Answer:
Examples of type I membrane proteins include the histocompatibility antigens, glycophorin and membrane
immunoglobulin. Examples of type II
membrane proteins include the transferrin receptor, the asialoglycoprotein receptor, and many ecto-enzymes and glycosyl transferases.
1 How long after the formation of Earth did the first life appear?
2 Suggest how we know when the different kinds of organisms first appeared on
Earth.
Fears ago
mple animal-like
red.
3 Up to about 3000 million years ago, there was no oxygen in the Earth's
atmosphere. Today, about one fifth of the atmosphere is oxygen gas.
Use the information on page 6 to suggest what caused this change.
Answer:
1.After 10 years
2.we have our ancestors who see it
3.the change was caused by the trees and the good nature surrounds our planet
Note that science believe that every living organisms on earth is made by bacteria
In 3-5 sentences explain, why when DDT was released for insect control it had to be banned in 1972 and what this phenomenon is an example of.
DDT was banned after it was released for insect control due to the following reasons:
Threat to human livesThreat to wildlifeHas side health effectWhat is DDT?It is a colourless and odourless chemical substance. It full meaning is Dichlorodiphenyltrichloroethane.
It is an organic compound originally produced as insecticides to control insects
It was later banned in 1972 for use dues to its negative effects in the environment, humans and animals.
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Genetic engineering is a branch of science that uses biotechnology tools to make modifications to organisms to express new phenotypes. One application of genetic engineering is creating genetically modified crops. Assess which of the statements applies to the field of biotechnology and genetic engineering in an accurate manner. You may select more than one correct answer.
A) Genetically modified foods are dangerous for human consumption.
B) Genetically modified crops can contain DNA from two different species.
C) Genetically modified crops increase the genetic diversity of a species.
D) Genetically modified crops may grow in areas outside of the native range.
E) Genetic modification can create improved crops faster than traditional selective breeding programs.
Answer:
BCD
Explanation:
Just got that question wrong in Test Prep
What’s a common element among personality
A) they’re administered by psychologist
B) they’re self-reporting
C) there all scientific
D) they all use common formula
Answer:
They all use common formula
Help please
ASAP
Earth and space
Answer: a, suspension
Explanation:
Describe the currents that form along the equator.
The currents that form along the equator are known as equatorial currents. These currents are driven by the trade winds and the Earth's rotation, creating a unique circulation pattern in the ocean.
There are two main equatorial currents:
Equatorial Counter Current: This current flows eastward along the equator, opposing the direction of the trade winds. North Equatorial Current and South Equatorial Current: These currents flow westward on either side of the equator.The equatorial currents play a significant role in redistributing heat across the ocean and influencing climate patterns.
Thus, the equatorial currents along the equator are dynamic and essential components of the global ocean circulation system, playing a crucial role in the Earth's climate system.
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he discovery of mitochondrial DNA (mtDNA) had no effect on which area of scientific investigation?
Answer:
A diseased cell is no longer able to produce proteins.
Explanation: The discovery of mitochondrial DNA (mtDNA) had no effect on the study of cork bark.
Where can tephra be found?
Answer:In the troposphere
Explanation:
pls mark as brainliest!
What is heat?
A. Heat is the energy needed to change the temperature of 1 g of a substance by 1°C.
B.Heat is the average kinetic energy of the particles of a substance.
C.Heat is the total energy of a substance due to the movement of its particles.
D.Heat is the energy that flows between two substances of different temperatures.
Answer:
D
Explanation:
heat is the energy that flows between two substances of different temperatures
Answer:
D
Explanation:
Heat is the energy that flows between two substances of different temperatures.
How would a scientist describe the illustrations showing the bones of a whale flipper and a bat
wing?
Vestigial structures because they will lose their function over time
Homologous structures because the structures are similar but have different functions
Analogous structures because they are similar but have different functions.
Embryonic structures because they show up before the species matures.
