Answer: B and D
Explanation: I just got it wrong
Answer:
the answer is B & D
I got the test wrong and here is the answers
1- Define Photosynthesis.
Answer: the process in which plants use sunlight to synthesize food from carbon dioxide and water.
Explanation:
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.
Which of the following is NOT an aspect of organisms found in the Plant Kingdom?
Movement
Sexual Reproduction
Multi-Celled
Autotrophic (Makes its own food)
Question 1. What change led to an increase in the number of light-colored moths within the population?
1. More mutations
2. Decreased pollution
3. More dark colored trees
4. Fewer humans
Question 2. Claim: Individuals in a population have genetic variations that can be passed on to their offspring. Refer back to the rabbits in the desert from the natural selection activity we did in class. How could an organism's traits influence the survival rate of the population?
Answer: 1. 1. More mutations. 2. According to Charles Darwin's theory of evolution by natural selection, organisms that possess heritable traits that enable them to better adapt to their environment compared with other members of their species will be more likely to survive, reproduce, and pass more of their genes on to the next generation.
Explanation:
Which of the following is NOT true regarding cross-sectional studies? (2 points)
A. Good for generating hypotheses.
B. Not used for diseases that are rare or of short duration.
C. Permit the determination of population characteristics.
D. The temporal relationship between exposure and disease can be determined.
The temporal relationship between exposure and disease can be determined, option D is correct.
Cross-sectional studies are not suitable for determining the temporal relationship between exposure and disease. Cross-sectional studies provide a snapshot of data collected at a specific point in time, capturing information on both exposure and disease prevalence simultaneously. However, they do not follow individuals over time to establish a cause-and-effect relationship. Since cross-sectional studies collect data at a single time point, they cannot determine the sequence of events or whether exposure preceded the disease.
To establish temporal relationships, longitudinal studies are typically employed, where individuals are followed over time to assess exposures and track the development of diseases, allowing for better assessment of causality and temporal associations between exposure and outcome, option D is correct.
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How did the animals near orchard park all die
Answer:
Scientists have shown that the ash that killed and eventually buried the animals at the park blew eastward from a huge volcanic eruption in what is now southwestern Idaho.
La división celular sucede en 2 fases, en primer la lugar la división del ______________ y después la división del __________________ *
Explain how cells respond to hormonal stimulation, and refer to
enhancement of
survival and reproduction of the plant
Cells respond to hormonal stimulation by activating specific signaling pathways that trigger a series of molecular and physiological responses.
When a hormone binds to its receptor on the cell surface or inside the cell, it initiates a cascade of events that ultimately lead to changes in gene expression and cellular activities.
These responses are crucial for the enhancement of the survival and reproduction of the plant.
Upon hormonal stimulation, signal transduction pathways are activated, which can involve the activation of second messengers, protein kinases, and transcription factors.
These molecular components relay the hormonal signal from the receptor to the nucleus, where gene expression is modulated. The altered gene expression leads to the synthesis of proteins that play essential roles in the plant's survival and reproduction.
For example, hormone-induced gene expression can regulate processes such as seed germination, flowering, fruit development, and stress responses. These responses are essential for the plant's adaptation to its environment, ensuring its survival in challenging conditions and promoting reproductive success.
Furthermore, hormones also influence cellular processes related to plant reproduction. They regulate the development of reproductive structures, such as flowers, and influence the timing of flowering. Hormones also play a role in pollination, fertilization, and seed development.
For instance, auxins and gibberellins are involved in promoting flower and fruit development, while abscisic acid influences seed dormancy and germination.
By modulating these reproductive processes, hormones contribute to the successful reproduction and propagation of the plant species.
In summary, cells respond to hormonal stimulation by activating specific signaling pathways, leading to changes in gene expression and cellular activities.
These responses are crucial for enhancing the survival and reproduction of plants, enabling them to adapt to their environment, and ensuring successful reproduction and propagation of the species.
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Which hormones causes ejection of milk making it accessible for the infant?
Answer:
Oxytocin.
Explanation:
Oxytocin causes ejection of milk making it accessible for the infant.
