Answer:
tectonic cycles
Explanation:
the house in question was
list and explain genetic abnormalities
Answer:
Genes are the building blocks of heredity. They are passed from parent to child. They hold DNA, the instructions for making proteins. Proteins do most of the work in cells. They move molecules from one place to another, build structures, break down toxins, and do many other maintenance jobs.
Sometimes there is a mutation, a change in a gene or genes. The mutation changes the gene's instructions for making a protein, so the protein does not work properly or is missing entirely. This can cause a medical condition called a genetic disorder.
You can inherit a gene mutation from one or both parents. A mutation can also happen during your lifetime.
There are three types of genetic disorders:
Single-gene disorders, where a mutation affects one gene. Sickle cell anemia is an example.
Chromosomal disorders, where chromosomes (or parts of chromosomes) are missing or changed. Chromosomes are the structures that hold our genes. Down syndrome is a chromosomal disorder.
Complex disorders, where there are mutations in two or more genes. Often your lifestyle and environment also play a role. Colon cancer is an example.
Explanation: I have no clue if this is correct but I tried lol
Which inference can you make about why finches have adapted different beak sizes and shapes? (1 point)
They are different species.
O They live in the same location.
O They eat different foods.
O They have a wide range of variation
Finches have adapted different beak sizes and shapes because they eat different foods. So the correct option is C.
What is natural selection?Natural selection is a mechanism for evolution to happen. It is the process by which living organisms acquire certain characters according to their needs.
It is important to understand natural selection to understand the essential concepts of the processes by which living organisms have been able to develop the complex structures which are helped them to survive.
Natural selection results from various conditions of environment, ecosystem and heredity. An example of natural selection is the development of antimicrobial resistance to pathogens.
Finches are known to have developed different sizes and shapes of beaks according to the kind of food that they eat. If they fed on insects, they had long and pointed beaks. If they fed on seeds and nuts, they had broad and blunt beaks.
Therefore the correct option is B.
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The space between the canine and the first premolar in the lower jaw of some primates is a(n) Group of answer choices mandibular gap. alveolus. retrocanine space. diastema.
Answer:
Diastema
Explanation:
The human teeth comprises of incisors, canine, premolars and molars.
The canine and incisors are for tearing and cutting while molars and premolars are for grinding.
DIASTEMA is a space between the canine and the first premolars. It is the space between the upper jaws teeth. It is caused as a result of imbalance or unequal relationship between the size of upper jaws teeth.
diastema (plural diastemata) is a space or gap between two teeth. It is common in children and adults.
Therefore, the space betwee canine and first premolar is DIASTEMA.
The space between the canine and the first premolar in the lower jaw of some primates is known as diastema
A diastema (in plural diastemata) occurs when there's a gap between two teeth, which is usually more perceptible between front teeth. Diastema is due to an imbalance in the relationship between the jaw and the size of the teeth. Many different mammals (including primates) exhibit diastemata between the incisors and molars. In humans, diastemata mainly occur between the upper incisors (i.e., front teeth), although can generate anywhere in the mouth and affect both adults and children.Learn more about diastema in:
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Determine the correct sequence of events for the production of a human protein in a bacterium. I. Target gene is inserted into a plasmid II. Bacterium replicates in a fermenter III. Bacteria produces target protein IV. Modified plasmid is inserted into bacterium
Answer:
I. Target gene inserted into plasmid
IV. Modified plasmid is inserted into bacterium
II. Bacterium replicates in a fermenter
III. Bacteria produces target protein
Identify a global challenge
Answer:
electrical waste management and deforestation
A projectile is fired vertically upward at an initial velocity of 100 m/s. How high will it rise? How long will it take to reach that height?
The question is solved using the equations of motion
According to the equations of motion:
[tex]v^2 = u^2 -2gh[/tex]
v = final velocity
u = initial velocity
g = acceleration due to gravity
h = height
Note that at the maximum height, the final velocity (v) = 0 m/s
so we can write:
[tex]u^2 = 2gh[/tex]
[tex]h = \frac{u^2}{2gh}[/tex][tex]h= \frac{100^2}{2 * 10}[/tex]
h = 500 m
The time taken is obtained from:
[tex]v= u - gt[/tex]
since v= 0 at maximum height
[tex]u = gt\\\\t= u/g\\\\t= 100/10\\t = 10 s[/tex]
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In developing follicles of the mammalian ovary, the thecal cells secrete testosterone. If the granulosa cells of a follicle are unable to convert this testosterone to _______, they will not express enough FSH and LH receptors to allow for follicle maturation and _______.
In developing follicles of the mammalian ovary, the thecal cells secrete testosterone. If the granulosa cells of a follicle are unable to convert this testosterone to estrogen, they will not express enough FSH and LH receptors to allow for follicle maturation and ovulation.
What are Developing follicles?Female mammals, including humans, have developing follicles in their ovaries, which are tiny sacs filled with fluid. The immature egg, or oocyte, found in each follicle is encased in layers of specialized cells, comprising thecal cells and granulosa cells.
Under the influence of hormones like follicle-stimulating hormone (FSH) and luteinizing hormone (LH), these follicles develop and mature until one dominant follicle is chosen for ovulation. Normal reproductive function depends on the complex process of follicle formation and maturation.
Therefore, in developing follicles of the mammalian ovary, the thecal cells secrete testosterone. If the granulosa cells of a follicle are unable to convert this testosterone to estrogen, they will not express enough FSH and LH receptors to allow for follicle maturation and ovulation.
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Need help anyone knows the answer
Answer:
landfill materials
besause it seems like the image show n
The muscle that originates on the sacrum and transverse process of each vertebra and inserts on the spinous process of the third or fourth more superior vertebra is the ________ muscle. Group of answer choices quadratus lumborum interspinalis semispinalis
Answer:
multifidus muscle
Explanation:
Multifidus is a group of smaller muscles located near the spine (anteriorly among cervical paraspinal muscles) that extend, flex and rotate the spine. This muscle (multifidus) is an important stabilizer of the spine by stabilizing the joints at each segmental level. The multifidus muscle controls the erection of the spine and stabilization during its movements and the movement of the extremities.
The operation of the sodium-potassium pump moves ________. A) sodium and potassium ions into the cell B) sodium and potassium ions out of the cell C) sodium ions into the cell and potassium ions out of the cell D) sodium ions out of the cell and potassium ions into the cell
operation of SODIUM-POTASSIUM PUMP moves sodium ions out of the cell and potassium ions into the cell. The correct option is D.
When a cell membrane moves molecules or ions against a concentration gradient or against an electrical or pressure gradient, the process is called ACTIVE TRANSPORT. Different substances that are actively transported include:
--> sodium ions,
--> potassium ions,
--> calcium ions and
--> some amino acids.
There are two types of active transport which are divided according to the energy that is used to cause the transport. They include:
--> primary and
--> secondary active transport.
PRIMARY ACTIVE TRANSPORT
A typical example is the SODIUM-POTASSIUM PUMP( Na+ - k+). This is a transport process that pumps sodium ions outward through the cell membrane of all cells and at the same time pumps potassium ions from the outside to the inside. This pump helps to:
--> maintain the sodium and potassium concentration differences across the cell membrane
--> establish a negative electrical voltage inside the cells.
The mechanism or OPERATION of the pump involves the following steps:
--> two potassium ions bind on the outside of the carrier protein and three sodium ions bind on the inside,
--> ATpase of the carrier protein cleaves one molecule of ATP, splitting it to Adenosine diphosphate (ADP) and liberating a high-energy phosphate bond of energy.
--> this liberated energy then causes a chemical and conformational change in the carrier protein,
-->this leads to the extruding of three sodium ions (3Na+) to the outside and two potassium ions (2K+) to the inside.
Therefore in the operation of SODIUM-POTASSIUM PUMP moves sodium ions out of the cell and potassium ions into the cell. The correct option is D.
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Which of these characteristics is shared by all living things?
A. They have similar responses to light
O B. They are made up of one or more cells
C. They reproduce when one cell divides into two
D. They make their own chemical energy from the sun
Answer:
They are made up of one or more cells
Explanation:
Because an organism is made up by one or more cells
Which of the following statements are true about antibodies?
A. Both Polyclonal and Monoclonal antibodies are naturally produced in immune
responses.
B. Polyclonal antibodies are part of the natural immune response; monoclonal antibodies
are clones of plasma cells used for medical research.
C. Polyclonal antibodies are used for the treatment of cancer, monoclonal antibodies are
used for medical research.
D. Monoclonal antibodies work against many types of antigens; polyclonal antibodies
work against a specific antigen.
Answer:
both a and b are the correct answers
11. Sensory receptors throughout the body monitor stimuli and communicate with the central nervous system to allow you to respc
in your environment or internal conditions. What component of feedback loops do sensory receptors fulfill?
O A. Controller
B. Hormones
C. Sensor
D. Effector
Answer:hormones
Explanation:
Answer:
C. Sensor
Explanation:
According to https://open.oregonstate.education/aandp/chapter/13-1-sensory-receptors/
- "A major role of sensory receptors is to help us learn about the environment around us, or about the state of our internal environment. Different types of stimuli from varying sources are received and changed into the electrochemical signals of the nervous system. This process is called sensory transduction."
Hope this Helps :)
explain the systemic circulation
Explanation:
Systemic circulation is also called general circulation in these circulation the oxygenated blood from the aorta moves towards the whole body (to each and every organ).
The aorta is divided into ascending and descending aorta. The ascending aorta supplies oxygenated blood to ascending or upper body parts and descending aorta supplies oxygenated blood to descending or downward body parts.
Hope it helps you! ＼(^ᴥ^)／
A species that is LEAST closely related to the rest of the organisms
represented on a cladogram is called?
Answer:
A cladogram is a diagram used to represent a hypothetical relationship between groups of animals, called a phylogeny.
describe physical environment
Answer:
The physical environment is where individuals live, learn, work, and play. People interact with their physical environment through the air they breathe, water they drink, houses they live in, and the transportation they access to travel to work and school. ... Clean air and safe water are necessary for good health.
Which of the following would ATP NOT be used for as energy?
A. Osmosis
B. Healing a cut
C. Keeping warm
D. Push ups
Answer:
[tex]\boxed {\boxed {\sf A. \ Osmosis}}[/tex]
Explanation:
ATP or adenosine triphosphate is used as energy in all living organisms. It is required for many processes to keep an organism alive. We are looking for the process that does not require ATP.
A. Osmosis
Osmosis is the diffusion of water across a selectively permeable membrane. It is a type of passive transport, so there is no energy expenditure. ATP is not used, but we can check the other answer choices.
B. Healing a cut
Healing a cut requires transporting substances to the cut, inflammatory responses, and cell division to repair the cut. This does require ATP.
C. Keeping warm
To stay warm the body's blood vessels near the surface constrict so less heat is lost and the sweat glands are inactivated. This requires ATP.
D. Push ups
Push ups require many different muscles throughout the body and exercise requires lots of ATP.
The correct answer is Choice A. Osmosis.
What is used to isolate and cut the target gene during genetic engineering?
A. Ligase
B. Recognition site
C. Polymerase
D. Restriction enzymes
Answer:
A virus or plasmid used in this way is known as a cloning vector, and the DNA propagated by insertion into it is said to have been cloned. To isolate a specific gene, one often begins by constructing a DNA library—a comprehensive collection of cloned DNA fragments from a cell, tissue, or organism.
Restriction enzymes are used to isolate and cut the target gene during genetic engineering. Thus, the correct option is D.
What is Genetic engineering?Genetic engineering may be defined as a methodology that utilizes laboratory-based technologies to change the DNA makeup of an organism in a sequential manner.
Ligase is an enzyme that is utilized to join the fragments of a restriction endonuclease that have annealed in recombinant DNA cloning. Polymerases are also the class of enzymes that are used in DNA manipulation in vitro.
A Recognition site is a specific site that is usually very short in length and recognizes the action of enzymes and primers.
Therefore, the correct option for this question is D.
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which of the following answers is true about the structure of an atom
1. neutrons and electrons make up the nucleus of an atom
2. electrons are found in outer orbitals around the nucleus
3. electrons and protons make up the nucleus of the atom
4. protons are found in outer orbitals around the nucleus
Answer:
2. electrons are found in outer orbitals around the nucleus.
Explanation:
The nucleus of an atom has protons and the neutrons . The outer most region contains the electrons.
5. In today’s global economy, goods flow from one country to another like never before, allowing the natural capital from one country to be utilized in many other countries. Some have argued that it is unethical for developed countries to fuel their consumptive lifestyles by using natural capital from poorer, developing countries. Do you agree with this viewpoint? Why or why not?
I agree because overexploitation of resources negatively affects the development of developing countries and increases inequalities between developed and developing countries.
Overexploitation of natural resources refers to the unsustainable use of natural resources (e.g., water, lands, etc).This phenomenon (overexploitation) may lead to the loss of biodiversity and even the extinction of many species, including plant and animals species.In the past, the overexploitation of developed countries to the natural resources from developing countries was erroneously justified as a method to initiate economic development in the Third World countries.However, it has been shown that the overexploitation of natural resources often leads to situations where populations become more vulnerable to demographic swings or conflict (e..g., deforestation may lead to desertification).In consequence, overexploitation of developed countries to the natural resources from developing countries is unethical because it increases inequalities between countries.Learn more in:
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Approximately how many mutations occur naturally in DNA per 10,000 bases?
A. 2
B. 2000
C. 200
D. 20
Explanation:
Modern methods indicate that the mutation rate is roughly one to two mutation per 10,000 genes per generation.
In human cells, approximately TWO (2) MUTATIONS occur naturally in DNA per 10,000 bases (Option A is correct).
The mutation rate (u) refers to the occurrence of new mutations in a given nucleotide sequence over time.In human cells, the mutation rate is approximately 10⁻⁴ per generation.Therefore, in a DNA sequence that has 10,000 base pairs of length, this value is equal to 2 mutations per generation (u = 2 / 10,000 = 10⁻⁴).In conclusion, approximately 2 MUTATIONS occur naturally in DNA per 10,000 bases (Option A is correct).
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ANSWER AND I’LL GIVE BRAINLIEST
Which of the following statements can you infer would happen If one organ system stopped working?
a. The other organ systems would have to work harder to make up for the broken system
b. The other organ systems would stop working too.
c. The other organ systems would still work on their own but might have to work harder to complete their function correctly.
Answer:
b
Explanation:
After one system shuts down, the others would slowly start to shut down as well until the body can no longer maintain homeostasis and the person would slowly die. 3. All systems would be working together but the main ones would be muscular, nervous, and skeletal.
1 A large quantity of fertiliser has been washed into a stream. Decide whether the following 'rise' or 'fall'.
a) Concentration of minerals in the water
b) Total biomass of algae
c) Light levels below the surface
d) Amount of photosynthesis below the surface
e) Mass of decomposing organic matter f ) Number of bacteria
g ) Amount of respiration below the surface
h ) Amount of oxygen dissolved in the water
i) Number of mayfly nymphs in the water j) Number of fish in the water
Gracias a la nutrición los seres vivos logran:
A. Suplir sus necesidades energéticas, es decir que obtienen la energía necesaria para realizar todas las actividades: saltar, cazar, nadar, masticar, parpadear, entre muchas otras.
B. Reparar estructuras deterioradas, ya que en la nutrición se obtienen sustancias como las proteínas, que en el proceso pueden ser incorporadas como parte del organismo.
C. Crecer y renovar sus células, en tanto que la nutrición proporciona la materia y la energía necesarias para que las células se reproduzcan o aumenten su tamaño.
D. Todas las anteriores.
Answer:
c la nutrición nos renueva y proporciona materia
which of the following group is incorrectly paired with an example of that group
Explanation:
I can't see which following group you are telling
How are mitosis and binary fission similar?
A. They produce identical daughter cells.
B. They occur only in prokaryotes.
C. They involve division of nuclei as well as cytoplasm.
D. They occur only during sexual reproduction.
Answer:
They produce identical daughter cells.
Elodea is a plant that lives in water. Like all plants, elodea can make its own food through
process called photosynthesis. Oxygen gas is also produced during photosynthesis.
Photosynthesis can only happen in the presence of light. To measure the rate of
photosynthesis, a piece of elodea can be placed in an inverted test tube filled with a
sodium bicarbonate solution. Oxygen gas produced by photosynthesis will collect at the
top of the test tube.
A student has designed an experiment using elodea plants. The experimental setup is
shown in Figure 1-4
Which of the setups would serve as the control of the experiment?
Bucket
Lamp
Flashlight High
Natural
Elodea
Sodium
bicarbonate
solution
The controlled variable is kept constant during the whole experiment in all the different study groups. In this experiment, Sodium bicarbonate solution is the controlled variable.
------------------------
During an experiment, the controlled variables are kept constant in the control groups and the experimental groups. Unlike the independent variable, the controlled variables do not influence the results. These variables do not affect the response of the dependent variable.
In this experiment,
The independent variable → presence/absence of light reaching the plant. The researcher regulates the amount of light by using different elements such as the bucket, lamp, flashlight, and natural light. The dependent variable → oxygen production through which the researcher measures the photosynthesis rate. The controlled variable → Sodium bicarbonate solution. It provides carbon dioxyde, and must be constant in the four scenarios to avoid an effect on the results.-----------------------
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How do simple organisms exchange substances?
Answer:
A simple, unicellular organism (consisting of one cell) can rely on diffusion to move substances into and out of the cell. Its surface area is large compared to its volume , so nutrients and other substances can pass quickly through the membrane and around its 'body'.
Why is the unit of velocity called derived unit?
Answer:
Because it is a vector quantity, it has a direction too such that derived unit is made up of two or more fundamental units. That is mere and second. That is why it is called as a derived unit as its unit is metres per second.
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Question 6(Multiple Choice Worth
l
Marta wants to explain how pollution is affecting the biodiversity of a local lake. Which of the following models are most appropriate options to use in her explanation?
1. Graph
II. 3-D model
III. Simulation
OI and II
Oil and III
OI and III
OI only
helpppp nowww
Ecosystems are impacted by air pollution, particularly sulphur and nitrogen emissions, and ground-level ozone as it affects their ability to function and grow. Nutrient overloads in aquatic ecosystems can cause algae blooms and ultimately a loss of oxygen, and of life
