a simple fruit
If the phenotype is much more common in males, then the gene is likely on the?
A.autosomal chromosome
B. X chromosome
A tall pea plant is crossed with a short pea plant. All the offspring are tall. What can you conclude about the allele for tallness in pea plants?
What are the 3 horizontal ocean zones? *
Which of the following could be present in a eukaryotic cell? *
Ribosomes
Cell Wall
Cell Membrane
Nucleus
Membrane-Bound Organelles
DNA
Answer:
Ribosomes
Membrane-Bound Organelles
Nucleus
Explanation:
Each eukaryotic cell has a plasma membrane, cytoplasm, a nucleus, ribosomes, mitochondria, peroxisomes, and in some, vacuoles; however, there are some striking differences between animal and plant cells.
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Identify and describe the different forms of precipitation shown in the images.
Answer:
snow and hail
Explanation:
how does a banana become a banana?
There is a seed in the banana and then the seed grows into a tree and produces more banana
Mrs. Underwood explained to her class her theory that people do not understand the importance of timelines until they have lived through major historical events. Why is her theory different from a scientific theory?
A scientific theory concerns only physics and is supported by mathematical calculations,
O A scientific theory concerns nature and is supported by data collected through field observations and experiments.
A scientific theory concerns popular opinion and is supported by the opinions of researchers in the social sciences
A scientific theory concerns the humanities and is supported by interpretations of artistic works
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Answer: A scientific theory concerns nature and is supported by data collected through field observations and experiments.
Explanation:
Scientific theories are only established based on verified facts derived well organized research and experiments using data and other supporting evidences. Theories differ from hypothesis or philosophical sayings which lacks factual and reproducible evidences.
Mrs. Underwoods theory could best be deemed as an assertion because her theory lacks an established and reproducible evidence prepared from data or experimental research to back up or align with her theory.
if you wanted to eliminate wind what would be the best way to do it
Answer:
The best way to eliminate the wind is to build barriers.
Explanation:
As you may already know, the wind is a large-scale flow of gases. This flow is palpable and can be prevented from entering certain places by building physical barriers that block the flow. In this case, the construction of barriers prevents the wind from advancing and reaches a certain region, because it causes the wind to crash against this barrier and be pushed back, prevented from advancing.
What molecule carries chemical energy that cells use for their functions?
Answer:
Adenosine triphosphate (ATP)
Adenosine triphosphate (ATP), energy-carrying molecule found in the cells of all living things. ATP captures chemical energy obtained from the breakdown of food molecules and releases it to fuel other cellular processes.
i need help cant get this one wrong
Answer:
ik that 1 goes to blue
Explanation:
When a spider eats a mouse, what happens to parts of the mouse that are left over?
Answer:
Mice in the wild will feed on a variety of insects, including spiders. In most cases though, mice will not go out of their way to seek out spiders for nourishment. They instead eat them when they are available, in the absence of anything better.
Explanation:
Answer:
I dont think its possible for a spider to eat a mouse its the other way around the mouse would eat the spider.
Explanation:
True or false:Meiosis takes place when it is time to replace old cell.Explain
Answer:
False
Explanation:
Mitosis is the process of replacing damaged and old cells.
In the Table of Elements, which SUBATOMIC particle of an Atom affects the arrangement of elements? *
Science
Answer:
A typical atom consists of three subatomic particles: protons, neutrons, and electrons (as seen in the helium atom below). Other particles exist as well, such as alpha and beta particles (which are discussed below). The Bohr model shows the three basic subatomic particles in a simple manner. Most of an atom's mass is in the nucleus—a small, dense area at the center of every atom, composed of nucleons. Nucleons include protons and neutrons. All the positive charge of an atom is contained in the nucleus, and originates from the protons. Neutrons are neutrally-charged. Electrons, which are negatively-charged, are located outside of the nucleus.
Do you think that carbon emissions from humans should be regulated? Why or Why not? Give at least five reasons to support your answer.
Answer:
yes
Explanation:
because carbon emissions cause issues such as air pollution, ocean acidification, noise pollution, climate change and of course global warming.