Explanation:
Rigor mortis develops as the body's energy source (adenosine triphosphate [ATP]) is depleted. Muscle fibers require ATP for relaxation; once depleted, actin and myosin proteins remain complexed, resulting in stiffening of the muscles..
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sam enjoys looking at the stars through his telescope he learns that start were originally clouds made of dust and gasses which statement best describes how these clouse eventually become stars
A. The clouds eventually collapse the force of gravity
B. The clouds increase in temperature until they eventually form a solid
C. The clouds contain particles that are magnetically attracted to each other
D. The clouds begin to cool and fort from masses of ice that eventually fuse together
Answer: A
Explanation:
The statement which best describes how the clouds eventually become stars is that— “The clouds eventually collapse under the force of gravity”. Hence, the correct option is A.
What are stars?Star are huge celestial bodies that are formed by the vast clouds that exist in interstellar space. These clouds are mainly composed of hydrogen and helium gas as well as small amounts of heavier elements such as carbon, nitrogen, and oxygen.
Overtime, the clouds begin to collapse under their own gravity and as they do, they become denser and more compact. As the cloud collapses, it begins to spin and then flattens into a disc-like shape. This disc becomes the birthplace of new stars.
The process of star formation is not simple and straight forward. Hence, the first step of formation of stars is the cloud collapses under its own force of gravity. Therefore, option A correct.
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-2 In a pasture ecosystem a large portion of the biomass is represented
pasture vegetation compared to animals that feed on these grasses.
illustrated by such a pasture ecosystem is called alan...
A food chain.
B food web.
с ecological pyramid.
D energy flow.
a
Explanation:
im not really sure about the answer i chosed but maybe yes
Explain how the genetic disease called Sickle Cell Anemia is more prevalent in African- Americans compared to other races because of the Malaria Disease.
Answer:
Explanation:
This is because sickle cell disease is common in malaria dorminated area because their traits confers resistance to malaria. The red blood cells, which contain abnormal hemoglobin become sickle in shape after it has been affected by malaria parasite. Therefore, most American that have African ancestry are at high risk of
the disease because the African ancestry are carriers if this gene and are inherited by the Americans.
To enter or leave a cell substance must be through
a - microtubules
b - Golgi apparatus
c - the plasma membrane
d - the nucleus
Answer:
d - the nucleus
I hope it helps......
c - the plasma membrane
The plasma membrane is barrier between the outside and the inside of the cell
Why are fossil fuels considered nonrenewable resources? A. They form quickly due to decaying biomass. B. They require both sunlight and water to form. C. They cannot be used to create electricity. D. They take millions of years to form.
Answer:
B
Explanation:
Just go with it.
It's Right.
a) january
b) june
c) april
d) october
Answer:
april
Explanation:
FUN FACT: my b-day is april 11th
URGENT HELP WILL GIVE BRAINLIEST!
Answer:
tall pea plants and short pea plants
Explanation:
well there are two generic genes
one will take one and the other
The phase of mitosis that is characterized by the arrangement of all chromatids along the equator of the cell is called
Sense helps in translating outside information in understanding
the environment.
Select one
True
False
Answer:
true
because of sense we only understand our environment
if there will no sense
then there will no mean of anything
A balance is best used to measure a sample’s _______.
a.
volume
b.
length
c.
mass
d.
size
Please Help!!!
How many ATP can be obtained from the complete beta-oxidation and metabolism of one 16-carbon fatty acid molecule?
Answer:
read ex
Explanation:
129 ATP
how is the prairie ecosystem similar to the native plant ecosystem?
Answer: Prairies are ecosystems considered part of the temperate grasslands, savannas, and shrublands biome by ecologists, based on similar temperate climates, moderate rainfall, and a composition of grasses, herbs, and shrubs, rather than trees,
Native plants are plants indigenous to a given area in geologic time. This includes plants that have developed, occur naturally, or existed for many years
so in conclusion there is a large difference between them
Describe how the movement of water landforms form
Answer:
The moving of water causes erosion, deposition and much more!
Explanation:
Water moving across the earth in streams and rivers pushes along soil and breaks down pieces of rock in a process called erosion. The moving water carries away rock and soil from some areas and deposits them in other areas, creating new landforms or changing the course of a stream or river.
Motor proteins provide for molecular motion in cells by interacting with which of the following cellular structures?
components of the cytoskeleton
membrane proteins of the inner nuclear envelope
free ribosomes and ribosomes attached to the ER
cellulose fibers in the cell wall
Answer:
microtubules more chromosome motor protein required energy in the form of ATP ATP hydrolysis result in a conformational change that allows the protein to mobile of microtubule actor
What are the advantages and disadvantages of the serial dilution-agar plate procedure?
Answer:
Advantages
- Serial dilution is used in microbiology to estimate the concentration or number of cells/organisms in a sample to obtain an incubated plate with an easily countable number of colonies.
- In biochemistry, serial dilution is used to obtain the desired concentration of reagents and chemicals from a higher concentration.
- In pharmaceutical laboratories, serial dilution is performed to receive the necessary concentration of chemicals and compounds as this method is more effective than individual dilutions.