The bones of a whale flipper and a batwing are homo-logous structures because the structures are similar but have different functions. They have a common origin.
What are homo-logous structures?Homo-logous structures can be considered as similar structures that have the same evolutionary origin but may or not have the same function.
Homo-logous structures are always present in a common ancestor of the species that have these structures.
Conversely, analogous structures have the same function but they do not exhibit a common origin.
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Help me please I only have 5 minutes left
Earth and space
How many amino acids must be obtained in the diet because they cannot be made by the body? 2 5 10 20How many amino acids must be obtained in the diet because they cannot be made by the body? 2 5 10 20
Answer:
C or 10
Explanation:
What are the four types of parenting styles?
Answer:
strict, fun, laid back, weird
Explanation:
PLS HELP
How is photosynthesis different than cellular respiration?
A. The process involves oxygen
B. The process involves light
C. The process involves carbon dioxide
D. The process involves water
Answer:
b
Explanation:
basic bio
Which of the following is a characteristic of inner planets?
Hydrogen and helium atmosphere
Many moons
No land-atmosphere interface
Rocky surface
Answer:
Rocky Surface D).
Explanation:
The inner planets consist of Mercury, Venus, Earth, and Mars. The inner planets all have a common surface composition, which is mainly solid rock. Although some of the inner planets have moons, only one has more than one, while the other two planets lack moons altogether.
None of the inner planets have rings.
The inner planets also tend to have thinner atmospheres. The general pattern for the inner planets is a thin atmosphere, few or no moons, and a surface composed of rock.
Ecosystem function relies on the flow of nutrients from one _________ to another in a cycle. Group of answer choices Country Chemical Reservoir Species Altitude
Ecosystem function is highly dependent on the flow of nutrients from one species to another in a cycle.
What is an ecosystem?An ecosystem refers to a biological community that typically consists of both living organisms (biotic factors) and the physical environment (abiotic factors) in which they interact.
What is a species?A species can be defined as a biological classification of related organisms with similar characteristics that are capable of breeding with one another in a cycle.
Generally, the proper functioning of an ecosystem is highly dependent on the flow of nutrients from one species to another in a cycle and as such determines their ability to survive.
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pls, list at least two extinct birds
Answer:
Dodo bird and Great Auk
hope this helps!
In most normal human somatic cells, telomeres shorten with each division.
a. True
b. False
the golgi body interacts the most with which of these
A.nucleus
B.free ribosomes
C.Nucleolus
D.endoplasmic reticulum
When it comes to the processing and classification of proteins within the cell, the endoplasmic reticulum (ER) and the Golgi apparatus (also known as the Golgi body or Golgi complex) most often interact. Therefore, the correct option is D.
Before being delivered to their final cellular locations, proteins made by ribosomes on the rough endoplasmic reticulum (RER) are folded, packaged, and sorted in the Golgi apparatus. Modification, separation, and packaging of proteins and lipids for transport inside the cell or secretion outside the cell occurs in the Golgi apparatus, which is composed of flattened membrane sacs called cisternae. It takes up proteins and lipids from the ER, modifies them, and then puts them into vesicles for distribution to various cellular compartments or to be secreted from the cell.
Therefore, the correct option is D.
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How does the sociocultural approach view the importance of ethnicity, gender, culture, and socioeconomic status in the development of personality?
Answer:
individualism and collectivism. Personalities are not influenced by cultural setting. Culture, gender, and ethnicity contribute to the development of personality according to the sociocultural approach. ... Sociocultural theorists would agree that family and environment are key factors in personality development.--teya
What are some ways that dioxins affect health? What is AhR and what does it do?
Answer:
Dioxins are highly toxic and can cause cancer, reproductive and developmental problems, damage to the immune system.
The aryl hydrocarbon receptor is a protein best known for its role in mediating toxicity.
The AhR has roles in regulating immunity, stem cell maintenance, and cellular differentiation.
Explanation:
What is the net charge of the structure in the figure below
answer with proof for brainliest
Answer:
B. 1 +
This is because there's 3 protons and 2 electrons.
+3 protons - 2 electrons = +1 overall charge
Hope this helps!
Which of the characteristics describe energy-carrier molecules?
can be coupled to energy-requiring reactions within a cell to help drive the reactions forward
accumulate in large quantities within a cell for long-term storage of energy
are quickly broken down once the molecules release their energy
include molecules, such as ATP, that contain high-energy chemical bonds
are generated when macromolecules, such as proteins, are broken down
Answer:
are quickly broken down once molecules release their energy
Explanation:
The characteristics of energy-carrier molecules are that they are quickly broken down once the molecules release their energy, which isoption. Energy-carrier molecules, like ATP, are quickly broken down into ADP (adenosine diphosphate) and inorganic phosphate (Pi) once they release their energy.
Energy-carrier molecules, such as ATP, store energy in high-energy chemical bonds. When these bonds are broken, energy is released and can be used for cellular processes.Energy-carrier molecules are not typically generated when macromolecules, such as proteins, are broken down. Energy carriers like ATP are produced through cellular respiration, primarily in processes such as glycolysis, the Krebs cycle, and oxidative phosphorylation.
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Hormone levels being controlled through body fluids is called
A. hormonal control.
B. neural control.
C. humoral control.
D. thyroid control.
Answer: C.
Explanation:
Hormone levels being controlled through body fluids is called humoral control
What tissue is this???? No links
Please help me!!!
Answer:
Tissue of the skin i think
Select the correct answer.
What is the correct order in which these structures form during the plant reproduction process?
A. embryo sac, embryo, zygote
B. embryo sac, zygote, embryo
C. zygote, embryo sac, embryo
D. embryo, zygote, embryo sac
Answer:
The answer is B
Explanation:
PLATO
Describe three ecological benefits of preserving rainforest ecosystems discussed in the
lesson
Answer:
Explanation:
Benefits of rainforest ecosystems. 1. Preservation of species. Because they are so biodiverse, healthy rainforest ecosystems are the perfect places to preserve huge numbers of species that would otherwise be endangered.
Rain forest ecosystem have several advantages like preserve species, biodiversity is high etc.
what are the types rainforest ecosystem ?
The major constituents of a rainforest ecosystem are tall evergreen trees, it is formed due to heavy annual rainfall, high temperature, poor quality soil and rich in biodiversity.
There are different types of rain forest such as Tropical rainforests which is present near to the equator, the climate is hot and humid.
Temperate rainforests present in extreme temperate zones, close to coastal areas and the climate is cooler than tropical rainforests.
Third is Flooded forest where dry forest can be flooded by heavy rains or due to tidal river surrounding the forest, climate is highly humid.
Lowland rainforests refers to either tropical or temperate present near to valley. Cloud forests or Montane rainforests is located on the top of mountain top, partially in cloud.
Finally, mangrove forests are also called as mangrove swamps, trees are waterlogged ground.
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Which of these are recommended for preventing some std/sti’s
Answer: condom is a very good way to prevent stis
Explanation:
HELP 50 POINTS !!
Which statement correctly identifies the cells?
A). cell 1 is prokaryotic; cell 2 is eukaryotic
B). cell 1 is eukaryotic; cell 2 is prokaryotic
C). both cells are prokaryotic
D). both cells are eukaryotic
Answer:
its A! cell 1 is prokaryotic; cell 2 is eukaryotic
Explanation:
got it right on k12 test.
What would happen if someone injected tapwater directly into their blood stream?
Answer:
cause your blood cells to become hypotonic possibly leading to death.
Answer:
The plasma will get diluted and it would cause blood cells to become hypotonic which could lead to death. But, the bigger issue is that you're using tap water which is not considered sterile and could lead to infections and other problems
Explanation: