Answers
Answer:
There are two people affected
Explanation:
The black shapes are affected people, the white ones are unaffected
Related Questions
How does a single fertilized egg cell develop into all the different cells of your body? Use cell division and differentiation in your answer.
Answers
Answer:
Once an egg is fertilized by a sperm, a zygote is formed. The zygote divides into multiple cells in a process known as cleavage, triggering the beginning of embryonic differentiation. Cells in these three layers will give rise to different parts of the organism. The endoderm eventually becomes the gut.
Explanation:
- Eijiro <3
A zygote is formed when an egg is fertilized. The zygote divides into multiple cells in a process known as cleavage, triggering the beginning of embryonic differentiation.
What is Differentiation?This is the process in which cells acquire different structure and function from one another to form distinct cell types.
When a zygote is formed, cell division takes place which helps to trigger differentiation of cells.
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____________ are made of a series of paired statements that describe physical characteristics of different organisms.
Answers
Answer:
taxonomic key
this is A series of paired statements that describe the physical characteristics of differnent organisms.
Answer:
taxonomic key
Explanation:
A series of paired statements that describe the physical characteristics of differnent organisms.
Which of the following is an example of the endocrine system maintaining homeostasis? (3 points)
-Detecting a pain stimulus and sending a signal to the spinal cord to perform an automatic response
-Discharging an excessive amount of hormones in the blood and not sending a signal to stop production
-Sending a message to the pituitary gland to start producing a hormone when the levels in the body are too low
-Using sense organs to get information about the outside world and direct an appropriate body response release
Answers
Answer:
-Discharging an excessive amount of hormones in the blood and not sending a signal to stop production
Explanation:
Endocrine system is regulated by negative feedback mechanisms that work to maintain homeostasis.
Concentration of hormones, and how they effect other body systems, are controlled in this manner.
For instance, the blood glucose regulation is controlled by insulin and glucagon, hormones produced by the pancreas.
Discribe blood cells and give their proper function. what makes difference on red blood cells to other types of cells of human?
Answers
Answer:
white blood cells help in the body in this action is to fight against diseases in the body while red blood cells help transport oxygen and nutrients in body
Blood cells and supply their proper feature: The red blood cell's important feature is to carry oxygen from the lungs and supply it during our body. red blood cells additionally transport waste including carbon dioxide returned to our lungs to be exhaled. Red blood cells can convey oxygen because of a protein known as hemoglobin.
How are human red blood cells exclusive from all different human cells?Red blood cells are microscopic and feature the shape of a flat disk or doughnut, that is round with an indentation within the middle, however it is not hollow. red blood cells do not have a nucleus like white blood cells, allowing them to change shape and flow for the duration of your body less difficult.
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How would adding finer particles to the sand affect porosity?
Answers
Explanation:
Porosity depends on the size, shape, and mixture of grains and particles that compose soil and rock. For instance, small particles such as clays can compact more closely together, reducing the amount of porosity. However, larger particles such as sand and gravel will have more spaces available between them.
HELP ASAP PLEASE I WILL MARK BRAINLY
David roller skates 42 Km in 3 1/2 hours. What is his average speed in kilometers per hour? Speed =
Answers
Answer:
12km
Explanation:
This is pretty easy, all you have to do is divide 42 by 3.5 and then you get 12<3 hope that helps!!
Not sure tho
Which of the following is correct descriptions of aeolian deposits?
Both loess and sand dunes are formed by accumulation of wind-blown silt
Loess is formed by accumulation of wind-blown sand; sand dunes are formed by accumulation of wind-blown silt
Both loess and sand dunes are formed by accumulation of wind-blown sand
Loess is formed by accumulation of wind-blown silt; sand dunes are formed by accumulation of wind-blown sand
Answers
Answer:
Option D
Explanation:
Loess is a wind blown silt that piles into high dunes which later hardens. On the other hand, the sand blown debris is known as sand dunes which are rounded hillocks and is broken by the wind.
Hence, option D is correct
Which of the following statements best describes the importance of
nutrient cycling?
Answers
Answer:
Since there are no choices to this question, I think it restores ecosystems or the organisms physical environment to a state called the "Equilibrium State".
Explanation:
The Equilibrium State keeps the ecosystems functioning. Nutrient cycles link or put the living organisms with the non living organisms together throughout the flow of the nutrients in the cycle. Remember that living and non living organisms always depend on each other.
I hope this answers your question! :)
original source of energy for killer whale
Answers
Answer:
food would probably be the best answer
4. The barred owl has been moving into the habitat of the spotted owl. This could lead to a reduction in
the spotted owl population if the
O two owl species cannot interbreed,
barred owl is better adapted to habitat changes,
O barred owl is a secondary consumer
O spotted owl is dependent on local producers,
4th
Answers
The barred owl has been moving into the habitat of the spotted owl. This could lead to a reduction in the spotted owl population if the? barred owl is better adapted to habitat changes. Mangrove trees are affected by several factors.
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Choose one of the following scenarios and answer the questions provided. Support your answers using scientific reasoning and discussing possible impacts to individuals, society, and the environment. Be sure to also discuss any medical or ethical issues that may apply. (10 points)
Scenario 1:
Genetic engineering can be used to create more productive strains of farm animals. By adding genes to an animal's DNA, the animal can be made to produce milk or meat containing vital nutrients that would not be found naturally in those products. This provides a greater amount of nutrients per serving of milk or meat.
Do you think that this type of genetic engineering should be pursued? Explain your answer. (5 points)
What are some possible impacts (positive and negative) of this type of genetic engineering on individuals, society, and the environment? (5 points)
Scenario 2:
In the future, doctors may be able to evaluate your DNA to check for genetic markers related to specific medical conditions or harmful reactions to medications. Your personalized genetic profile could be kept on record and referred to in order to develop personal medical treatment based on your unique DNA sequencing. Scientists have found that just small variations in a specific section of your DNA can help determine how well some medications can work for you or if they would be beneficial at all.
Would you want to have your DNA profile kept in your medical record as a reference for your doctors? Explain your answer. (2 points)
What are potential pros and cons of having such tests done and referring to DNA sequences when determining a patient's medical treatment? (5 points)
Describe how the availability of this technology might affect the frequency of genetic diseases in individuals and populations. (3 points)
Answers
How much is )377373737373837828827383783737737+73737737374747774747478382828828287739278
Answers
Answer:
7.3737738e+40
Explanation:
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Which of the following mutations could lead to constitutive expression of the genes of the lac operon? View Available Hint(s) Which of the following mutations could lead to constitutive expression of the genes of the lac operon? A mutation in the lac-Z gene A mutation in the lac-Y gene A mutation in the operator sequence A super repressor mutation Submit Part B Which of the following best describes the biological role of the lac operon? View Available Hint(s) Which of the following best describes the biological role of the lac operon? It ensures that bacterial cells produce lactose only when no other food sources are available. It ensures that a cell dedicates resources to the production of enzymes involved in lactose metabolism only when lactose is available in the environment. It ensures that a cell produces enzymes involved in lactose metabolism in a constitutive manner. It prevents other sugars from being metabolized until all available lactose has been used. Submit Part C The placement of the operator sequence between the promotor and the structural genes is critical to the proper function of the lac operon. View Available Hint(s) The placement of the operator sequence between the promotor and the structural genes is critical to the proper function of the lac operon. True False
Answers
Options for part A are as follows:
A) A mutation in the operator sequence
B) A mutation in the lac-Z gene
C) A mutation in the lac-Y gene
D) A super repressor mutation
Answer:
The correct answer:
Part a - A mutation in the operator sequence
Part b - It ensures that a cell dedicates resources to the production of enzymes involved in lactose metabolism only when lactose is available in the environment
Part C. true.
Explanation:
part a:
If there is a mutation in the operator sequence leads to prevent binding of the repressor which leads to allowing constitutive expression of the genes various conditions.
part b:
The biological role of the lac operon makes sure that the cell dedicates resources to the production of enzymes involved in lactose metabolism only when lactose is available in the environment
Part c:
RNA polymerase cannot transcribe the structural genes due to the repressor binds to the lac operator, therefore, the proper function of the lac operon is possible when the placement of the operator sequence between the promotor and the structural genes.
Match the descriptions with the correct phases of the ovarian cycle - progesterone levels are highest during this phase - menses occurs during the first part of this phase - LH levels peak during, or just before, this phase - This phase occurs approximately 14 days before the onset of menstruation - GnRH secretion is inhibited by estrogen secreted from the corpus luteum during this phase - This phase corresponds to the secretory phase of the uterine cycle - A follicle ruptures during this phase - The antrum of a follicle grows larger during the end of this phase A. Follicular phase B. ovulation C. Luteal phase
Answers
Here's a match of the descriptions with the correct phases of the ovarian cycle:
Progesterone levels are highest during this phase: C. Luteal phaseMenses occurs during the first part of this phase: A. Follicular phaseLH levels peak during, or just before, this phase: B. OvulationThis phase occurs approximately 14 days before the onset of menstruation: C. Luteal phaseGnRH secretion is inhibited by estrogen secreted from the corpus luteum during this phase: C. Luteal phaseThis phase corresponds to the secretory phase of the uterine cycle: C. Luteal phaseA follicle ruptures during this phase: B. OvulationThe antrum of a follicle grows larger during the end of this phase: A. Follicular phaseWhat is an Ovarian cycle?
The ovarian cycle is the monthly series of changes that occur in a female's ovaries, specifically in the development and release of an egg (ovulation).
The cycle is regulated by several hormones produced by the hypothalamus, pituitary gland, and ovaries, and is divided into three main phases: the follicular phase, the ovulatory phase (or ovulation), and the luteal phase.
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1. Define physical change.
2. What are some examples of physical change?
3. The wood in the Figure below is being cut with a chainsaw. Is this a physical change?
Why or why not?
Answers
2. Crushing a can.
Melting an ice cube.
Boiling water.
Mixing sand and water.
3.it is a physical change because in a physical change is usually easy to see.
what type of joints make up the skull?
Answers
Answer:
The bones of the skull are highly irregular. Most of the bones of the skull are held together by firm, immovable fibrous joints called sutures or synarthroses. These joints allow the developing skull to grow both pre- and postnatally.
Explanation:
Answer:
какву врсту питања
kakvu vrstu pitanja
Explanation:
16. Which combination of terms correctly matches an organ system with a tissue in that system?
a. Circulatory system - cardiac muscle
b. Digestive system - cartilage
C. Respiratory system - pancreas
d. Nervous system - marrow
Answers
Answer:
B
Explanation:
Answer:
A
Explanation:
The Circulatory System is a system that circulates blood around the body. Cardiac Muscle refers to your heart, which is a prominent part in the Circulatory System.
___________ is the measurement of the height above sea level. Question 3 options: Latitude Longitude Altitude Humidity
Answers
Answer:
Altitude
Explanation:
Its the elevation of an object above sea level.
Answer: the answer is altitude
Explanation:
i took my quiz and got it right
hope its help;)
what is vector in life sience
Answers
This model of the cell cycle includes two arrows that each represent a process in the cycle. What do the two arrows represent?
A.Arrow 1 represents interphase, and Arrow 2 represents mitosis.
B.Arrow 1 represents meiosis, and Arrow 2 represents prophase.
C.Arrow 1 represents prophase, and Arrow 2 represents interphase.
D.Arrow 1 represents mitosis, and Arrow 2 represents meiosis.
Answers
About the question:
You will find the model of the cell cycle in the attached files
Answer:
A. Arrow 1 represents interphase, and Arrow 2 represents mitosis.
Explanation:
When we talk about the cell cycle, we refer to the interphase and the cell division (mitosis or meiosis).
Interphase: Represented by arrow 1.
The interphase is the previous step before mitosis occurs. The interphase is conformed of the G1, S, and G2 stages.
• During the G1 stage, it occurs a high intense biochemical activity. The cell duplicates its size, and the organelles and other molecules and cytoplasmatic structures also double. Some structures, such as microtubules and actin filaments, are synthesized from zero. The endoplasmic reticulum increases in size and produces a membrane for the Golgi complex and vacuoles, lysosomes, and vesicles. During this stage, the pair of centrioles separate, and each centriole duplicates. Mitochondria and chloroplasts also replicate.
• During the S stage, the DNI replication process occurs. This is the only stage in which the DNI molecule replicates. The synthesis of histones and other associated proteins also occurs.
• G2 stage is the interphase last step. DNI molecule begins to slowly condensate. The centrioles duplication process completes. The spindle fibers get assembled.
Once the whole interphase is completed, mitosis occurs.
Mitosis: Represented in the cycle by arrow 2.
Mitosis is a process by which, from a diploid somatic cell (2n), two daughter diploid cells (2n) are produced. During mitosis, the whole-cell first duplicates and then separates. Mitosis is divided into four phases (these phases are shown in the cycle with different gray color tones). During prophase, chromosomes condensate, and the nuclear membrane breaks. During the metaphase, fibers of the spindle apparatus take chromosomes toward the equatorial cell plane, where they line up. Sister chromatids are holden together until they reach the Anaphase, during which specialized enzymes break the bonds between chromatids and separate them. Each chromatid migrates to one of the poles. In telophase, the new chromosomes are already in the corresponding poles, and the nuclear membrane forms again in each pole. Finally, cytokinesis occurs.
what is urbanization
Answers
Explanation:
the process of expanding residential areas or establishing cities or towns by constructing large buildings in search of modern facilities is called urbanization.
hope it helps
1. Define physical change.
Answers
Explanation:
physical change is the change which does not cause change in its chemical composition like shape,size,colour,odour,melting point,boiling point etc
If two copper wires are the same length but different thicknesses, the ____ wire has more resistance to current. Group of answer choices thinner thicker
Answers
What are the 3 main characteristics of populations?
Answers
Answer:
Population Size and Density: Total size is generally expressed as the number of individuals in a population. ...
Population dispersion or spatial distribution: ...
Age structure: ...
Natality (birth rate): ...
Mortality (death rate):
Explanation:
Answer:
Size, Spatial Distribution and age structure or, birth and death rates.
Explanation:
Demography is the study of a population, the total number of people or organisms in a given area. Understanding how population characteristics such as size, spatial distribution, age structure, or birth rates change over time can help scientists and/or governments.
6. Looking at the chemical equation for anaerobic respiration in the Introduction portion
of this lab, what product of cellular respiration was the gas in the balloon?
NEED HELP
Answers
Answer:
Because carbon dioxide is a component of your breath, and when you exhale, you release it.
Carbon dioxide
How do you blow up a balloon? You might know that carbon dioxide is what we exhale into a balloon, but where does it come from? Carbon dioxide is a waste product from a process called cellular respiration, which uses oxygen and sugar to make energy and carbon dioxide.
What is carbon dioxide?Carbon dioxide (chemical formula CO2) is a chemical compound occurring as a colorless gas with a density about 53% higher than that of dry air. Carbon dioxide molecules consist of a carbon atom covalently double bonded to two oxygen atoms. It occurs naturally in Earth's atmosphere as a trace gas. The current concentration is about 0.04% (417 ppm) by volume, having risen from pre-industrial levels of 280 ppm. In water it forms an acidic solution due to the formation of carbonic acid (H2CO3). Natural sources include volcanoes, forest fires, hot springs, geysers, and it is freed from carbonate rocks by dissolution in water and acids. Because carbon dioxide is soluble in water, it occurs naturally in groundwater, rivers and lakes, ice caps, glaciers and seawater. It is present in deposits of petroleum and natural gas. Carbon dioxide has a sharp and acidic odor and generates the taste of soda water in the mouth, but at normally encountered concentrations it is odorless.
As the source of available carbon in the carbon cycle, atmospheric carbon dioxide is the primary carbon source for life on Earth and its concentration in Earth's pre-industrial atmosphere since late in the Precambrian has been regulated by photosynthetic organisms and geological phenomena. Plants, algae and cyanobacteria use energy from sunlight to synthesize carbohydrates from carbon dioxide and water in a process called photosynthesis, which produces oxygen as a waste product
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If an unidentified organism is unicellular, prokaryotic and has peptidoglycan in its cell walls, into which kingdom would it be placed?
Answers
Answer:
<3
Explanation:
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Similarities in DNA sequence can be seen in all species
A. Anatomical Evidence
B. Homologous Structure
C. Analogous Structures
D. Vestigial Structures
E. Fossil
F. Embryology
G. DNA/Molecular Evidence
Answers
Answer:
I think G.
Explanation:
It mentioned DNA and Molecular evidence and every living thing has that.
Study the energy pyramid.
In this pyramid, what level is the frog?
Answers
Answer:
Tertiary consumers i think
Consider the following scenario:
A drought hits the habitat of a semi-aquatic bird population. All ponds dry up, and fish populations decline. There are two groups of birds in the population that differ in leg length and diet. Long-legged birds eat fish, while short-legged birds eat insects. The drought has little effect on insect populations.
What is the main selective pressure in this scenario?
(1 point)
drought
leg length
insect population
fish population
There are two varieties in a population of squirrels: short tails and long tails. Long-tailed squirrels are better at jumping and balancing in trees. Scientists observe that over the span of 100 years, the proportion of the population with long tails increases from 10% to 60%. Which statement is most likely? (1 point)
The proportion of long-tailed squirrels may have increased due to increased food availability.
The proportion of short-tailed squirrels may have decreased due to decreased food availability.
The proportion of short-tailed squirrels may have decreased due to an increase in trees.
The proportion of long-tailed squirrels may have increased due to a decrease in trees.
Answers
1. What is the main selective pressure in this scenario?
fish population.
2. According to the question, option "A" is correct The proportion of long-tailed squirrels may have increased due to increased food availability.
What is selective pressure?In evolutionary theory, the effect on survival of a species of the sum of all elements, physical and behavioural, inherent and environmental especially as an inherited characteristic may marginally affect survival under the influence of these elements.
Thus, the option "D" and "A" is correct.
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explain in detail how do carnivores get their food?
Answers
Answer:
a carnivore gets their food by killing other animals, they eat meat. a carnivore can eat an animal who is a herbivore and sometimes a omnivore.
