What happens to allow your brain cells to take a different shape and function compared to your arm cell?
Gene expression allows one cell such as brain cell to take a different shape and function compared to the other cell such as arm cell.
What is Gene expression?
Gene expression is the process which involves the transfer of information from a gene that is used in the synthesis of a functional gene product enables the production of end products, such as protein or non-coding RNA, which ultimately affect the phenotype of an individual, as the final effect.
Gene expression depends upon several factors such as, genetic makeup, exposure to harmful substances, environmental influences, and age of the organism, all can affect gene expressivity and hence the phenotype of the organism.
In gene expression, genes which are inactive are silent or unavailable for the protein development in cells. Because of this reason, the cells which carry the same instructions becomes a brain cell and another a skin cell.
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what are the different compelments of cellular respiration
Answer:
Explanation: Cellular respiration is a multi-step process that cells use to convert biochemical energy from nutrients into adenosine triphosphate (ATP), and release waste products. It involves three main stages
Glycolysis: Glucose → 2 Pyruvate + 2 ATP + 2 NADH
Citric Acid Cycle: 2 Pyruvate → 2 Acetyl-CoA → 4 CO2 + 6 NADH + 2 FADH2 + 2 ATP
Oxidative Phosphorylation: NADH + FADH2 → ETC → Proton Gradient → ATP Synthase → ATP (approximately 34 ATP)
Overall, cellular respiration produces up to 38 ATP molecules from one molecule of glucose (2 from glycolysis, 2 from the Krebs cycle, and about 34 from oxidative phosphorylation), although the actual yield can be slightly lower due to varying efficiencies and conditions within the cell
Which of the following does not contribute to soil consistence? a. texture b. temperature c. organic matter d. mineral types Please select the best answer from the choices provided A B C D
horseshoe crabs are one of the only five living species of arthropods class
A) merostomata
B)chelicerata
C)Arachinda
D) none of the above
Answer:
A. merostomata
Horseshoe crabs are merostomata class
Explanation:
Merostomata is one of the five class of the phylum arthropoda. Horseshoe crabs are not crustaceans. They are the only living representative of a group that flourished successful over 300 million years ago on the earth. They have lived in the coasts of North America and Southeast Asia.
Taxonomy:
PHYLUM: arthropoda
SUBPHYLUM: chelicerata
CLASS: merostomata
ORDERS: xiphosura
FAMILIES: limulidae
A galaxy cluster is A. another name for a star cluster. B. a group of stars that cluster just outside a galaxy. C. another name for the Milky Way. D. a group of galaxies bound together by gravity.
Answer:
study island
Explanation:
Are primitive traits typical of broader or smaller clades?
Final answer:
Primitive traits are typical of broader clades as they are inherited from a distant ancestor and are shared among a large group of organisms, whereas derived traits are characteristic of smaller clades and indicate more recent evolutionary changes.
Explanation:
Primitive traits, also known as plesiomorphic traits, are typical of broader clades because these traits were present in distant ancestors. These traits persist over large groups of organisms that descend from a common ancestor. For instance, all mammals possess body hair because they share a common ancestor that exhibited this feature, making it a primitive trait within the clade of mammals. In contrast, derived traits, or apomorphic traits, are indicative of smaller clades as they represent changes that occurred after the clade diverged from other lineages. For example, the trait of walking on two legs is considered a derived trait in humans as it developed after our lineage split from other primates.
It is important to recognize that the classification of a trait as primitive or derived is relative and can vary depending on the taxa being compared. Additionally, when a lineage splits into two, it is common for one to retain more of the ancestral traits, while the other develops more derived traits. Understanding these traits helps us reconstruct evolutionary relationships and determine how closely related different species are within the clades they belong to.
Which wave has a disturbance that is parallel to the wave motion?
A) Longitudinal
B) Transverse
C) Surface
D) No wave has a disturbance that is parallel
Longitudinal waves
Explanation;Waves are a transmission of a disturbance from one point to another. Waves may be classified as longitudinal or transverse based on the vibration of particles relative to the wave motion.Longitudinal waves are waves in which the vibration of particles is parallel to the direction of wave motion. While transverse waves are waves in which the vibration of particles is perpendicular to wave motion.Longitudinal waves form regions called compressions where particles are close together and rarefactions where particles are more separated from each other. In a transverse wave regions of maximum displacement known as crests and troughs are formed.What is the relationship between the kinetic energy of molecules in a solid and a liquid? Justify your response in two or more complete sentences.
Answer:
Gases have more kinetic energy than liquids. Liquids have more kinetic energy than solids. When a substance increases in temperature, heat is being added, and its particles are gaining kinetic energy. Because of their close proximity to one another, liquid and solid particles experience intermolecular forces.
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It’s of the following is MOST LIKELY impact of clearing natural landscape to construct high-rise buildings?
A. Decrease in pollution
B. Scarcity of drinking water
C. Increase in animal
population
D. Abundance of non-native plants
Answer:
the answer is b. scarcity of drinking water
Explanation:
. The upper layer of desert soil is rich in minerals because?
