Answer:
one
Explanation:
Scientists suspect that Mars once had abundant liquid water on its surface. For this to have been true, early Mars must have had __________ than Mars today. Group of answer choices
Higher atmospheric pressure and stronger greenhouse effect leads to the presence of water on the surface of Mars planet.
Mars must have had higher atmospheric pressure as well as stronger greenhouse effect than Mars today which is responsible for the presence of water in liquid form on its surface but when the disturbance or change occurs in the atmospheric pressure as well as greenhouse effect of the Mars planet.
The water that was present on the surface vaporized and removed from the planet so we can conclude that higher atmospheric pressure and stronger greenhouse effect leads to the presence of water on the surface of Mars planet.
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Match the layer of the atmosphere with its correct characteristic.
Exosphere A) Gases are mixed together here as they drive global air circulation
Thermosphere B) Has no upper boundary, as it separates the other layers from space
Mesosphere C) Energy from the sun causes gas particles to become ions
Stratosphere D) A dense layer containing breathable air and clouds in the sky
Troposphere E) A dry layer with few clouds and very thin air
Ansswer:
Exosphere has no upper boundary, as it separates the other layers from space.
Thermosphere has energy from the sun that causes gas particles to become ions.
Mesosphere consists of gases that mix together as they drive global air circulation.
Stratosphere has a dry layer with few clouds and very dry air.
Troposphere is a dense layer containing breathable air and clouds in the sky.
Explanation:
Just took the test and got 100!
Cranial nerves are which of the following types of nerves?
Answer:
All of the above
Explanation:
Using the science behind macro-nutrients, why marathon runners are so skinny?
Which of the following would most likely utilize a particulate control device?
Answer:
D all of the above
Explanation:
Took the test
\The scientific study of the transmission of traits from one generation to the next is called __________.
i’m pretty sure heredity (also called inheritance or biological inheritance)
Answer:
The answer is Genetics
Hope this helps
A cell that has a cell wall is undergoing cell division, and the following events are observed: the formation of a cell plate and the division of the cell into two daughter cells. What type of cell is being observed
Answer:
Plant cell; telophase and cytokinesis of mitosis
Explanation:
Took the Exam.
the skeletal muscles are innervated by __________.
Answer:
Some kind of neuron
Explanation:
I'm sorry I'm not too sure- it's some kind of neuron. It may be a motor Neuron? Try looking it up.
The skeletal muscles are innervated by a single motor axon.
What do you mean by Skeletal muscles?Skeletal muscles may be defined as a muscle that is connected to the skeleton to form part of the mechanical system. These muscles perform a wide range of movements and functions.
Each skeletal muscle fiber is innervated by a single motor axon. The same axon may also innervate other muscles fibers. It is also referred to as a motor unit.
Therefore, the skeletal muscles are innervated by a single motor axon.
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The apparatus shown in the diagram can be used to measure the change in rate of photosynthesis in pondweed when the lamp is moved closer or further away from the pondweed. What would change to cause an increase or decrease in that rate?
Answer:
the oxygen will increase and make bubbles in the water the thing that will decrease is CO2
hope this helps you
Explanation:
plants take sunlight water and CO2 to make sugars this also creates oxygen
this process is called respiration
Answer: light/light intsensity
Explanation:
rna processing converts the rna transcript into _____.
Which type of genetic disorder cannot be predicted by a Punnett Square?
A single-gene disorder
B sex-linked disorder
C random mutation
Random mutation is a type of genetic disorder which cannot be predicted by a Punnett Square. Therefore, option (C) is correct.
What is a Punnett Square?A Punnett Square is a tool used in genetics to predict the probability of inheriting specific traits or genetic disorders. It is named after Reginald Punnett, a British geneticist who developed this method. The Punnett Square is typically used for single-gene disorders, which are caused by mutations in a single gene. By crossing individuals with known genotypes, the Punnett Square can help determine the likelihood of offspring inheriting a specific disorder.
However, it is important to note that Punnett Squares are not applicable for all types of genetic disorders. They are most useful for disorders inherited in a Mendelian pattern, where a single gene controls the trait. Other types of genetic disorders, such as those caused by random mutations or complex interactions between multiple genes and environmental factors, cannot be accurately predicted using a Punnett Square alone. These types of disorders often require more complex genetic testing and analysis.
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Which of the following regulates thirst?
Answer:
Hypothalamus is correct
Explanation:
The homologous chromosomes separate during ____________________ and their sister chromatids separate during _____________ phase of meiosis.
Answer:
anaphase I chromosomes separate
anaphase II sister chromatids separate
Prophase I and metaphase I are the first two stages of meiosis I, respectively. Two kinetochore microtubules from each of the two opposite poles bind to the bivalent chromosome's centromere during anaphase II.
What are the characteristics of anaphase I and anaphase II?The centromeres of each chromosome simultaneously separate during the anaphase II stage of meiosis II, and the sister chromatids are drawn apart in the direction of the opposing poles.
A microtubule network referred to as the spindle apparatus is used to transport chromosomes to both poles of a meiotic cell at this stage. Through this technique, two distinct groups of homologous chromosomes are formed.
Therefore, The homologous chromosomal pair's individual kinetochore-microtubules are joined to each chromosome during anaphase 1.
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As humans age, the body systems are affected. The ____________ becomes thinner and less elastic due to a decrease in the number of elastic fibers and the cross-linking of collagen fibers.
Answer:
Skin, I believe
Explanation:
plants are interacting directly with another living component of their environment when they are
Answer:
attracting insects.
Explanation:
Which letter represents the hormone that promotes a decrease in blood pressure and increases the excretion of sodium and water in urine
Answer:
La hormona vasopresina promueve la retención de agua desde los riñones.
Explanation:
During the second stage of aerobic cellular respiration, which molecule combines with the products of the first stage?
A) water
B) energy
C) oxygen
D) glucose
this is on edge2020
Answer:
Water
Explanation:
A carrier is someone who "carries" a recessive allele but who has the dominant trait because he or she is heterozygous.
False
True
Answer:
True is the answer
Explanation:
Brainlilest meMost people in the United States practice __________. a. homogamy b. heterogamy c. exogamy d. polygam
Most people in the United States practice homogamy.
Homogamy is the practice that involves individuals marrying each other because they have similar characteristics such as race/ethnicity, religious background, age, education background, or social background.
From research, In the United States, most marriages are homogamous. In 2016 educationally homogamous marriages accounted for more than half of the total marriages.
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the family that has woody stems, fleshy fruits, and cup- shaped blossoms with five petals
Answer:
rose
Explanation:
this epithelial tissue is located in the respiratory tract, is equipped with ____ on its free surface
Answer:
CILIA
Explanation:
This is Ciliated Columnar tissue found in the respiratory tract and it is equipped with cilia on its free surface to help remove partical matter. Hope this helps :)
Summarize any four ways prokaryotes are important or helpfull to the environment and human
Answer:
Prokaryotes are important to all life on Earth for a number of reasons.
Explanation:
They play a critical role in the recycling of nutrients by decomposing dead organisms and allowing their nutrients to be re-used.
They are also important for many metabolic processes. Bacteria in our guts and mouth help with the digestion of food by breaking down difficult to digest carbohydrates and other compounds. Recent research has suggested that the microbial community in our guts can be a significant factor contributing to obesity.
Can someone help me please
Answer: See explanation
Explanation: If Homzygous means to be the same and heterzyous means to be different. If you have a 50% chance of purple and 50% of white offspring the Purple flower would be PP and the white would be Pp.
In sensory pathways, secondary neurons synapse on cell bodies of tertiary neurons within the ______.
Answer:
The Thalamus
Explanation:
why is it important that the time humans have spent on earth is so little, yet our influence has been so large?
Answer: Life is an experience, and and no matter how much time you have on Earth, you will impact something. Over time we have become more sophisticated therefore making bigger influences.
Explanation: Life is an experience, and and no matter how much time you have on Earth, you will impact something. You can make small influences, like to other people around you. You can make larger influences, like inventing something. Humans are able to influence so much because we are a sophisticated species of mammal. Our brains are more complex, giving us a bigger advantage to other animals. Animals do help with influencing the world, but overall with the human brain and smarts, we are able to make the most influence on the world with evolving ideas.
Which of the following best describes how mitosis is related to cellular
reproduction?
10 points
Mitosis is a phase in asexual reproduction that results in the formation of similar, but
not identical, nuclei in the daughter cells.
Mitosis is a phase in asexual reproduction that results in the formation of identical
nuclei in the daughter cells.
Mitosis is a phase in sexual reproduction that results in the formation of similar, but
not identical, nuclei in the daughter cells.
Mitosis is a phase in sexual reproduction that results in the formation of identical
nuclei in the daughter cells.
Mitosis and Meiosis are forms of reproduction that cause new cells to result from existing cells. The option that best describes how mitosis is related to cellular reproduction is;
Mitosis is a phase in asexual reproduction that results in the formation of identical nuclei in the daughter cells.Mitosis is a reproductive process that takes place in single-celled (unicellular) organisms. It results in the formation of two somatic cells from the mother cell.
Since no sex is required for mitosis to take place, it is referred to as asexual reproduction. Mitosis can also take place in the somatic cells of multicellular organisms.
So, the basic description of mitosis is that it is a phase in asexual reproduction that results in the formation of identical nuclei in the daughter cells.
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Answer: d
Explanation:
Fill in the blanks. Regulatory transcription factors bind to ________________, while general (or basal) transcription factors bind to _________________. Group of answer choices
Answer:
mmdwvrtgshbfeuhe
Explanation:
As red blood cells begin to clump together to form a clot, __________ reinforces the clumped red blood cells.
Answer:
it is reinforced back by the fibrinogen
When looking at the sequence of a variety of genes, which species' genes would you predict to have the most similar sequence compared to the corresponding genes in humans
Answer:
Explanation:
One of the most important aspects of bioinformatics is identifying genes within a long DNA sequence. Until the development of bioinformatics, the only way to locate genes along the chromosome was to study their behavior in the organism (in vivo) or isolate the DNA and study it in a test tube (in vitro).
Which of these is a trna?.
Answer:
tRNA looks like this:
