Answer:
The embryonic stage plays an important role in the development of the brain. Approximately four weeks after conception, the neural tube forms. This tube will later develop into the central nervous system including the spinal cord and brain. The neural tube begins to form along with an area known as the neural plate.
Explanation:
A scientist makes the argument that she has found DNA evidence that shows that evolution does not exist. What
would her evidence have to show for her to be correct?
Strong genetic similarities in closely related organisms and weak genetic similarities in distantly related
organisms
Weak genetic similarities in closely related organisms and strong genetic similarities in distantly related
organisms.
Strong physical similarities among closely related organisms and also among distantly related organisms.
o Weak physical similarities among closely related organisms and also among distantly related organisms.
An evidence that shows that evolution does not exist is: Weak genetic similarities in closely related organisms and strong genetic similarities in distantly related.
WHAT IS EVOLUTION:Evolution is process by which different kinds of living organism are believed to have developed from earlier forms during the history of the earth. This means that organisms that evolve from the same lineage are expected to have similar genetic similarities.Therefore, an evidence that shows that evolution does not exist is: Weak genetic similarities in closely related organisms and strong genetic similarities in distantly related.
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Answer:Its B
Explanation:
HELP ME
cite a passage in the bible that may help you in your decision
What is carrying capacity? What factors could influence the carrying capacity of a population?
Answer:
Carrying capacity can be defined as a species' average population size in a particular habitat. The species population size is limited by environmental factors like adequate food, shelter, water, and mates. If these needs are not met, the population will decrease until the resource rebound
Humans have increased the world's carrying capacity through migra:tion, agriculture, medical advances, and communication. The age structure of a population allows us to predict population growth. Unchecked human population growth could have dire long-term effects on our environment.tion
[ANSWER INCLUDING]
The pedigree on the right shows the inheritance pattern for an X-linked recessive disorder.
The mother of the individuals circled in pink is not shown on the pedigree. Based on the phenotypes of these individuals and their father, what are the possible genotypes of their mother? Check all of the boxes that apply.
- XAXA
- XaXa
- XAXa
The mother's genotype can be either [tex]X^AX^A[/tex] or [tex]X^AX^a[/tex].
For X-linked recessive traits, males (XY) can either be affected or free from the disorder, they cannot be carriers. Females (XX), on the other hand, can be affected, unaffected, or be carriers.
The circled male child is free from the disorder ([tex]X^AY[/tex]) while the females are carriers ([tex]X^AX^a[/tex]).
The male inherited the healthy allele, [tex]X^A[/tex], from the mother.
The female children inherit the affected allele from their father (who is affected for the disorder) and the other healthy allele from their mother.
This means that the mother cannot be affected for the disease. As it is, the pedigree points that all the children got their healthy alleles from their mother. This does not mean the mother has two healthy alleles though.
Thus, the possible genotype of the mother are [tex]X^AX^A[/tex] and [tex]X^AX^a[/tex].
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List the angles in order from smallest to largest. Note image in not drawn to scale
Using sine rule and cosine rule, the angles from smallest to largest is A,B,C.
Using the cosine rule;
a^2 = b^2 + c^2 - 2bc cos A
When;
a = 9 cm
b = 16 cm
c = 18 cm
9^2 = 16^2 + 18^2 - (2 × 16 × 18) cos A
81 = 256 + 324 - (576) cos A
81 = 580 - 576 cos A
81 - 580 = - 576 cos A
cos A = (81 - 580)/ - 576
A = cos-1[(81 - 580)/ - 576]
A = 30°
Using the sine rule;
a/sin A = b/sinB
asinB = bsinA
sinB = bsinA/a
B = sin-1(bsinA/a)
B = sin-1[(16 × sin30)/9]
B = 63°
Now;
A + B + C = 180(Sum of angles in a triangle)
C = 180 - ( A + B)
C = 180 - ( 30 + 63)
C = 87°
The angles are A, B, C.
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When Sam cut open an apple he found only four seeds. Can you explain why?
Answer:
Yes
Explanation:
it is depend on the fruit of apple
tissue respiration, location in the cell and sequence of reaction
Answer:
The Location of Cellular Respiration
Cellular respiration takes place in both the cytosol and mitochondria of cells. Glycolysis takes place in the cytosol, whereas pyruvate oxidation, the Krebs cycle, and oxidative phosphorylation occur in the mitochondrion.
Tissue respiration occurs internally where the oxygen carried by the blood and RBCs is exchanged with the carbon dioxide produced by the cells of various tissues. ( This answers the location of where tissue respiration occurs
Sequence of tissue respirationThe stages of tissue respiration include:glycolysis - pyruvate oxidation - citric acid or Krebs cycle - oxidative phosphorylation.
Cell tissue respiration
It is the process by which organisms combine oxygen with foodstuff molecules, diverting the chemical energy in these substances into life-sustaining activities and discarding, as waste products, carbon dioxide and water
Cellular tissue respiration is a set of metabolic reactions and processes that take place in the cells of organisms to convert chemical energy from oxygen molecules or nutrients into adenosine triphosphate, and then release waste products.
