Answer: A prokaryotic cell is a simple, single-celled (unicellular) organism that lacks a nucleus, or any other membrane-bound organelle. We will shortly come to see that this is significantly different in eukaryotes. Prokaryotic DNA is found in the central part of the cell: a darkened region called the nucleoid Unlike Archaea and eukaryotes, bacteria have a cell wall made of peptidoglycan, comprised of sugars and amino acids, and many have a polysaccharide capsule (Figure 1).
Explanation:
When water is heated it becomes a gas, like the steam escaping from the pot in the picture. What general statement can be made
about all gases?
es -0)
A)
Gases have a definite shape and volume.
B)
Gases have less kinetic energy that solids or liquids.
Gases will escape from a container that is not covered.
D)
Gases have no definite shape but do have a definite volume.
Lo
Answer:
Gases will escape from a container that is not covered.
Explanation:
i searched up this question for usatestprep, the other person said D which is wrong and it showed C. Gases will escape from a container that is not covered.
2. What are the three common methods of latent fingerprint enhancement?
Answer:
see description
Explanation:
In general, there are four classes of fingerprint powders-regular, luminescent, metallic and thermoplastic. In the past, powder dusting, ninhydrin dipping, iodine fuming and silver nitrate soaking were the most commonly used techniques for latent print development.
The three common methods of latent fingerprint enhancement are regular, luminescent, and thermoplastic.
What do you mean by latent fingerprint?A latent print is an impression of the friction skin of the fingers or palms of the hands that has been transferred to another surface. The permanent and unique arrangement of the features of this skin allows for the identification of an individual to a latent print.
Latent fingerprints are traces of sweat, oil, or other natural secretions on the skin, and they are not ordinarily visible. Latent fingerprints can be made visible by dusting techniques when the surface is hard and by chemical techniques when the surface is porous.
The three fingerprint class types are arches, loops, and whorls. Arches are the least common type of fingerprint, occurring only about 5% of the time.
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Which of the following are similarities between animal cells and plant cells?
1. What is energy?
2. Which type of energy is stored in chemical compounds and released in chemical reactions?
3. What is the different between kinetic and potential energy?
4. Which type of energy, potential or kinetic, does a ball falling through the air have?
5. Which type of energy, potential or kinetic, does a roller coaster at the top of a hill have?
6. Which type of energy, potential or kinetic, is water held back by a dam?
7. Which type of energy, potential or kinetic, is a swinging pendulum?
8. When a car stops, the brakes heat up because of friction. What is this an example of?
9. How can the period of a pendulum be increased?
10. What makes a rubber band more elastic?
11. What happens to the force needed to stretch an elastic object?
12. According to the kinetic theory, what happens when ice melts?
13. What do we use to measure heat energy?
14. What causes conduction?
15. How do liquids and gases transfer heat?
16. What can avoid traveling through a solid, a liquid, or a gas?
17. What does a thermos do?
18. What can aluminum foil do that other substance can’t?
DNA includes the instructions for building __________
Answer:
polypeptides ... genes
Explanation:
list the 6 kingdoms and an give an example of each
Answer:
kingdom of what
Explanation:
What type of cells are humans made from? Plant Cell or Animal Cell
Answer:
animal
Explanation:
In mitosis, two diploid daughter cells are formed. In other words, if you start with 46 chromosomes, you end up with 46 chromosomes.
Answer:
Yes
Explanation:
The results of mitosis are two diploid daughter cells that are genetically identical to the parent.
Oceans, lakes, rivers, and other types of water bodies all make up the
Answer:
Explanation:
The oceans are vast and deep bodies of water. Usually, it is these oceans that separate continents from one another. The oceans are bodies of salt water.
We have five oceans in our world. They are the Pacific Ocean, the Atlantic Ocean, Indian Ocean, Arctic Ocean, the Southern Ocean or Antarctic Ocean.
The largest and deepest ocean in the world is the Pacific ocean, covering one-third of the earth’s surface.
This is followed by the Atlantic ocean and the Indian ocean in order of size.
Oceans are home to a variety of plants and seaweed and thousands of sea creatures like the sea urchins, whales, sharks, octopus, a variety of fish, snakes, squids etc.
In the United States, most state health departments require screening for genetic disorders in newborns. Some states go so far as to require pre-marriage genetic testing, where they examine the potential parents for risk of genetic disorders in their offspring. It's worth noting, however, that some states allow for exemptions from testing based on religious convictions or other established reasons. In your initial post, state whether or not you believe it's appropriate for states to require pre-marriage genetic testing. Explain your reasoning and support your position with credible resources. Review the posts made by your classmates and reply to at least two who took a position other than your own. Reply to those posts indicating which aspect(s) of their reasoning you found most compelling.
Which of the following best describes the relationship of solar UV radiation to the environment?
A. Mutagen
B. Germicide
C. Pollutant
Answer:
It is A Mutagen
Explanation:
Mutagen among the following best describes the relationship of solar radiation to the environment. The UV radiations are radiations having very high energy and it acts as a mutation causing agent.
Which is necessary for natural selection to occur?
adaptation
competition
reproduction
variation
Answer:
reproduction is nesscessary for natural selection to occur
Nerve cell contains more mitochondria than a muscle cell
Earth Science
Choose the statement about the Doppler Effect that is true
It occurs when a wave source moves towards an observer.
It occurs when an observer moves towards a wave source.
It occurs when a wave source moves away from an observer.
It occurs when an observer moves away from a wave source.
All the above are true
Answer:
all the above are true
Explanation:
What pattern did you see repeated every year wit rabbits
how does a moraine form
Questlon 1 of 10
What will a hypothesis become if it is supported by repeated
experimentation?
OA. A conclusion
OB. A control
O C. A scientific theory
O D. A prediction
Answer:
C. A scientific theory
Explanation:
I majored in Biology
what are forms of kinetic energy travelling as electromagnetic waves? Examples include radio waves, visible light, and ultraviolet radiation
A) electromagnet radiation
B) thermal energy
C) kinetic energy
D) potential energy
please help
Answer:
A electromagnetic radiation
Prior Knowledge Questions (Do these BEFORE using the Gizmo.)
1. Two pots have been sitting on the stove for a while. One pot has a copper handle and the
other has a wooden handle. Which handle would you rather touch? Why?
Answer:
The wooden handle because metal handles burn more and wood dont
Explanation:
Which of the following statements about muscles and the muscular
system is true? *
All muscle action is voluntary, or able to be consciously controlled.
The three types of muscle tissue are skeletal muscle, smooth muscle, and involuntary
muscle.
Muscles always work independently to move parts of the body.
Smooth muscle moves food through the digestive system.
Answer:
Smooth muscles nice food through the digestive system
Explanation:
Cardiac muscle movement is involuntary. Think about how you can't stop your heart from beating (I wish lolol).
The three types of muscle tissues are cardiac, smooth and skeletal.
Muscles work with each other all the time. Remember muscles are only able to pull the bones in one direction, so even simple things like chewing require lots of muscles pushing and pulling at your jaw.
The statement that is true about muscles and the muscular system is:
Smooth muscle moves food through the digestive system.What are muscles?They are the main soft structures that are part of the musculoskeletal system of the human body.
Characteristics of the muscular systemThere are three essential types of muscle: cardiac, smooth and skeletal.Most muscles can be controlled at will and allow enough force to be exerted on the skeleton to move us.Smooth muscle is also known as visceral or involuntary, it is located in organs of the abdominal and pelvic area, it is composed of different cells, it helps to move and degrade food products.Therefore, we can conclude that muscles are soft structures that have the ability to contract and produce movement.
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Help I’m being timed
A local population of bobcats has decreased by 10% over the last 10 years. Is this change in population significant enough for the bobcat species to be considered for the Endangered Species List and protection from the government?
Yes, because any change in population even if it has a wide habitat range and large global population is cause for concern and the government should help that population recover.
Yes, because the local population decrease means the other populations are also decreasing even though the species has a wide habitat range and large global population.
No, because a small change in a local population of a species with a wide habitat range and large global population is not cause for concern.
No, because it will probably just go extinct and another predator will take over it's habitat even though it has a wide habitat range and large global population.
Answer:
No, because a small change in a local population of a species with a wide habitat range and large global population is not cause for concern.
Explanation:
Population change can be defined as the change in the number of individuals of a given species in an area during a specific time interval. Local populations may suffer small changes in their size but it generally does not represent an important problem for the survival of these species. A species is classified as endangered when its population size is reduced in a percentage from 50% to 70% within a period of time of ten (10) years. These values and the corresponding list of endangered species have been developed by The International Union for Conservation of Nature (IUCN), which represents the opinion of more than 8,000 researchers worldwide.
A teen's crash rate is highest .
A. When they turn 18.
B. right after they get their license.
C. driving during the day.
Answer:
A. when they turn 18. it's more likely
Teenagers have a higher crash rate right after they get their driver's license. Therefore, option B is correct.
This period is often referred to as the "novice driver" phase. It is a time when new drivers, including teenagers, are less experienced and may lack the necessary skills to handle various driving situations effectively.
During this phase, newly licensed teenagers may still be adjusting to the responsibilities of driving independently. They may not have encountered or developed strategies for handling different road conditions, traffic scenarios, or unexpected events.
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OCMINAIDTE what word can be formed from this
The 2 I found using all the letters were
decimation and medication
You are now trying to map a new gene locus (Gene X) on chromosome 9. You have determined that the recombination frequency between Gene X and Gene A is 12.5%, recombination frequency between Gene X and Gene B is 25%, and the recombination frequency between Gene X and Gene C is 31.25%. Use this information to determine the location of Gene X. Show your work and explain your reasoning.
Answer:
The correct order of genes might be: C, B, A, X (or X, A, B, C)
--C------------B--------------------A-------------------X----
∫-----------------------31.25mu---------------------∫
∫-----------------25mu-----------------∫
∫-----12.5mu----∫
Explanation:
Available data:
the recombination frequency between Gene X and Gene A is 12.5%,the recombination frequency between Gene X and Gene B is 25%, the recombination frequency between Gene X and Gene C is 31.25%.We need to know that 1% of recombinations = 1 map unit. The map unit is the distance between the pair of genes for which one of the 100 meiotic products results in a recombinant one.
The recombination frequencies between two genes determine their distance in the chromosome, measured in map units. So, if we know the recombination frequencies, we can calculate distances between the four genes in the problem and we can figure the genes order out. This is:
Recombination frequencies:
1% of recombination frequency = 1 map unit (MU)
A-X = 12.5% = 12.5 mu
B-X = 25% = 25mu
C-X = 31.25% = 31.25 mu
We do not know the distances between A-B, A-C, and B-C, so we can just estimate the location of the gene X by its distances from genes A, B, and C. To do this we need to think about it as additions. We know that A-X = 12.5 mu, a distance duplicated by B-X = 25 mu (12.5 + 12.5 = 25), and X is farther away from B than from A, so, this might tell us that A is located between B and X.
---B--------------A--------------X------
∫-------------25mu----------∫
∫--12.5mu----∫
Now, we know that X-C = 31.25 mu. And, assuming that these are linked genes, the maximum recombination frequency is always 50%. So the distance between two genes can not exceed 50%. According to this, we might assume that the C gene is near B, because if it was on the other side of X, the distance between B-C would sum 56.25 mu (25 + 31.25), meaning that they would not be linked. So, the correct order might be
--C------------B--------------------A-------------------X----
∫-----------------25mu-----------------∫
∫-----12.5mu-----∫∫-----12.5mu----∫
∫-----------------------31.25mu-------------------∫
∫6.25mu∫
∫------------18.75mu---------∫
The location of Gene X is closest to Gene A located 12.5
Given that :
The recombination frequency between Gene X and Gene A is 12.5%
The recombination frequency between Gene X and Gene B is 25%
The recombination frequency between Gene X and Gene C is 31.5%
The recombination frequency represents the map distance between the genes on the linkage map and the lesser the value of the recombination frequency the more linked are the genes.
The sequence in the linkage map is attached below
Hence we can conclude that the location of Gene X is closest to Gene A located 12.5
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TRUE / FALSE
A mutation ALWAYS results in a change that is harmful to an organism?
Answer:
false
Explanation:
Imagine that you are a genetic counselor, and a couple planning to start a family comes to you for information. Jerome was married before, and he and his first wife have a daughter with sickle cell disease. The brother of his current wife, Michaela, died of complications from sickle cell disease, but neither of her parents has the disease. Draw a pedigree representing this family. Be sure to clearly label Jerome and Michaela.
Answer:
Sickle Cell Anemia is a genetic autosomal recessive condition, takes place when there is the presence of purebred recessive. In heterozygous condition, a person becomes a carrier for the disease. In the case of the dominant allele masks the mutant allele.
M- Michaela
J - Jerome
H^A - normal hemoglobin
H^S - Sickle cell hemoglobin
Which of the following is not caused by a parasitic fungus?
a. ringworm
b. rye ergot
c. Dutch elm disease
d. formation of mychorrizae
Please help, totally struggling!!
Answer:
how are you struggling with the answer is clearly a ringworm
When does the addition of heat result in a rapid temperature rise?
A
When the material has a low latent heat of vaporization.
B.
When the material has a high latent heat of vaporization.
с
When the material has a low specific heat.
D
When the material has a high specific heat.
Answer:
B
Explanation:
The addition of heat results in a rapid temperature rises when the material has high specific heat. Thus, the correct option for this question is D.
What is Specific heat?Specific heat may be defined as the quantity of heat that is significantly required in order to enhance the temperature of one gram of a substance by one degree Celcius. The units of specific heat are typically represented in calories or joules per gram per Celsius degree.
When the material has a high latent heat of vaporization. It illustrates that heat is remarkably needed in order to alter the phase of the substance without stimulating any change in the temperature. So, as per the question, latent heat is not the correct concept to describe.
Therefore, when the material has high specific heat, it will result in a rapid temperature rise. Thus, the correct option for this question is D.
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D. Proteins are made up of amino acids.
3. Which of the following are NOT functions of protein molecules in an animal?
A. Transportation between cells
B. Providing instructions for the rest of the cell
C. Building hair, skin, and nails
D. Communication between cells
Answer:
a
Explanation:
