Answer: I think it might be A. a sodium ion moving AGAINST the concentration gradient
Explanation:
Animals that got stuck and buried in sticky tar left their__ behind.
Animals that got stuck and buried in sticky tar left their bones behind.
The sequence below represents the organization of genetic information in the nucleus of the cell.One term in the sequence is represented by X. DNA --> X --> chromosome. The X in the sequence most likely represents a
The sequence with the correct word in place would be DNA --> Gene --> Chromosome
Organization of genetic informationThe basic unit of genetic information is the gene.
Genes are made up of a base sequence of DNA.
Genes are organized into structures known as chromosomes.
Thus, DNA --> Gene ---> Chromosomes
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When a new mutation occurs in a somatic cell of a secually reproducing organism, what percentage of the individual's offspring are likely to inherit the mutation?-
A) 100%
b) 75%
c) 25%
D)0%
When a new mutation occurs in a somatic cell of a secually reproducing organism, what percentage of the individual's offspring are likely to inherit the mutation is 0%.
What are somatic cells?In humans, somatic cells are diploid, that means they include units of chromosomes, one inherited from every determine. DNA mutations in somatic cells can have an effect on an individual, however they can not be surpassed directly to their offspring.
As new mutation occurs in a somatic cell of a reproducing organism, then percentage of the individual's offspring are likely to inherit the mutation is 0 % as they cannot be inherited.
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____________________ have beautiful glass-like shells.
Answer:
Glass FrogsGlasswing ButterflyBarreleyeGlass OctopusCrocodile IcefishTortoise Shell BeetleSalpsTransparent Sea CucumberGlass SquidJellyfish
Explanation:
Vitamin B-12 and folate play a role in forming the amino acid methionine from the toxic amino acid _____.
Answer:
Homocysteine
Explanation:
The parts of the spinal cord that control the upper and lower limbs are larger because more ______ are located there.
Answer:
Neuron cell bodies
Explanation:
Neuron cell bodies are located in the central nervous system, which includes the brain and spinal cord. They're also apart of the peripheral nervous system in the ganglia.
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Go outdoors and look for ten different plants. See if you can figure out which type of seed dispersal each plant uses, and make notes about each one. Some may have more than one method of dispersal. If you find a plant that you suspect disperses seeds in a way that you haven't studied, try to figure out how the plant does it. When you're finished, write your discoveries in a list with the name of the plant you observed (if you know it; otherwise, describe the plant).
Some you wouldn't see by stepping outside, but it gives you a general understanding of what you should be looking for.
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5. Traits are passed from parents to offspring. These traits are
determined by
Answer: Genes
Explanation: Traits are determined by genes
So long as all five Hardy-Weinberg conditions remain true within a population, we consider them to be at __ as evolution cannot possibly happen
gene pool
allele frequency
genetic equilibrium
allelic equilibrium
Answer:
genetic. equilibrium
Explanation:
because that is how it should be
The nucleic acid DNA is an organic compound. DNA is made up of repeating subunits called ___________________. Each DNA molecule consists of _____ long chains of nucleotides. A DNA nucleotide has three parts: a sugar molecule called ________________; a ________________ group, and a molecule that is referred to as a ________________ _______ because it contains nitrogen atoms. The deoxyribose sugar and the phosphate group are identical in all DNA nucleotides. However, the nitrogenous base may be any one of _______ different kinds. The four nitrogenous bases found in DNA nucleotides are ________________, ________________, ________________, and ________________. The two strands of a DNA molecule are held together by ____________________________ ________________.
Answer:
The nucleic acid DNA is an organic compound. DNA is made up of repeating subunits called nucleotides . Each DNA molecule consists of 2 long chains of nucleotides. A DNA nucleotide has three parts: a sugar molecule called deoxyribose ; a phosphate group, and a molecule that is referred to as a nitrogenous base because it contains nitrogen atoms. The deoxyribose sugar and the phosphate group are identical in all DNA nucleotides. However, the nitrogenous base may be any one of 4 different kinds. The four nitrogenous bases found in DNA nucleotides are adenine, thymine, cytosine, and guanine. The two strands of a DNA molecule are held together by hydrogen bonds.
Explanation:
These are biology facts.
During Prophase 1, chromosomes from each parent pair up
based on their similarity. These paired chromosomes are called
what?
What happens to the abundance of angiosperm and gymnosperm pollen fossils after the K-T boundary?
