Molecules are the fundamental building blocks of life. Every living organism is composed of various types and amounts of molecules, and the number and types of molecules within cells are essential for the organism to survive and reproduce in different environments.
Molecules are composed of atoms, which are the smallest particles of matter that can interact with one another. The types of atoms that make up molecules can vary, as can the amount of each type of atom in a given molecule. For example, the molecule water is composed of two hydrogen atoms and one oxygen atom.
This basic molecular structure is essential for the survival of many organisms, as water is necessary for hydration and to transport nutrients through the body. Other molecules, such as proteins, carbohydrates, and lipids, are also essential for life. Each of these molecules is composed of different types and amounts of atoms, and the number and types of molecules present in the cells of an organism can vary depending on the environment the organism is in.
The ability of an organism to survive and reproduce in different environments is directly related to the number and types of molecules within its cells. For example, when organisms move from one environment to another, their cells may need to adapt by producing more of some molecules and less of others.
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Please help!!!!!!!!!!!!!!!
Answer:
D
Explanation:
Brainliest?
Can someone help me
Answer:
1...c
2... indicator
3... corrosive
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What might happen to plants if they were unable to develop parts of the stem underground?
Answer:
The water travelling from the roots to the leaves will slow and eventually stop… ... If there are no buds, the plant my become deceased unless there is bulb or root mechanism that will resprout vegetative growth from below the ground to start a new plant…
Explanation:
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ANSWER THIS FOR 20 POINTS!!!
Answer:
Thermometer with rhotomer
Explanation:
Importance of using hand lens in classification of organisms
Answer:
hand lens is used to make small object to appear larger hence visibility is easily attained
What are herbaceous an is it a flower?
Answer:
Herbaceous plants are plants that have non-woody stems. (Like annuals and biennials).
Which statement correctly describes these broken pieces of the sample
What is the main body system affected from sickle cell anemia?
Answer choices:
Digestive System
Nervous system
Circulatory System
Respiratory system
Muscular System
Skeletal System
Answer:
Any and all major organs are affected by sickle cell disease. The liver, heart, kidneys, gallbladder, eyes, bones, and joints can suffer damage from the abnormal function of the sickle cells and their inability to flow through the small blood vessels correctly.
Explanation:
Answer:
The main body system affected by sickle cell anemia is the Circulatory system.
Explanation:
According to John Hopkins Medicine (a reliable source), "Any and all major organs are affected by sickle cell disease. The liver, heart, kidneys, gallbladder, eyes, bones, and joints can suffer damage from the abnormal function of the sickle cells and their inability to flow through the small blood vessels correctly."
Why would you expect to find a great deal of
parenchyma tissue in the roots of plants such as the
carrot, beet, and radish?
Answer:
Parenchyma tissue makes and stores food. Because the roots of carrots, beets, and radishes store food for plant, one would expect to find large amounts of parenchyma tissue in these parts.
DNA is copied during the S Phase of Interphase. Why do cells copy the DNA?
Answer:
During mitosis, a eukaryotic cell undergoes a carefully coordinated nuclear division that results in the formation of two genetically identical daughter cells. Then, at a critical point during interphase (called the S phase), the cell duplicates its chromosomes and ensures its systems are ready for cell division.
Explanation:
2. Full-sized wings are the typical phenotype for Drosophila. Which of the following events most likely led to the
existence of the short-wing allele in Drosophila?
A. a change in the shape of a chromosome
B. a change in the DNA sequence of a gene
C. the insertion of a DNA strand during mitosis
D. the deletion of a chromosome during meiosis
Answer:
B. A change in the DNA sequence of a gene
Explanation:
GIVING BRAINLIEST> NEED HELP
Do the plants and animals on a farm make up an ecosystem? Why or why not?
Answer:
Yes they do
Explanation:
Animals and plants make up a ecosystem because the animals feed off the plants and the animals feed off of other animals.
Answer:
All living things in ecosystems are part of a food chain. A food chain is how energy is passed between things. farms are ecosystems. Farmers work with crops, animals, soils, and the weather to grow our food.
Explanation:
What is one of the biomolecules for which nitrogen is needed (hint: they help build muscles)?
One of the biomolecules for which nitrogen is needed and that build muscles are the proteins, and the nitrogen is also found in the DNA and RNA that are present in the cells.
What is the significance of the nitrogen in the protein?Proteins play many important roles in the body, including building and repairing tissues, and nitrogen is a critical component of proteins, as it is incorporated into the molecule as a part of the amino acids. Without nitrogen, proteins would not be able to form and perform their many important functions so a diet that is rich in protein is important for athletes and bodybuilders to build and repair muscle tissue.
As a result, of the biomolecules for which nitrogen is needed and that build muscles are the proteins, and the nitrogen is also found in the DNA and RNA that are present in the cells.
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When the person from number one was creating "true breeding" lines of plants for certain traits, what method was used?
Complete question:
When the person from number one was creating true-breeding lines of plants for certain traits, what method was used?
A. Self pollination over and over again while discarding plants with unwanted traits
B. Cross-pollination over and over while discarding plans with unwanted traits
C. Allowing for cross-pollination by bees
D. Not allowing the plants to pollinate at all
Answer:
A. Self pollination over and over again while discarding plants with unwanted traits
Explanation:
Due to technical problems, you will find the complete explanation in the attached files.
Which of the following is NOT an example of a primary consumer?
A. Maple trees
B. Caterpillars
C. Cows
D. Horses
Answer:
It would be A - Maple trees.
This is because Caterpillars, Cows, and Horses are all primary consumers as they all eat things. Also, primary consumers are herbivories, and carnivores are secondary consumers.
Explanation:
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Life on Earth has been influenced by what three large scale processes.
Write a paragraph about how one would go about eradicating malaria in West Africa.
Answer:
Africa needs to urgently put a number of additional measures in place to speed up these advances, and to move towards eliminating the disease. These include accelerated investment and deployment of vaccines, new diagnostic tools, new funding strategies for malaria control and keeping in check the drug and insecticide resistance challenge.
Explanation:
Help please!!! The answer doesn’t need to be long.
Answer:
The correct answer is - due to unicellular structure and some characteristics similar to both plants and animals.
Explanation:
Euglena is classified as the protoctists and they perform photosynthesis with the same basic process that plants use but they are able to move around and eat like animals too.
They are not classified as plants or animals as they are unicellular which means they are composed of only one cell, In order to be classified as a plant or animal, an organism has made of more than one cell.
Due to its unicellular body and characteristics similar to both plants and animals they are called protists.
Toxicology is used to determine
A. the classification of a pathogen
B. the vectors of a disease
C. how poisonous a substance is
D. what emerging viruses can cause disease
Other:
Which blome could an animal who hibernates in
the winter to survive the cold live in?
Answer:
Tundra
Explanation:A tundra is mostly Antarctica or the Arctic or mostly an area that's covered with loads of ice and snow.Arctic tundra is a very cold, windy, and treeless biome that's snow-covered for much of the year.
The __ is a series of geologic processes in which rock can form, change form one type to another, be destroyed, and form again.
Answer:
rock cycle
Explanation:
- The situation in which atmospheric gases trap the sun's heat and keep Earth's
surface warm is called
a. weather.
c. climate.
b. greenhouse effect.
d. primary succession.
Answer:
b. greenhouse effect.
Explanation:
What type of organism really spread and diversified during the Cenozoic?
reptiles
fish
amphibians
mammals
Mammals really spread and diversified during the Cenozoic era. So, the correct option is D.
What was Cenozoic era?The Cenozoic Era is defined as the third of the major eras in Earth's history that began about 66 million years ago and extends to the present. This epoch was the interval of time during which the continents assumed their modern configurations and geographic positions during which the Earth's flora and fauna evolved towards the present.
The Cenozoic Era is called the "Age of the Mammals", while the typical landscapes of North America began to develop during the Cenozoic. Birds and mammals rose to prominence after the extinction of giant reptiles.
Thus, Mammals really spread and diversified during the Cenozoic era. So, the correct option is D.
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1, Which of the following is not an organelle within a cell ?
A, nucleus B,chloro plast C ,mitochondria D, Cytoplasm
Answer:
B.chloroplast
Explanation:
chloroplast is gained from the sun through the cytoplasm organelle
red marrow tissue interacts with which 2 body systems
Answer:
I believe it interacts with the lymphatic system (because it creates lymphocytes) and the circulatory system (because it creates red blood cells).
An ion of aluminum has a charge of 3+. The ion contains 10 electrons. How many protons does a neutral atom of aluminum possess?
Answer:
13 protons
Explanation:
Aluminum, which has a symbol of Al, is an element in group 3 of the periodic table. It has a mass number of 27. Since the number of electrons and protons in a neutral atom are the same, a neutral/uncharged atom of aluminum contains 13 electrons, 13 protons and 14 neutrons. Note: Mass number = no. of protons + no. of electrons.
However, according to this question, an ion of aluminum has a charge of 3+, this means that an atom of aluminum has lost 3 electrons i.e. 13 electrons - 3 electrons = 10 electrons. Hence, aluminum atom with charge +3 will have 10 electrons. This doesn't change the fact that aluminum atom in a neutral state possesses 13 protons.
The nervous system and the muscle system responds to stimuli to produce motion. The movements of
Answer:
skeletal
Explanation:
skeletal bones are involuntary
Compare the two Food Web. Which ecosystem would be more likely to survive if a disease killed the grass?
a The forest ecosystem, because the animals would be able to eat other organisms.
b The grassland ecosystem, because it has many herbivores.
c he grass ecosystem, because several predators compete for food
d The forest ecosystem, because it has 3 top predators
Answer:
A
Explanation:
just A, I remember doing this in like 4th or 3rd grade don't really remember but I makes sense
1. You have set up a cell-free transcription system in a test tube. By mixing DNA, RNA polymerase, sigma factors, ribonucleotides and other essential substances you are able to make mRNAs identical to those made under a variety of conditions in the cells from which these components were isolated. What would happen if you were able to remove the sigma factor first added to the tube and replace it with another sigma factor
Answer:
Different messenger RNAs (mRNAs) would have been produced
Explanation:
Sigma factors are protein subunits that form bacterial RNA polymerases and they are responsible to initiate RNA synthesis. The number of sigma factors is variable between different bacterial species. For example, Escherichia coli contains seven sigma factors, while Bacillus subtilis has at least 17 sigma factors, which control the transcription of different genes. These factors determine the specificity of the RNA polymerase to the target gene promoter regions and then control transcription initiation.
Which statement about how geologists study the ages of rock layers is true?
The law of superposition means that older rocks are on top.
Geologists can find the exact age of a rock by looking at its relative position.
The principle of original horizontality provides the basis for the law of superposition.
Relative age can be determined by using the concept of unconformity.
Answer: The principle of original horizontality provides the basis for the law of superposition.
Explanation:
The law of superposition in geology suggests that the rocks or sediments which are newly formed due to erosion and sedimentation of the original rocks lie above the old material. This law is supported by the principle of original horizontality according to which the newly formed sediments suspend horizontally in the layers of rocks and sediments under the effect of gravity. Thus an horizontal strata distinguishes the old and the new material.
Answer:
c
Explanation:
I took the quiz and got it right