Answer:
The answer would be pesticide producers and herbicide resisters.
Explanation:
Hope this helped!
Explain the relationship between the environment, variation, and selection.
Changing environmental factors can cause certain traits to be favored through
natural selection M. This can lead to changes in genetic variation
COMPLETE
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Answer:
Changing
✔ environmental factors
can cause certain traits to be favored through
✔ natural selection
. This can lead to changes in
✔ genetic variation.
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Our current rockets would take tens of thousands of years to get to even the nearest star, 4.3 ly away. If we invent a spacecraft that can travel 0.1 the speed of light, how long would it take to travel to the nearest star?
- 4.3 ye
- 3.8 x 10^14 yr
- 43 ly
- 1.9 x 10^7 yr
Answer:
It will take the rocket 43 light years to get to the nearest star
Explanation:
1 light year = 9.46 * 10¹⁵ m
speed of light = 3.0 * 10⁸ m/s
In one year, light travels a distance of 1 light year.
A rocket with that travels with a speed 0.1 * the speed of light will travel the distance of one light year in 1/0.1 = 10 light years
Therefore, it will take the rocket 10 * 4.3 light years to get to the star = 43 light years.
43 light years = 43 * 9.46 * 10¹⁴ m = 4.07 * 10¹⁷ m
Example of how muscle tissue could be used in post-mortem analysis
Answer:
Skeletal muscle decomposes more slowly than internal organs and nerve tissue after death, but still more quickly than cartilage and bone.
Together, these factors make muscle tissue a good candidate for postmortem change study and well-suited for standard forensic lab examination.
Which is produced by the endocrine system to control how cells and organs function? Oglands O hormones information O stimuli
Answer:
Hormones
Explanation:
The pituitary gland is part of the endocrine system and produces hormones to control how cells and organs function
How do fungi digest their food sources?.
Answer:Fungi release digestive enzymes into their food and digest it externally.
Explanation:
They absorb the food molecules that result from the external digestion.
I hope this helps
What is the classification of the aldosterone hormone?
The adrenal gland produces the steroid hormone aldosterone, which is specifically a mineralocorticoid. It works on the kidneys to encourage the reabsorption of sodium ions and the excretion of potassium ions.
It is involved in controlling the balance of electrolytes (such as sodium and potassium) and water in the body. Aldosterone and other steroid hormones are created in the adrenal cortex from cholesterol. They can pass cell membranes and bind to intracellular receptors because they are lipid-soluble. This causes changes in gene expression and cellular activity. The hormones cortisol, estrogen, and testosterone are more examples of steroid hormones. Hormones are often categorized based on their chemical make-up and how they interact with receptors in the body. Aldosterone is categorized as a steroid hormone because of its chemical composition and ability to connect to intracellular receptors in the body.
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In hamsters, black fur (B) and white fur (W) are co-dominant. A scientist finds a record of offspring for a mated pair of hamaters
Answer:
bw x bb
Explanation:
Where in the neuron is an action potential initially generated? soma and dendrites' anywhere on the axon axon hillock
An action potential is initially generated at the axon hillock.
In a neuron, an action potential is a brief electrical signal that is transmitted along the axon and enables communication with other neurons or cells in the body. The axon hillock is part of the neuron that connects the cell body or soma to the axon, and it serves as the site of initial action potential generation. The axon hillock integrates all the electrical signals or inputs from the dendrites and soma to determine whether or not an action potential is to be generated.
If the incoming signals are sufficient enough to reach the threshold of excitation at the axon hillock, then an action potential is triggered and propagated along the axon to other cells or neurons. Therefore, the axon hillock is regarded as the trigger zone or initial segment of the axon, where the action potential is generated before it propagates to the rest of the neuron or other cells in the body. In conclusion, the action potential is initially generated at the axon hillock.
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Which flowchart correctly lists the structures in order from smallest to largest?
gene Right-arrow DNA Right-arrow chromosome Right-arrow nucleus
gene Right-arrow chromosome Right-arrow DNA Right-arrow nucleus
DNA Right-arrow gene Right-arrow chromosome Right-arrow nucleus
DNA Right-arrow chromosome Right-arrow gene Right-arrow nucleus
Answer:
gene Right-arrow DNA Right-arrow chromosome Right-arrow nucleus
Explanation:
trust me I'm smart
Listing the structures in order from smallest to largest follows this sequence ( A ) ; Gene right arrow DNA right arrow Chromosome right arrow Nucleus
Gene is the basic unit of heredity in animals, they are made up of DNA strands, while chromosomes ( thread like structures ) are positioned inside the Nucleus of ( plant and animal cells ).
Chromosomes are comprised of proteins and single molecule DNA that are passed from parents to its offspring.
Hence we can conclude that the flowchart that lists the structures in order from smallest to largest follows this sequence ( A ) ; Gene right arrow DNA right arrow Chromosome right arrow Nucleus.
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What are the names of three processes that make new cells?
Answer:
Cellular differentiation, cell division, morphogenesis
Which term describes the area where apopulation lives?A. Age StructureB. Migration LocationC. Growth rateD. Geographic Distribution
Commonly the place where a population lives is described was a habitat, forming a biological community, however there is not an option with that term, but between the present terms the one that is closer to a term for the area where a population lives is D. Geographic Distribution, since all the other alternatives are related to different factors of ecological studies.
the body compartments that participate in the immune system, after the formation of immune cells, are the . multiple select question. extracellular fluid mononuclear phagocyte system ciliary escalator bloodstream gastrointestinal lumen bone marrow cerebrospinal fluid lymphatic system
The body compartments that participate in the immune system, after the formation of immune cells, are the lymphatic system, extracellular fluid, mononuclear phagocyte system, and bloodstream.
What is the specific role of the immune system?The specific role of the immune system refers to the finish with pathogenic agents such as microorganisms or viruses, which depend on the presence of specialized cells and organs.
Therefore, with this data, we can see that the specific role of the immune system is to fight against bacteria and viruses to maintain a health state.
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Question 19
The burning of fossil fuels has the greatest and most direct impact on the
rive
O rock cycle
O water cycle
O carbon cycle
O nitrogen cycle
Question 20
Answer:
The answer is Carbon Cycle.
Explanation:
-The carbon cycle is the cyclic movement of the carbon element in the nature. It is one of the most important natural cycles because carbon element is essential for our environment.
-The excessive amount of input cannot be tolerated by the natural process of the carbon cycle. And, that's why carbon degradation takes place in the various aspects of our environment, especially the atmosphere.
Hope that helps. x
Why cant one antibody mark all the virus?
Answer:
Because the antibody does not have all the properties of that
because the antibodys will gather to all of the virus that it can but it won't cover everything
name 3 physiological processes of cell membrane?{3mks} plz help me guys
Answer:
the cell membrane is an extremely pliable structure composed primarily of back -to- back phospholipids (a "bilayer")
The younger layers of rock in the grand canyon are on top of the older layers
Answer:
"principles of superposition"
Explanation:
Extranuclear inheritance was first described by Carl Correns based on his observations of Mirabilis jalapa (the four o'clock plant). M. jalapa can have either white, variegated (white and green) or green leaves. Pollen from a variegated M. jalapa plant is used to fertilize a white M. jalapa flower. Which of the following phenotypes would you expect to see in the offspring of this cross?
A white M. jalapa bloom is fertilised with pollen from a variegated M. jalapa plant. The following phenotypes would you anticipate this cross's progeny to exhibit is White.
Carl Correns' initial explanation of extranuclear inheritance was based on his observations of Mirabilis jalapa, sometimes known as the "four o'clock plant."
The leaves of M. jalapa might be white, variegated (white and green), or green.
The four o'clock plant, Mirabilis jalapa, is variegated, and certain branches may have only green, only white, or only variegated leaves. C.
Corens first described plastid inheritance in this plant in 1908. Variegation is the term used to describe the appearance of white or yellow dots on leaves on a green background
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Could someone please help
If you use a punnet sq. and cross the parents you see that all the children should be affected. by this thing represented by black.
Why is graphing important to
scientists? (Give at least 2 reasons)
Answer:
They can help visualize the data.
You can actually see what all of the numbers in a data table mean.
Explanation:
Its hard to look at a set of data and understand what it means without organizing it in a way which is easy to understand and refer back to.
Which of the following is not true regarding the absorption of fat-soluble vitamins?
a. Absorption occurs in the small intestine.
b. Fat-soluble vitamins are incorporated into chylomicrons and transported into the lymph.
c. A low-fat meal has no effect on fat-soluble vitamin absorption.
d. Bile is necessary.
"A low-fat meal has no effect on fat-soluble vitamin absorption" is not true regarding the absorption of fat-soluble vitamins. The correct option is C.
Fat-soluble vitamins (vitamin A, D, E, and K) require the presence of dietary fat for optimal absorption.
During digestion, the fat-soluble vitamins are incorporated into micelles with the help of bile acids and are absorbed across the intestinal mucosa by passive diffusion.
The micelles are then reassembled into chylomicrons and transported into the lymphatic system, which eventually releases them into the bloodstream.
Therefore, a low-fat meal can negatively affect the absorption of fat-soluble vitamins since there is not enough fat available to form micelles and aid in their absorption.
The absorption of fat-soluble vitamins occurs primarily in the small intestine and requires the presence of bile.
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The giant sequoia is the tallest tree in the world, and it can grow to be 80 m
(8,000 cm) in height. If a model used a ratio of 1:800, how tall would the
model of the sequoia tree be?
A. 10 cm
OB. 800 cm
C. 80 cm
D. 0.01 cm
Answer:
A. 10 cm
Explanation:
You want to know the height of a 1:800 model of an 80 m (8000 cm) giant sequoia tree.
Scale factorThe scale factor of a model or drawing or map is the ratio of a dimension of the model to the corresponding real world dimension. That is, the model dimension is found by multiplying the real world dimension by the scale factor.
model height = 1/800 × tree height
model height = 1/800 × 8000 cm = 10 cm
The model of the sequoia tree would be 10 cm tall.
Which of the following statements about energy in systems are true?
Energy can be changed from one form to another.
The amount of energy in a system must equal the amount of matter in the system.
When energy leaves a system, it is transformed into matter.
Energy can be transferred into or out of a system.
Answer:
Energy can be changed from one form to another
Explanation:
Energy can't be destroyed or created
energy can be changed from one form to another
E
Match each of the follow two either Meiosis or Mitosis
Answer:
1.mitosis
2.meiosis
3.mitosis
4.mitosis
5.mitosis
6.meiosis
7.meiosis
Explanation:
the nucleus is divided twice in meiosis and once in mitosis
four daughter cells are produced in meiosis and two in mitosis
the role of mitosis is growth and repair, the daughter cells resulted from mitosis are diploid
the cels resulted from meiosis are haploid
meiosis forms sperm acnd egg cells
What is taking place in your nervous system when you eat a slice of delicious cake and decide to eat more of it.
When you eat a delicious cake and decide to eat more, the peripheral nervous system will transmit information to the central nervous system to provide a response.
The nervous system is a complex system that plays a role in regulating and coordinating all bodily activities such as walking, swallowing, speaking and breathing. This system works by taking in information from a specific part of the body or area, processing that information, and triggering a reaction, such as making your muscles move, feeling pain, or breathing.
In the peripheral nervous system, nerves connect the central nervous system's responses to your organs and other parts of your body. Like when eating, the motor nerves in the somatic nervous system which is part of the peripheral nervous system will carry information regarding the taste of delicious food to the central nervous system. The central nervous center will process these impulses and then respond by giving orders to move the hands to eat to take the cake and eat it again and again.
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In a bacterial infection of the periodontium, the cells that arrive to the infection site first (the rapid responders) are the:
a. Polymorphonuclear leukocytes (PMNs).
b. Macrophages.
c. Monocytes.
d. T-lymphocytes.
The cells that arrive at the infection site first in a bacterial infection of the periodontium are the polymorphonuclear leukocytes (PMNs).
In a bacterial infection of the periodontium, the cells that arrive at the infection site first are the polymorphonuclear leukocytes (PMNs).
PMNs, also known as neutrophils, are a type of white blood cell and are part of the innate immune response.
They are the most abundant type of white blood cells and play a crucial role in the initial defense against bacterial infections.
PMNs are rapidly recruited to the site of infection through a process called chemotaxis, which is the movement of cells towards a chemical signal.
Once at the site of infection, PMNs engulf and destroy bacteria through a process called phagocytosis.
They release antimicrobial substances and enzymes to kill and break down the bacteria.
The rapid response of PMNs is vital in containing the infection and preventing its spread to other tissues.
They act as the first line of defense and play a crucial role in the early stages of bacterial infection.
Their quick arrival and effective response help to limit the damage caused by the infection and initiate the subsequent immune response.
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How do plants get nutrients?
Explanation:
Plants get nutrients from the soil in the form of nitrates , nitrites also they obtain minerals from it .
Answer:
Plants get nutrients from air, water and soil. There are, sixteen nutrients essential for the growth of plants. Carbon and Oxygen are supplied by water. The remaining thirteen nutrients are supplied by soil.
.When the body cannot get enough oxygen, it makes ATP via:
A) aerobic metabolism
B) anaerobic metabolism
C) digestion
D) lacrimation
The body makes ATP via anaerobic metabolism when it cannot get enough oxygen. The answer is: B)
When the body is unable to obtain sufficient oxygen, it resorts to anaerobic metabolism to produce ATP (adenosine triphosphate), which is the energy currency of cells. Anaerobic metabolism refers to the breakdown of glucose or other fuel sources in the absence of oxygen.
During anaerobic metabolism, glucose is partially broken down through a process called glycolysis, which occurs in the cytoplasm of cells. This process produces ATP but without the involvement of oxygen. However, the end product of glycolysis in anaerobic conditions is lactic acid or lactate, which can accumulate and lead to fatigue and muscle soreness.
Hence, the correct option is: B) anaerobic metabolism.
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Question 5
1 pts
Small changes of gene frequencies within a particular species is called
O Reverberation
O Microevolution
O Macroevolution
O Medoevolution
Answer:
The answer is Microevolution
Answer:
Microevolution
Explanation:
Think if it as "micro" as in small similar to that of "micro"scope, etc.
What was Aristotle responsible for?
A. Scientific method
B. Calculus
C. pendulum clocks
D. Ship Shaker
Explanation:
made pioneering contributions to all fields of philosophy and science, he invented the field of formal logic, and he identified the various scientific disciplines and explored their relationships to each other. Aristotle was also a teacher and founded his own school in Athens, known as the Lyceum
True or false? Sugar and phosphates provide the energy for DNA replication.
If false explanation please
Answer:
False
Explanation:
The need for energy release or energy addition is debatable for any chemical reaction. However with DNA replication, we are not adding a nucleotide in a random process dispersing energy to no avail.