Answer:
The KT boundary mark a mass extinction event the KT boundary is the time between the Cretaceous and Tertiary period.And asteroid hit the Earth at the end of the cretaceous and that caused the end of the cretaceous period. Before the KT boundary, pollen from angiosperms and gymnosperms is high. After the meteor hits the earth a mass extinction occurs and the amount of pollen from gymnosperms and angiosperms decreases dramatically, while the amount of spores from ferns increases. During the Cretaceous period there where many species of gymnosperms and angiosperms but they disappeared at the KT boundary, when the asteroid hit the earth
Which part of the cell membrane is
primarily nonpolar?
A exterior
B. interior
C, neither
Answer:
it is complicated but you add 1+1 and get two
Part A
Isobars are smooth lines that connect points of equal pressure on a map. They can be used to identify high- and low-pressure areas. In a high-pressure region, the air contracts and becomes warmer as it sinks. These regions are usually associated with dry weather caused by the evaporation of moisture. Low-pressure regions usually bring precipitation, because the air cools as it rises and the water vapor condenses. In the Northern Hemisphere, the wind blows clockwise around high-pressure areas and counterclockwise around low-pressure areas.
Question
This map shows the surface air pressure across the United States. The units are rounded to the nearest millibar. Follow the steps to complete the drawing.
Step 1: Isobars. Locate all points of 1024 millibar (mb) pressure in the northwest United States. Similar to a dot-to-dot coloring book, use a black pen to connect all four of the 1024 mb points. Your line should start and end at the point of 1024 mb pressure in Utah. Repeat this procedure with the next isobar value until all the points on the map have isobars running through them. Be sure that no set of isobars crosses another. Remember that not all isobars will be closed circles. Label each of your lines with the last two digits of the pressure reading (24, for example).
Step 2: Air Pressure. Locate the areas of the highest and lowest pressure on your map. Label these centers with a large blue letter H and a red letter L, respectively.
Step 3: Weather Conditions. Based on air pressure, locate the regions where you would expect to see rain or snow and shade them in green. Then shade the regions where you would expect to see clear skies in yellow.
Step 4: Wind Direction. Indicate the wind direction by drawing pink arrows around the letter H and around the letter L on your map.
Isolines are used to read create climatic maps. They provide information about barometric pressure, weather conditions, winds direction and speed.
How to interprete a climatic map?Meteorology is determined mainly by barometric pressure, which is the pressure exerted by atmospheric air on the earth's surface. It is measured in millibars.
Barometric pressure systems are closely associated with weather patterns, which is why it is used to create climatic maps.
Pressure,
An average pressure system ⇒ 1013 mb. A high-pressure system ⇒ 1030 mb.A low-pressure system ⇒ 1000 mb.Isobars,
Used to read barometric pressures in climatic mapsThese are curve lines that indicate the areas with the same barometric pressures.
They are arranged in concentric figures, one inside the other one. The smallest one indicates the pressure center.
- High-pressure center is indicated with an H
- Low-pressure center is indicated with an L
Isobars are significant when determining wind speed and direction.Wind direction:
- In High-pressure center is indicated with
clockwise arrows in the northern hemisphere
- In Low-pressure center is indicated with
counterclockwise arrows in the northern hemisphere
Wind speed:
The closer isobars are between each other, the stronger and faster the wind is.
HIGH-PRESSURE SYSTEMS
Isobars: Isobars are more separated from each other.Mass of dense, cold, or cool and dry air. Since the air is dense it tends to descend.Air pressure: high - around 1030 mb-Weather conditions: clear, cloudlessWind direction: clockwise in the northern hemisphere, counterclockwise in the southern hemisphereLOW-PRESSURE SYSTEMS
Isobars: close to each otherMass of light, warm and wet air. Since the air is light, it tends to ascend, creating clouds and rains.Air pressure: low -around 1000 mb-Weather conditions: cloudy, rainy, stormy. Wind direction: clockwise in the northern hemisphere, counterclockwise in the southern hemisphereYou can learn more about isobars in climatic maps at
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COMPARE AND CONTRAST RENEWABLE AND NON RENEWABLE RESOURCES. PROVIDE AN EXAMPLE OF EACH.
Answer:
Renewable resources can easily be replenished, but not always available. They are called natural resources. Wind energy, solar from the sun, etc.
Nonrenewable resources are resources we can easily run out of. They emit pollution in the air and are not natural. Coal, oil, etc.
Explanation:
Why did the student do three tests and calculate a mean?
Answer:
to get a good grade???
Explanation:
Plant and animal cells are eukaryotic cells because they have which organelle?
Answer:
Eukaryotic cells, like plant and animal cells, have membrane-bound organelles like the nucleus and mitochondria.
Explanation:
Which vein is the only vein that carries oxygen-rich blood?.
Answer:
pulmonary vein
Explanation:
The pulmonary veins bring oxygen-rich blood to the left atrium.
Please let me know if im wrong.