- In homeopathy, homeopathic dilutions are used where a substance is diluted in distilled water or alcohol. It is believed than dilution increases the potency of the diluted substance by activating its vital energy.
Disadvantages
- An error might occur during the propagation of the sample, and the transfer inaccuracies lead to less accurate and less precise transfer. This results in the highest dilution to have the most inaccuracies and the least accuracy.
- Because serial dilution is performed in a stepwise manner, it requires a more extended period of time which limits the efficiency of the method.
- Serial dilution only allows the reduction of bacteria/cells but not the separation of bacteria/cells like in other techniques like flow cytometry.
- This technique also requires highly trained microbiologists and experts in aseptic techniques.
What is active transport?
Answer:
the movement of ions or molecules across a cell membrane into a region of higher concentration, assisted by enzymes and requiring energy.
Explanation:
Cell X
Cell w
Cell Y
Cell Z
Х
х
х
Cell Membrane
x x
х
х
Cell Wall
Chloroplasts
Х
х
DNA
х
х
х
Nucleus
Х
Х
х
Which cell that was viewed is most likely a prokaryote?
nucleus,cell membrane
Which type of law is used to discipline members of the armed services?
Answer: D
Explanation: because they are in the military and that’s the only law I would recommend if someone needed discipline in the military
Because it's most resistant to deterioration, which type of molecule is most often found in molecular fossils?
A. RNA molecules
B. Protein molecules
C. DNA molecules
D. Lipid molecules
Answer:
Of the four main groups of organic molecules, Lipids are the most resistant to decay. They are also highly insoluble in water. All cells produce this type of organic compound to be used in their membranes and in energy storage. These type of organic molecules are found in kerogens
I need help with question 54 .
Answer: D
In the laboratory, under favorable conditions, a bacterial population will grow exponentially, but in the real environment, these favorable conditions do not always exist.
Which skull bone is part of the facial bones and contains teeth?
Answer:
The anterior skull consists of the facial bones and provides the bony support for the eyes and structures of the face. This view of the skull is dominated by the openings of the orbits and the nasal cavity. Also seen are the upper and lower jaws, with their respective teeth
Muscle tissues are made of specialized unitss called?
Answer:
Each skeletal muscle fiber consists of a bundle of myofibrils, which are bundles of protein filaments. The filaments are arranged in repeating units called sarcomeres, which are the basic functional units of skeletal muscles.
Explanation:
Answer:
skeletal muscle
Explanation:
If Ava drops a 5 kg ball off a 20 meter building and Clayton drops a 5 kg ball
off a 40 meter building, which ball will have more potential energy?"
A.Ava's ball
B.Clayton's ball
(iv) Measles. Mumps, Diphtheria Polio odd one
Answer: The odd one one is diphtheria
Explanation:
There are very minute living organisms that are able to cause different diseases to human which are found in our environment. These are known are microorganisms. They include:
--> viruses
--> bacteria
--> fungi
These microorganisms are able to establish an INFECTION in its human host when it's able fight and overcome the body defence mechanism of the host.
Diphtheria is the odd one because it's an infection which is caused by BACTERIA organism while other options while includes measles, mumps and polio are caused by VIRUS microorganisms.
BACTERIA are the larger microorganisms with a very simple cell structure where the nucleus is not enclosed within a membrane. While VIRUS are the simplest and smallest microorganisms which do not have a cell structure.
Diphtheria is an infection caused by the bacteria microorganism known as the Corynebacterium diphtheriae. These bacteria are able to produce toxins which is its virulent factor that are poisonous to its host.
Measles is an infection caused by paramyxovirus.
Mumps is an infection caused by mumps virus
Polio is an infection caused by picornavirus.
Therefore, Diphtheria infection is the odd one out.
Which two events take place during human sexual reproduction?
A. Fragmentation
B. Spore formation
C. Fertilization
D. Gamete formation
Answer and Explanation:
C...
Gamete formation and fertilization takes place during human reproduction. Therefore, option (C) and (D) are correct.
What is sexual reproduction in humans?Human fertilisation produces a human child via human reproduction, which is reproduction. It usually entails activity between a sexually mature male and female person.
Copulation, or sexual intercourse, involves the insertion of the erect into the vagina and the ejection of spermatozoa from the seminal fluid (semen) into the female genital tract. The ovum in the outer portion of the fallopian tube is subsequently fertilised by spermatozoa as they travel from the vagina via the uterus to the tube.
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9.
Strand A would normally be found in the
A. plasma membrane
B. ribosome.
Yasuole
nucleus
Answer:
the Nucleus
Explanation:
Swimmers ear is a fungal infection that occurs where ?
Answer:
Ear canal
Explanation:
The normal real behavior of a person or an animal can be
understood by naturalistic observation.
Select one:
True
False
The normal real behavior of a person or an animal can be
understood by naturalistic observation.
A microscope has a 4x ocular lens and a 10x objective, what is this microscope's
total magnification?
4x
14x
40x
400x
Answer:
It would be 40x
Explanation: The explanation is that 10x and 4x is 40x on a microscope unless you are working with a different type of microscope with the 50x ocular lens
Pyruvic acid passes through two
of the
and into the
Explanation:
I don't know