“Oxytocin. The oxytocin reflex is also sometimes called the “letdown reflex” or the “milk ejection reflex”. Oxytocin is produced more quickly than prolactin. It makes the milk that is already in the breast flow for the current feed, and helps the baby to get the milk easily.”
hope this helps!
_____________ are present in an organism, but they don't function in the same way they used to. HELP ILL GIVE BRAINLIEST!!! picture attached as well.
A.Embryos
B.Analogous structures
C.Vestigial structures
D.Homologous structures
Answer: D.Homologous structures
Explanation:
As a general principle of gene regulation through operons: a. regulatory genes encode trans-acting proteins that interact with cis-acting DNA elements b. regulatory genes encode cis-acting proteins that interact with cis-acting DNA elements c. regulatory genes encode cis-acting proteins that interact with trans-acting DNA elements d. regulatory genes encode trans-acting proteins that interact with transacting DNA elements
As a general principle of gene regulation through operons, (A) regulatory genes encode trans-acting proteins that interact with cis-acting DNA elements. This corresponds to option A.
Operons are functional units of DNA that consist of a cluster of genes with related functions, along with associated regulatory elements. The regulation of operons is crucial in controlling gene expression in prokaryotes.
Regulatory genes encode trans-acting proteins, also known as transcription factors, that can diffuse throughout the cell and interact with specific DNA sequences known as cis-acting elements. These cis-acting elements are located within the operon or in the vicinity of the operon.
The trans-acting proteins produced by the regulatory genes bind to the cis-acting DNA elements, which can be promoter regions, operator sites, or enhancer sequences. By binding to these elements, the trans-acting proteins can either activate or repress the transcription of the genes within the operon.
Therefore, the correct answer is option A: regulatory genes encode trans-acting proteins that interact with cis-acting DNA elements in the regulation of gene expression through operons.
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UNA FUENTE DE ALIMENTOS QUE SOLO LAS ARDILLAS SON IMPACTADAS TANTO EN EL ECOSISTEMA ??
A FOOD SOURCE THAT ONLY THD SQUIRRELS ARD IMPACTED THE ECOSYSTEM SO MUCH??
What does it mean to ‘translate’ something? What is being translated in protein synthesis?
Answer:
Answer:
Translation is the process of translating the sequence of a messenger RNA molecule to a sequence of amino acids during protein synthesis. The genetic code describes the relationship between the sequence of base pairs in a gene and the corresponding amino acid sequence that it encodes.
For a second i thought you meant to translate something to another language lol.
need answers asap if you want points tell me in the COMMENTS and I'll be happy to make something just for u!! Just do not answer if you don't know or if you just want points. Thanks I love you your a lifesaver!! Pls tell me 6-9, the others I have already
survivorship curves are used to study the following? a. study various factors in humans that cause social inequalities b. control or manage invasive species in an ecosystem c. used for managing the fishing industries d. field studies are done to assess when organisms are at the peak of reproduction to increase the population for species conservation e. all the answers are correct
Survivorship curves are used to study the field studies that assess when organisms are at the peak of reproduction to increase the population for species conservation. The correct option is d.
Survivorship curves are visual representations of mortality data for a population. The curve is a graph of the proportion of a cohort still alive at each age, which can be displayed in different types.
The different survivorship curves types include Type I, Type II, and Type III. These curves help ecologists understand the life history of the species of interest. As well as, the expected age at death, death rate, and mortality patterns. The correct option is d.
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What is the name of this table?
Answer: Periodic table
Explanation:
Answer: Periodic table of the elements
The periodic table, also known as the periodic table of elements, is a tabular display of the chemical elements, which are arranged by atomic number, electron configuration, and recurring chemical properties. The structure of the table shows periodic trends.
Select the correct answer. Which of the following is an example of an amphiarthrotic joint?
a. suture
b. elbow
c. hip
d. interosseous membrane
The correct option is d. interosseous membrane . An interosseous membrane is an example of an amphiarthrotic joint.
The interosseous membrane is a fibrous connective tissue structure that spans between two adjacent long bones in the body, providing stability and transmitting forces between them. It is most commonly found between the radius and ulna in the forearm and the tibia and fibula in the lower leg.
The interosseous membrane acts as a flexible barrier, maintaining the appropriate distance and alignment between the bones while allowing a limited degree of movement. It helps distribute forces generated during activities such as weight-bearing, gripping, or rotational movements across the two bones, preventing excessive stress on any one bone.
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True or false cooler material in the asthenosphere faces towards lithosphere
Answer:
the answer is yes hope this helped
below are 4 terms. look at these terms. then, determine which of those 4 terms includes or incorporates the other 3 terms? terms to examine: (1) community, (2) population, (3) species, (4) ecosystem
The term "ecosystem" incorporates the other three terms: community, population, and species.
An ecosystem refers to a complex system where living organisms, their physical environment, and their interactions exist. Within an ecosystem, there are various levels of organization. At the lowest level, we have individual organisms of the same species, which form populations. Populations of different species then interact within a given area, forming a community. A community comprises different populations coexisting and interacting with each other. Lastly, an ecosystem includes both the biotic (living) and abiotic (non-living) components, encompassing all communities, populations, and species present within a specific geographic area. In this way, the concept of an ecosystem incorporates and integrates the interactions and relationships between communities, populations, and species, providing a holistic understanding of the environment.
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Evaluate Candidate Target Sequences Because the sgRNA sequence determines where Cas9 cuts DNA, it may cut DNA anywhere it encounters a complementary sequence, even in undesired locations. Such unintended cuts are called off-targets. the sgRNA and DNA shown that Cas9 sometimes cuts DNA even when there are mismatches between the potential to be off-target cut sites, means DNA sequences that only partially match the sgRNA have. the potential to be off-target cut sites, although the PAM sequence is still required. In general, the more mismatches there are between a DNA sequence and the sgRNA, the less likely Cas is to cut. 1. Develop three criteria that could be used to rank the candidate target sites according to their as well as the information you considered fresults you have collected in your BLAST search select criteria. For each criterion, explain how the readings and focus questions as you By the cvaluation of the con it will help you evaluate a potential target site. these criterias, researchers are atidate target sites basedion effective sites for theraputir able to select the Safest and risies of unintended mutations use. This can help minimice the benefits of genome editing and other effects. While marimizi and other diseases. 2. Use your criteria to evaluate and rank the candidate target sites you selected in Part 1, step 3. Write a claim about which candidate target site is the best option for your therapeutic application, based on your evaluation, and provide reasoning.
Three criteria can be used to rank candidate target sites for therapeutic use:
number of mismatches between the sgRNA and DNA sequence, proximity to genes,and presence of regulatory elements. Why is this so ?Target site 1 is the best option for therapeutic use because it has only one mismatch between the sgRNA and DNA sequence, is located near a regulatory element,and is likely to be effective in treating the disease.
Note that regulatory elements are sequences of DNA that control the expression of genes. They can be used to turn genes on or off, or to control the amount of protein that is produced from a gene.
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Over several generations,a species of insect becomes resistant to a pesticide that farmers commonly use.what type of selection is this an example of,and why
Select one
Artificial selection,because only individuals with the resistant trait survive
The type of selection where a species of insect becomes resistant to a pesticide that farmers commonly use is Natural selection.
What describes naturakl selection?Natural selection is the process by which organisms with traits that are better suited to their environment are more likely to survive and reproduce. In this case, the insects that are resistant to the pesticide are more likely to survive and reproduce, because they are not killed by the pesticide.
This means that the next generation of insects will have more resistant individuals. Over time, this can lead to a population of insects that is completely resistant to the pesticide.
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what happened in the step immediately before the phase pictured here to cause this problem
Answer:
come again..not got the question
At a certain age the brain takes over your writing skills, it becomes a subconscious task.
True or False?
The Tibetans and Han Chinese share several genetic traits and DNA. However, the EPAS1 gene, which increases the ability of red blood cells to carry oxygen even in low oxygen environments, is only commonly found in the Tibetan population that live in higher elevations. Explain why this gene is only common in Tibetan populations from the perspective of competitive advantage and natural selection. Write your answer in three to five sentences.(4 points)
Answer:
When in higher altitudes, ticker blond has a tendency to cause problems like heart attack's, however the Tibetans have adapted to the high altitudes and this has made their blood thinner in order to keep them safe in the altitudes, including that it has low oxygen rates in the altitude therefore providing more oxygen in the bloods cells.
Explanation:
:D It's not my best explanation but I hope this helps <3.
Owing to the fact that ability of the redblood cells to to carry oxygen even in low oxygen environments is neccessary at high elevations, the Tibetan population that live in higher elevations are found to possess the EPAS1 gene.
What is natural selection?The term natural selection refers to the fact that organisms that are better adapted to their habitat will live longer and reproduce. Now we have to note that owing to the elevation at which they live, the people that possess this EPAS1 gene can cope with oxygen stress that could likely occur at a high altitude.
As such, the Tibetan population that live in higher elevations are found to possess the EPAS1 gene.
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Mice with a greater range of experience show higher levels of adult hippocampal neurogenesis__________
The design of the dage in which the rats were held for the duration of the experiment__________
Adult neurogenesis in the hippocampal region of the brain__________
A group of rats held in a standard cage for the duration of the experiment__________
A group of rats that spent the duration of the experiment in the enriched environment ubrated and described in Figure 1__________
As adults, the experimental group in the enriched environment had higher levels of ad and greater individual differences than the control group__________
Mice with a greater range of experience show higher levels of adult hippocampal neurogenesis - This statement suggests a positive correlation between the range of experiences and the levels of neurogenesis .
The design of the cage in which the rats were held for the duration of the experiment - This statement refers to the specific design or characteristics of the cage used in the experiment involving rats.
Adult neurogenesis in the hippocampal region of the brain - This statement indicates the occurrence of neurogenesis in the hippocampus.
A group of rats held in a standard cage for the duration of the experiment - This statement describes a specific group of rats that were kept in a regular or typical cage during the entire experiment.
A group of rats that spent the duration of the experiment in the enriched environment described and illustrated in Figure 1 - This statement refers to a specific group of rats that were exposed to an enriched environment,
As adults, the experimental group in the enriched environment had higher levels of ad and greater individual differences than the control group - This statement suggests that the adult rats in the experimental group
Neurogenesis refers to the process of generating new neurons (nerve cells) in the brain. Until relatively recently, it was believed that neurogenesis only occurred during embryonic development and that the adult brain was incapable of producing new neurons. However, research has shown that neurogenesis continues to occur throughout adulthood, particularly in two key regions: the hippocampus, which plays a role in learning and memory, and the olfactory bulb, involved in smell perception.
Neurogenesis is influenced by various factors such as physical exercise, environmental enrichment, and learning experiences. It has been linked to improved cognitive function, mood regulation, and emotional resilience. The discovery of adult neurogenesis has opened up new avenues for understanding brain plasticity and developing potential therapeutic strategies for neurological disorders and mental health conditions.
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2. The formation of a new community where another community already exists is known as ______.
A primary succession
B secondary succession
C pioneer community
D pioneer species
Answer:
B secondary succession
Explanation:
If a strand of DNA has the nucleotide sequence: AATGCT, what is the complementary sequence of RNA nucleotides that would be made from it?
Answer:
Explanation:
All the best
You catch, tag, and release 35 fish back into a pond. Then, you catch 70 more fish, 12 of which have tags on them,
What is the best estimate of the number of fish in the pond?
a 100
b 150
c 142
d 204
Answer:
100
Explanation:
70 + 35 is 105 and if the 12 fish were new it would be 117 which is almost 25 away from 142 but 17 away from 100. hope that makes since!
Answer:
204 d
Explanation: took the test
HURRY IT’S TIMED I’LL GIVE YOU BRAINLIEST
Which illustrates the relationship between cooling magma and mineral formation?
A. Darwins theory
B. Theory of relativity
C. Bowen‘s reaction series
D. Newtons principle of physics
Answer: C. Bowen‘s reaction series
Explanation:
please help tephographic map
Answer:
1 weathering 2 erosion 3 deposition
Explanation:
assuming this portrays a mountain the rain starts at the top eroding down the mountain carrying any sediment and then is deposited at the base
Help me please please
Answer:
use a search engine
Explanation:
the internet is a great way to answer these simply type in your term EX: Sun definition. and paraphrase the answer. so instead of the star around which the earth orbits you can say the sun is a star that keeps all planets in our solar system in orbit