Which of the following statements correctly defines geology?
a). It is the scientific study of the history of Earth and the processes that shape it
b). It is the scientific study of the history of the solar system and the process that shape it
c). It is the scientific study of the development of life on Earth and the processes that change it
d). It is the scientific study of the structure of Earth's atmosphere and the processes that change it
Answer:
A.
Explanation:
A). It is the scientific study of the history of Earth and the processes that shape it.
The atrioventricular valves open during __________.
Answer:
diastole
Explanation:
The right side of the heart receives: ____________
a) oxygenated blood from the pulmonary circuit.
b) deoxygenated blood from the pulmonary circuit.
c) deoxygenated blood from the systemic circuit.
d) oxygenated blood from the systemic circuit.
Answer:
b
Explanation:
The pulmonary circulation is a division of the circulatory system in all vertebrates. The circuit begins with deoxygenated blood returned from the body to the right atrium of the heart where it is pumped out from the right ventricle to the lungs.
The right side of the heart receives deoxygenated blood from the pulmonary circuit.
What is the function of the right side of heart?The pulmonary circulation carries the oxygen-poor blood from the right ventricle to the lungs, where it obtains a new blood supply. Returning the oxygenated blood to the left atrium follows. The right side of your heart draws blood from your veins that is deficient in oxygen and pushes it to your lungs where it is oxygenated and removed of carbon dioxide. Blood that has been oxygenated by your lungs is drawn from the left side of your heart and circulated through your arteries to the rest of your body.learn more about heart here: https://brainly.com/question/988627
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are three nucleotide units of information in mRNA that specifies a particular amino acid. They correspond to complementary sets of three nucleotides on tRNA called
Answer:
anticodontRNAs
Explanation:
bring their amino acids to the mRNA in a specific order. This order is determined by the attraction between a codon, a sequence of three nucleotides on the mRNA, and a complementary nucleotide triplet on the tRNA, called an anticodon. This anticodon also specifies the particular amino acid that the tRNA carries.
Isotopes are atoms of the same element with the same number of protons and ?
Answer:
electrons
Explanation:
Isotopes are atoms of the same element that have a different number of neutrons but the same number of protons and electrons. Having a different number of neutrons only changes the mass number of the atom, but the charge is the same.
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hello humans ~
Based on the following options, how does a plant cell differ from an animal cell?
A. Cell wall
B. Both A and B
C. Mitochondrion
D. Chloroplast
Answer:
None of these? It's A and D.
Explanation:
None of these are correct as plant cells are unique in that they have a cell wall and chloroplasts. Was option B supposed to say A and D?
What is a characteristic that cells and viruses share in common?
Answer:
DNA
Explanation:
how a mutation in DNA can lead to the symptoms of piebaldism?
Answer:
skin that lack pigmentation.
Explanation:
The KIT gene mutations responsible for piebaldism lead to a nonfunctional KIT protein. The loss of KIT signaling is thought to disrupt the growth and division (proliferation) and movement (migration) of melanocytes during development, resulting in patches of skin that lack pigmentation.
What five essential elements must be present to provide a proper habitat for wildlife?.
food, water, cover, space, and the arrangement of the previous 4 (animals need to be able to GET to those 4 elements)
When was ancestry dna born
when adaption is most likely to help a catus survive in the dry climate?
Answer:
main ng sardines taco pre
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Some scientists have suggested that the Protista kingdom should be split into several groups instead of remaining as one group. Which of the following provides the best argument for dividing up the Protista?
1: Sporozoan Protista are more similar to the Fungi than they are to any of the other groups of Protista.
2: Colonial Protista have much more in common with other multicellular organisms than they do with unicellular Protista.
3: The Protista that have nuclei are significantly different from the rest of the Protista that lack a nucleus.
4: Protista do not have specialized cells and have varying methods to obtain their food.
Answer:
Number 4 is correct
Explanation:
I took the test and got it right
Protista do not have specialized cells and have varying methods to obtain their food. Thus, Option D is correct.
what are major characteristic features of Protista ?Protists are simple ancient unicellular eukaryotic organisms. They are neither plant nor animal and fungi, mostly live in water, on substrate, as parasite etc.
Some multicellular protists are also found such as kelp.
It has nucleus and membrane-bound organelles, autotrophic or heterotrophic depending on mode of nutrition.
A phenomenon called symbiosis is observed in this kingdom
Some protists show parasitism, for example Trypanosoma protozoa causative agent of sleeping sickness in humans.
Two locomotory organs cilia and flagella nd also pseudopodia are observed in kingdom, aerobic mode of respiration occur.
Both sexual reproduction or syngamy and asexual reproduction occur. They are classified into protozoa or animal like, fungus like, and plant-like.
Thus, Option D is correct.
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