A.strong winds form many minerals
B.there is little leaching
C.desert plants do not need minerals
D.few animals live there
The upper layer of desert soil is rich in minerals because there is little leaching. The correct option is B.
What is leaching?Leaching is a mass transfer process that occurs when a substance is extracted from a solid material that has come into contact with a liquid.
The normal mechanism by which water-soluble compounds from soil or waste are washed out is leaching.
In geology, leaching is the loss of soluble substances and colloids from the top layer of soil due to percolating precipitation. Materials that are lost are carried downward and typically redeposited in a lower layer.
As a result of this transport, the top layer is porous and open, and the bottom layer is dense and compact.
Because there is little leaching, the upper layer of desert soil is rich in minerals.
Thus, the correct option is B.
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What bodies of water erode and move enormous amounts of soil and rock
an amazing attribute of DNA is its ability to replicate. define replication and describe why this ability is so vitally important
What are the relative densities of these common household items and substances: dime, paperclip, plastic strip, Styrofoam, water, and cooking oil? This is the answer to the experimental question. (Write in complete sentences. Write one or more statements that put the items and substances in order according to density.)
Which two levels of classification are represented in an organism's scientific name?
Class and kingdom
Domain and phylum
Genus and species
Family and order
Answer:
Genus and species.
Explanation:
The system of the biological classification is important to classify the organisms into different group. Linnaeus is known as the father of biological classification.
The naming of the species that comprises two levels are known as known as biological nomenclature. The first name of the organism represents the genus and the second name represent the species to which the organisms belong.
Thus, the answer is option (3).
Analyze how twin studies help to differentiate the effects of genetic and environmental influences
Twin and adoption studies shed light on the relative influence of genetics and environment by examining the similarities between identical twins raised apart and between adopted children and their biological or adoptive families.
Twin studies are a cornerstone of quantitative genetics, which analyze degrees of similarity between individuals to infer the respective roles of genetic and environmental factors. Identical twins separated at birth and raised in different environments present a unique opportunity to isolate the effects of their genetic makeup from environmental influences, since they share identical genes but not the same environment.
An adoption study further aids in understanding nature vs. nurture, where researchers look for similarities between adopted children and their biological versus adoptive parents. A closer resemblance to biological parents suggests genetic influences, while greater similarity to adoptive parents indicates environmental effects.
Beyond twins and adopted individuals, family studies, including extended family, siblings, and half-siblings, expand our knowledge of genetic and environmental contributions to traits and behavior.
Sickle cell anemia is known to run in a family. A pedigree chart for this family is shown below
What percentage of the offspring are carriers of the disease but do not have it ?
which of the following is an example of a human-caused disturbances to an ecosystem?
A Tsunami destroys a coastal forest and causes flooding.
B- a river is diverted to irrigate farmlands during a drought
C- after a volcanic eruption global average temperatures lower
D- does snow cover of a region grows and shrinks throughout the year
Answer:
Option (B)
Explanation:
A river that is diverted to the irrigating farmland during a drought is an example of the human-caused disturbances to an ecosystem.
An ecosystem refers to a particular community within which the organisms exist and interact with each other. For example, fresh water ecosystem, desert ecosystem and forest ecosystem.
In the given situation, the river channel is disturbed by changing its flow direction. This is caused by the human activity, that changes the course of the river channel to the farmlands during a flood, so that the water can provide nutrient to the soil and prevent the soil from getting eroded.
Thus, by doing this, the river ecosystem gets affected, as a result of which the organisms existing in this ecosystem such as fishes are affected.
Hence, the correct answer is option (B).
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A dam being constructed across a river will cut off a large part of the river for native animals. What are the likely outcomes for the populations of the aquatic species and the ecosystem's carrying capacity for the aquatic species?
A.The aquatic species’ populations will increase, and the ecosystem’s carrying capacity will decrease.
B.The aquatic species’ populations will decrease, and the ecosystem’s carrying capacity will increase.
C.The aquatic species’ populations and the ecosystem’s carrying capacity will increase.
D.The aquatic species’ populations and the ecosystem’s carrying capacity will decrease
Answer: B.The aquatic species’ populations will decrease, and the ecosystem’s carrying capacity will increase.
Explanation:
Limiting factor can be define as the factor which is capable of reducing the population of a species. Carrying capacity can be define as the maximum number of the population of a species that a region or ecosystem can support in terms of availability of resources. The construction of a dam is likely to disturb the native habitat of the living species in the river. As it is going to cut the part of river. The construction of a dam is a limiting factor for aquatic animals species. Due to the decrease in the population of native animals the carrying capacity of a region will increase .
Final answer:
Dam construction impacts aquatic species populations and the ecosystem's carrying capacity by decreasing both due to altered river conditions and habitat loss.
Explanation:
The likely outcomes for the populations of aquatic species and the ecosystem's carrying capacity due to dam construction:
The aquatic species' populations will decrease due to altered river conditions, reduced flow, and habitat loss.
The ecosystem's carrying capacity for the aquatic species will decrease as the habitat is cut off, affecting the overall biodiversity and ecosystem health.
Therefore, option B The aquatic species’ populations will decrease, and the ecosystem’s carrying capacity will increase is the most likely outcome for the populations of aquatic species and the ecosystem's carrying capacity.
1. yellow (Y) is a dominant trait and green (y) is a recessive trait.
which combinations would result in a plant with yellow seeds ?
choose all that are correct
Yy
Yy
yy
( i think it’s YY and Yy)
5.(pictured) which statements best describe the relationship between genes and alleles?
Fungi are both beneficial and destructive. This fungus is living in and on the tree seen here. This is a ____________ relationship and could cause the tree to ______________. A) helpful; grow B) parasitic; die C) helpful; make fruit D) symbiotic; reproduce
Answer:
The correct answer will be option-D.
Explanation:
Fungi forms symbiotic or mutual relationship with higher plants known as mycorrhizae.
These mycorrhizae could be present on the tree parts like stem which form the ectomycorrhizae and some live inside the plant parts like in the roots and known as endo-mycorrhizae.
The fungi provide useful nutrient like they absorb phosphorus from the soil and provide it to the plants and in return plant give shelter to these fungi.
Thus, option-D is the correct answer.
Answer:
it is B parastic ; die
if all of the following imaginary planets were the same distance from the sun, which would experience the strongest force of gravity due to the sum?
A; Planet A
B Planet B
C: Planet C
D; Planet D
Answer:
D; Planet D 100,000 kg
Explanation:
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Under what climatic conditions does wind transport and erosion primarily take place?
Sudan III dye has a high affinity for ____.
A. Starches
B. DNA
C. Fats
D. Carbohydrates
Answer:
FATS -- THIS IS CORRECT ANSWER IN GRAD POINT
Explanation:
The dye namely Sudan III generally shows a high affinity for fats. The correct option is C.
What is Sudan III dye?Sudan III is a dye which is used in Sudan labeling. Oil Red O, Sudan IV, and Sudan Black B are same dyes.
They are used to stain triglycerides in frozen sections as well as certain protein-bound lipids and lipoproteins in paraffin sections.
The dye namely Sudan III generally shows a high affinity for fats.
Thus, the correct option is C.
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Which term describes this example? A child with no freckles has a mother who has freckles and is heterozygous and a father who has no freckles and is homozygous recessive.
a.female
b.heterozygous
c.homozygous recessive
d.homozygous dominant
e.male
Which type of force holds galaxies together? A. electrostatic forces B. gravity C. magnetic forces D. friction
the will be gravity for this question
Deep, steep-sided valleys that originate on the continental slope and may extend to the ocean basin floor are called ____.
a
abyssal plains
b
slope canyons
c
submarine canyons
d
trenches
The correct answer is option c, that is, submarine canyons.
A submarine canyon refers to a steep-sided valley cut into the seabed of the continental slope, at certain occasions, outspreading well onto the continental shelf, possessing almost vertical walls, and occasionally exhibiting canyon wall heights of up to 5 kilometers, from the floor of the canyon to the rim of the canyon, like the Great Bahama Canyon.
why are diatoms important to the ecosystem beyond being food?
Final answer:
Diatoms play a crucial role in aquatic ecosystems by contributing significantly to global oxygen and carbon production, trapping carbon dioxide at the sea floor, and having economic interactions with humans through the use of diatomaceous earth in various industrial applications. They also influence aquatic biodiversity through their competitive interactions with other phytoplankton.
Explanation:
Diatoms are significantly important to ecosystems beyond being a source of food due to their roles in global ecology, economic interactions with humans, and their competition with other phytoplankton. Despite their minuscule size, diatoms are responsible for over 40% of the ocean's production of oxygen and reduced carbon, playing a crucial part in essential biogeochemical cycles including those for oxygen, carbon, and silica. Their unique silicon-based cell walls, requiring considerably less energy to construct than carbohydrate-based walls, give them competitive advantages in aquatic environments. Furthermore, diatoms contribute to the carbon cycle by sinking to the sea floor when they die in large numbers, trapping carbon dioxide that they had consumed during photosynthesis and thus reducing the amount returned to the atmosphere. Besides their ecological importance, diatoms have various economic interactions with humans. Their cell walls, preserved as diatomaceous earth, have numerous industrial applications such as in filters, abrasives, and even in toothpaste. Lastly, diatoms can outcompete other algae for resources in aquatic environments, especially in conditions where silicon is abundant, thereby influencing the biodiversity and stability of aquatic ecosystems.
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Dina walks out the door and a blast of cold air greets her. She goes back into her house and puts a coat on. What is the stimulus, the sensory receptor, and the response in the scenario?
Sample Response:
The stimulus is the temperature of the air. Sensory receptors in the skin send signals to the brain that the temperature is cold. Motor neurons stimulate muscle cells so that Dina can move to put on her coat.
The amount of matter in the Earth system remains constant over time. The forms and locations of the matter stored within the system, however, change continually as it cycles through the Earth.
Matter can be transferred between which of the following elements of the Earth system?
Question 9 options:
from the physical environment to living organisms
from one living organism to another living organism
from living organisms to the physical environment
all of these