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6. Why do you think satellites are placed in the thermosphere?
Answer:
It is called the thermosphere because temperatures can reach up to 1,500 degrees Celsius (2,732 degrees Fahrenheit). However, despite the high temperatures, the pressure is very low, so satellites don't suffer heat damage.
Explanation:
I hope it's help :)
Which of the following correctly describes a graded potential?
Answer:
Graded potentials are changes in membrane potential that vary in size, as opposed to being all-or-none.
Explanation:
btw, where are the options?
The statement which correctly describes a graded potential is: amplitude of various sizes.
Graded potential refers to a temporary change in electric or membrane potential of a stimulus with respect to both its size and distance.
Amplitude can be defined as the maximum displacement of a wave when measured from its equilibrium position.
Thus, amplitude is measured vertically from an equilibrium position.Generally, a graded potential is directly proportional in amplitude to the size of the stimulus that is send as an input due to the following:
DepolarizationHyperpolarizationIn conclusion, the statement which correctly describes a graded potential is amplitude of various sizes.
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What is an example of a solute found in plasma?
water
globulins
platelets
uvulas
Example of solute found in the plasma is globulins.
Plasma is the largest part of the blood that is usually amber in colour.
Plasma is made up of solutes that are soluble in it. These include:
sodium,chloride, bicarbonate, and protein.
Plasma proteins are proteins found in blood plasma which helps to create osmotic pressure and transport of hormones and lipids.
Example of plasma proteins are:
albumin, globulins, and fibrinogen.Globulins are high molecular weight proteins of blood plasma.
Therefore, an example of solute found in the plasma is globulins.
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can someone please help me on this all u have to do is search up on the internet and then put down 4 facts that are mentioned in the web site and give the main idea to but make sure I know were the main idea is
web site: should we bring back extinct species
Who did the ram caught in the thicket (Genesis 22:13) represent?
Answer:
Woolley dubbed the statues “Rams Caught in a Thicket” as an allusion to the biblical story of Abraham. They more likely represent goats, which could often be seen standing on their hind legs, to reach leaves in the trees, as seen here.
is the chemical reaction below A. Kinase B. mutase C. dehydrogenase D. isomerase E. none of the above
Answer:
e
Explanation:
e
The question 38 I can’t understand the question clearly
Answer:
The words are too blur for me darlingExplanation:
Maybe next time^^
P I E C K___________
Which components can be found in all living organisms?
A. guanine and chlorophyll
b. nitrogen and iodine
c. adenine and cytosine
d. estrogen and testosterone
i need help plsssss
Answer:
oxygen, carbon, hydrogen, nitrogen, calcium and phosphorus.
Describe the steps of a muscle contraction.
(1) A message travels from the nervous system to the muscular system, triggering chemical reactions.
(2) The chemical reactions lead to the muscle fibers reorganizing themselves in a way that shortens the muscle--that’s the contraction.
(3) When the nervous system signal is no longer present, the chemical process reverses, and the muscle fibers rearrange again and the muscle relaxes.
Which adaptation is common to animals that live in temperate grasslands?
structures to dig burrows
keen eyesight to help them see in the evening
a thick insulating layer of fat
large ears to regulate body temperature
Answer:
This is 100% right.
Explanation:
Temperate grasslands are characterized by vast expanses of open grasslands with few trees and shrubs, so structures to dig burrows are a common adaptation for animals that live in temperate grasslands, as is preset in the first option.
What are temperate grasslands?Temperate grasslands are biomes characterized by vast expanses of open grasslands with few trees or shrubs. These ecosystems experience a wide range of temperature fluctuations between seasons, with hot summers and cold winters. As a result, animals that live in temperate grasslands have evolved adaptations that enable them to survive in this challenging environment. One of the most common adaptations of grassland animals is the ability to dig burrows. Burrows provide shelter and protection from predators, as well as a stable microclimate for animals to live in.
Hence, structures to dig burrows are a common adaptation for animals that live in temperate grasslands, as is present in the first option.
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HELP PLEASE ITS AN EXAM!!
Which organisms are most closely related?
O species A and B
O species A and C
O species B and C
O species C and D
Answer:
B and c are most closely related
Explanation:
A good example of a positive feedback mechanism would be
(select all
that apply)
A. breast feeding
B. regulating glucose levels in the blood C.enhancement of labor contractions during parturition
D. blood clot formation
E.body temperature regulation
F. blood calcium level regulation
Answer:
enhancement of labor contractions during parturition
Which process in the cell cycle could lead to a cancerous cell?
Answer:
Cancer is unchecked cell growth. Mutations in genes can cause cancer by accelerating cell division rates or inhibiting normal controls on the system, such as cell cycle arrest or programmed cell death. As a mass of cancerous cells grows, it can develop into a tumor
Explanation:
What is something you can never seem to finish?
Answer:
This!! HAHAHA!
Explanation:
Which of the following is NOT an example of a phenotype?
a. Wheat resistance to fungal infection
b. DNA sequence of the alcohol dehydrogenase gene
C. Color of a feather
d. Height of a giraffe
why are different leads are used to measure the ECG
Different leads are used to measure the ECG simply because each lead is recording the electrical activity of the heart from a different direction
Each individual lead's ECG recording is slightly different in shape. This is because when the electrical activity within the heart travels towards a lead you get a positive deflection.
ElectrocardiogramAn electrocardiogram (ECG) is a simple test that can be used to check the heart's rhythm and electrical activity. Sensors attached to the skin are used to detect the electrical signals produced by your heart each time it beats
ElectrocardiographyElectrocardiography is the process of producing an electrocardiogram, a recording of the heart's electrical activity.
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Which statement accurately compares these flashlights?
O A. The smaller flashlight has less inertia than the larger flashlight, so
it takes less force to change the motion of the smaller flashlight.
O B. The smaller flashlight has more inertia than the larger flashlight,
so it takes more force to change the motion of the smaller
flashlight.
C. The smaller flashlight has less inertia than the larger flashlight, so
it takes more force to change the motion of the smaller flashlight.
O D. The smaller flashlight has more inertia than the larger flashlight,
so it takes less force to change the motion of the smaller
flashlight
The smaller flashlight has less inertia than the larger flashlight, so it takes
less force to change the motion of the smaller flashlight.
Inertia is defined as the property of an object to resist changes in its velocity
when in motion. A larger or bigger body has more mass and inertia as it
requires more force to change the direction of the object.
The smaller flashlight has less inertia than the larger flashlight and hence
requires less force to change its motion due to its smaller size.
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All of the following would result in a population increase except
- a high rate of immigration
- a higher death rate than birth rate
- a low rate of emigration
- a low birth rate
4. Which factors favor the exchange between blood and tissues?
Answer:
The primary force driving fluid transport between the capillaries and tissues is hydrostatic pressure.which can be defined as the pressure of any fluid enclosed in a space. Blood hydrostatic pressure is the force exerted by the blood confined within blood vessels or heart chambers.The rate of exchange, In either direction, Is determined by physical factors : hydrostatic pressureb , oncotic pressure , And the physical nature of the barrier separating the blood and the interstitium of the tissue (Ex:- The permeability of the vessel wall).Hope this helps !!
True and False:
1. (______) Fungi and bacteria are both prokaryote organisms
2. (______) Some Fungi reproduce both sexually and asexually.
3. (______) Saccharomyces cerevisiae reproduce sexually by budding.
4. (______) Lactophenol cotton blue is mostly used for staining the dark mold
5. (______) Yeast is regarded as multicellular fungi and molds are unicellular fungi.
Answer:
1. Falso
2. Falso
3. Verdadero
4. Falso
5. verdadero
Explanation:
1. Las células de los animales, las plantas y los hongos son eucariotas
2. Los hongos se reproducen sobre todo por medio de esporas
3. cerevisiae se reproduce tanto asexual y sexualmente levaduras se reproducen asexualmente mediante un proceso conocido como gemación.
4. La tinción de Azul de lactofenol se emplea para observar hongos.
5. Los hongos pueden ser unicelulares o pluricelulares. Las levaduras son hongos unicelulares
ASAP plz
How does the air pressure at sea level compare with air pressure at higher elevations such as
Mt. Everest. In your explanation include information about the number of air molecules in a
parcel of air at that altitude and the affect of gravity on pressure at both altitudes.
Answer:
Pressure with Height: pressure decreases with increasing altitude. The pressure at any level in the atmosphere may be interpreted as the total weight of the air above a unit area at any elevation. At higher elevations, there are fewer air molecules above a given surface than a similar surface at lower levels.In addition, gravity is weaker at the equator due to centrifugal forces produced by the planet's rotation. It's also weaker at higher altitudes, further from Earth's centre, such as at the summit of Mount Everest
What does it mean for a bacteria or protist to be photosynthetic?
O They are responsible for disease growth.
o They are only responsible for the decomposition of compost.
They are a primary producer of biomass in the ocean.
They are multi-cellular organisms.
If a bacteria or protist is photosynthetic that means they are the primary producer of biomass in the ocean.
What are primary producers?Primary producers are organisms that produce their own food through the process of photosynthesis or chemosynthesis. These organisms are the base of the food chain in most ecosystems, as they provide the energy that drives the ecosystem.
Photosynthetic primary producers, such as plants, algae, and some bacteria, use energy from sunlight to convert carbon dioxide and water into glucose, a type of sugar. They release oxygen as a byproduct of this process.
Chemosynthetic primary producers, such as some types of bacteria, use energy from chemical reactions to convert inorganic substances into organic matter. These reactions typically involve the oxidation of sulfur compounds or methane, and they occur in environments where sunlight is not available, such as deep ocean vents and underground coal mines.
Primary producers are important because they provide the energy that drives the food chain and support the rest of the ecosystem. Without primary producers, higher-level consumers, such as herbivores and carnivores, would not have a source of energy.
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Show you work here using the data table 1 to calculate the energy consumed by this female sea otter.
Answer:
the female sea otter has 1
Explanation: