T chart of prokaryotic cell vs eukaryotic cell.
Prokaryotic cell size is generally small ( 0.5-10um ).Nuclear region is not surrounded by nuclear membrane. Membrane bound organelles such as mitochondria, Lysosomes, endoplasmic reticulum are absent nucleus is absent. cell division is by fission or budding ( but no mitosis ).they always have single chromosome. DNA is circular and lies free in the cytoplasm. DNA is nàked( not associated with proteins or RNA to form chromosome) eg - found in PPLO bacteria and blue green algae. Eukaryotic cell they are larget in size (1-100um)Nuclear region is surrounded by a nuclear membrane. all the membrane bound organelles are present. nucleus present. cell diviis mitotic or meiotic.they have more than one chromosome. DNA is linear and contained in a nucleus. DNA is associated with proteins and RNA to form chromosomes. e.g found in plants and animals other than PPLO and blue green algae.Which option describes how Darwin’s journey affected science?
Darwin came up with an explanation for how organisms change through artificial selection. His idea that current domesticated animals could be improved was based on his observations.
Darwin came up with an explanation for how organisms changed over time through natural selection and the theory of evolution. His ideas were based on the observations that he made during his journey.
Darwin came up with natural selection based on his observations on his journey. The theory of evolution was formed later by different scientists.
Darwin came up with cures for many diseases that affected sailors on long voyages. These cures allowed for longer voyages and changed the world.
Answer: option 2 and 3 both are closely related and correct ,but the best one according to me is option
Please Help I Need Help
Explanation:
symbitotic: close ecological relationship between two or more organisms that live in close contact
mutualism is a symbiotic relationship in which both organisms benefit;
parasitism is a symbiotic relationship in which one organism benefits while the other organism is harmed
commensalism one organism benefits, the other neither benefits nor is harmed
:commensalism: answers will vary; lesser long-nosed bat/saguaro cactus; human and pet dog
Mutulism: answers will vary, human and eyelash mite, clownfish.and sea anemone
parasitism answers will vary, caterpillar and wasp, human and tapeworm
How are green algae related to land plants? (Select all that apply.)
□ both have chlorophyll
□ both have a cell wall
□ both have chloroplasts
□ both have a nucleus
Answer: Both have chlorophyll and both have chloroplasts
Hope this helps you!!!
Answer:
Both have chlorophyll
Both have a cell wall
Both have chloroplasts
Both have a nucleus
Explanation:
(*) Sorry for my late answer but I hope this helps others that are looking for this.
100% in the test ;)
22. List the three parent nuclides of the Ntural decay series.
Answer:
The parent nuclides are uranium- 238 , uranium- 235 , and thorium- 232 .
Explanation:
What is as3xual reproduction?
1.when an organism mutates and becomes a different organism
2.when male and female parts unite to create a zygote
3.when an organism reproduces without combining male and female cells
4.when a male s3x cell splits into smaller parts
Which act regulates the handling of
tailings from mining operations?
A. Endangered Species Act
B. Solid Waste Disposal Act
C. Occupational Health and Safety Act
Answer:
this is my answer The MMDR ActExplanation:
this my explanationThe MMDR Act empowers the central government to issue directions to the State governments to ensure sustainable development and exploitation of minerals to reduce adverse air, ground, water and ambient noise impactsAnswer: B. Solid Waste Disposal Act
Explanation:
The 1918 Influenza epidemic killed between 50 million and 100 million people worldwide. The epidemic happened near the end of World War I. More people died from the influenza epidemic than from the war. Which of the following explains why this virus was so deadly worldwide?
The following explains why this virus was so deadly worldwide was the cause of its worldly The 1918 Influenza epidemic killed among 50 million and a hundred million humans worldwide.
Which of the subsequent explains why this virus become so lethal worldwide?In the United States, the flu's toll become a good deal lower: a 1. five percent decline in GDP and a 2.1 percentage drop in consumption. The decline in financial hobbies mixed with expanded inflation led to huge declines withinside the actual returns on shares and short-time period authorities bonds.
This become truly the case with the influenza pandemic of 1918-1919, which become one of the worst contagion crises withinside the records of humankind.
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One of the significant adaptations to prevent drying out in the land environment was the development by vascular plants of (a)
Answer:sun eating plant
Explanation:
Organisms from which kingdom are most likely to chemically digest their food outside their bodies?
Answer:
i think it is fungi
Explanation:sorry if i am wrong
What parts of the chemical equation for photosynthesis are organic molecules?
Answer:
Glucose
Explanation:
Organic molecules are those in which carbon is bonded to hydrogen. Glucose is, therefore, an organic molecule. Carbon dioxide, while it contains carbon, does not include hydrogen, and is, therefore, an inorganic molecule.
2. What do humans require freshwater for and what will happen if we deplete freshwater resources?
Answer:
We need freshwater for basic needs, such as bathing, and drinking. Withtout freshwater the world will die off, as we need water to survive. if we deplete the world will start losing water, therefore sending world into a panic.
Explanation:
What phenotypes are possible for the turtles?
Answer:Reptile
Explanation:im not sure
The chart below shows some information about two scientists.
Name of
Details about scientist
Views about the solar system
scientist
Nicholaus
Studied Aristotle's theory of homocentric spheres and
Ptolemy's mechanism of epicycles
Suggested that Earth revolved around the
sun in spherical orbits
Copernicus
Johannes Kepler
Studied astronomy and incorporated religious beliefs into Suggested that the orbits of planets were
his works
elliptical
Which of these statements best explains why Copernicus and Kepler had different views about the solar system?
O They came from different cultures.
O They liked to disagree professionally.
O They had different goals and interests.
O They misinterpreted scientific facts and data.
The best statement that explains why Copernicus and Kepler had different views about the solar system is that they had different goals and interests, which is the third option, as Copernicus and Kepler had different perspectives on the solar system.
Copernicus, a Polish astronomer, was interested in the simplicity and elegance of the universe and sought to find a more accurate model of the solar system. He proposed that the sun, not the earth, was at the center of the solar system, which was a revolutionary idea at the time. On the other hand, Kepler, a German astronomer, was more focused on the mathematical and physical aspects of the solar system and used his observations of the planets to develop the laws of planetary motion.
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the internal motion of particles of matter is called
A. mechanical energy
b. chemical energy
c. electromagnetic energy
d. heat energy
Answer:
the answer is D heat energy
Line breeding disadvantages
Answer:
Higher offspring mortality. Shorter lifespan. Increase in genetic diseases. Reduced “genetic potential” (ability to improve a trait)
Which statement below accurately describes how exercise affects the rate of blood flow in the body?
Exercise affects the rate of blood flow in the body because it increases the muscle strength of the heart.
What is exercise?Exercise is a physical activity performed by an individual to enable the body burn calories while moving various muscles and joints of the body.
The benefits of exercise is that is affects the rate of blood flow in the body because helps in increasing the cardiac muscle strength.
Therefore, exercise affects the rate of blood flow in the body because it increases the muscle strength of the heart.
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All of the traits below are characteristic of the class Mammalia except which?
A.Four-chambered heart
B. Milk production for young
C.Oviparous birth of young
D. Hair covering the body
All of the traits below are characteristic of the class Mammalia except C.Oviparous birth of young as they do not lay eggs.
What are the Oviparous ?Animals that reproduce via way of means of laying eggs are referred to as oviparous animals. In those animals, the manner of each fertilization and embryo improvement does now no longer arise within the mother. Birds and frogs are examples of oviparous animals.
Most mammals are viviparous, giving beginning to stay young. However, the 5 species of monotreme, the platypuses and the echidnas lay egg.
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Answer:
C. Oviparous birth of young
Explanation:
The vast majority of mammals are viviparous, and only a couple are oviparous.
Some plant species and animal species depend on each other. Which of these animals help thousands of plant species to reproduce?.
Answer:
bees, birds, butterflies, bats, but mostly bees.
Explanation:
Prejudice can be an unconscious phenomenon. please select the best answer from the choices provided t f
The statement indicating that 'prejudice can be an unconscious phenomenon' is TRUE.
What are prejudices?A prejudice is a conscious emotion associated with a prejudgement of a person and/or given situation.
Prejudices are inadequate because they are usually wrong and do not reflect true emotions.In conclusion, the statement indicating that 'prejudice can be an unconscious phenomenon' is TRUE.
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Prejudice can be an unconscious phenomenon : This statement is TRUE
What is an unconscious phenomenonAn unconscious phenomenon is defined as an unbiased bias which can also be defined as prejudice.
Prejudice is an unbiased act which favors a person or group in comparison to a second person or group. therefore we can categorise prejudice as an unconscious phenomenon.
Hence we can conclude that Prejudice can be an unconscious phenomenon : TRUE
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How can cognitive dissonance help to reduce unconsciously prejudiced or discriminatory behavior? a. cognitive dissonance creates a tension between the intentions and the actions that the individual is motivated to reduce by changing one’s behavior. b. cognitive dissonance creates a space in which discriminatory behavior is impossible, leading to a gradual reduction in those behaviors in every part of life. c. cognitive dissonance creates an excuse to change behavior that may be socially acceptable yet prejudiced without giving any reason for others to doubt one’s sincerity. d. cognitive dissonance creates an inclusive environment around the individual in which all parties, no matter their affiliations, are welcome to behave in a neutral manner.
Cognitive dissonance creates tension between the intentions and the actions that the individual is motivated to reduce by changing one’s behavior (Option a).
What is cognitive dissonance?The expression cognitive dissonance makes reference to the disturbance produced by two confronting beliefs.
These cognitive emotions (cognitive dissonance) generate tension in the individual.In conclusion, cognitive dissonance creates tension between the intentions and the actions that the individual is motivated to reduce by changing one’s behavior (Option a).
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Question 2 of
What physical property is described in the following statement?: The asphalt
is smooth.
OA. Hardness
W
O B. Shape
O C. Texture
OD. Size
SUBMIT
Answer: C.Texture
Explanation:
What three factors determine a person skin color?
Answer:
Melanin- Inside of Stratum Basale, yellow, brown, black made by melanocytes
Hemoglobin- Dermis capillaries create red from blood cells.
Carotene- Pigments colored yellow/orange.
What portion of the uterus is composed of smooth muscle and contracts rhythmically during orgasm and childbirth?.
Which processes involve the production of identical daughter cells
Answer:
mitosis
Explanation:
mitosis is a cellular division that yields two daughter cells that are identical to parent cell.
Label the 3 layers of the sun
Answer:
middle layer is core, second layer is radiative, and the outer layer is convection
Explanation:
D 5. What is ecosystem diversity? the number of different genes in an ecosystem O the number of different ecosystems in an area the number of different niches in an ecosystem the number of different nutrients in an ecosystem
Answer:
Option 2
Explanation:
Ecosystem diversity refers to the number of different ecosystems in an area.
When alleles segregate randomly during meiosis it is called:.
Energy waves from large earthquakes can move through large portions of the earth. these waves
are called
Which rna carries amino acids to the ribosome and helps translate a coded message?.
Answer:
TRNA.
Explanation:
TRNA carries amino acids to the ribosome. It has three nitrogen bases, and it basically finds the corresponding codon on the MRNA, and attaches to it.
what part of the flowering plant becomes fruit
Answer:
The ovary is the part of the plant that becomes fruit.