The leaf layer containing chloroplast is:
phloem, xylem, cuticle, or palisade
Answer: Palisade
Explanation: The epidermis is a protective layer of cells and contains no chloroplasts. The palisade layer contains the most chloroplasts as it is near the top of the leaf. The chloroplasts contain the pigment chlorophyll. The palisade cells are arranged upright.
Which of the following is not a function of carbohydrates?
a structure
b genetic material
c storage
d energy
Carbohydrates are the primary source of energy in living organisms. It is a macromolecule and one of the primary nutrients required by the body.
The functions of the carbohydrates are:
Carbohydrates such as cellulose are the primary component of the cell wall of plants, bacteria, and algae. The compound provides structural support to the cells. Carbohydrates such as starch and glycogen are stored and can be used as a source of energy in time of need. Carbohydrate like glucose is the primary compound in several enzyme-catalyzed reactions to yield ATP.Thus, the correct answer is Option B.
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(Need help) If you Were a Scienctist,describe the information about parts of the universe that could be collected using electromagnetic waves
electric bells .... maybe I am not sure
What happens when a gene is expressed?
the gene is mutated
the gene dies
the gene is able to specialize
the gene duplicatesexactly
Answer:
Gene expression is the process by which the information encoded in a gene is used to direct the assembly of a protein molecule. The cell reads the sequence of the gene in groups of three bases.
Explanation:
Answer:
lol
Explanation:
1 and 2
Explain and describe complex inheritance.
Answer:
Complex Inheritance: (inherited) traits that have a genetic component that does not follow strict Mendelian inheritance. May involve the interaction of two or more genes or gene-environment interactions. ( HGPIA)
Explanation:
ASAP 50 POINTS
Osteoporosis is a disease that can cause bone weakening in women due to calcium loss. One group of patients will be taking the regular calcium pill used for treating osteoporosis. Another group of patients will be taking a new calcium pill used for treating osteoporosis. Calcium levels obtained by taking the new pill will be tested over a six month period and the women’s resulting bone mass will be compared between the two groups at the end of six months of treatment.
What is the Independent variable?
Answer:
The Independent variable would be the pills that are being taken.
Explanation:
The Independent variable is the variable that you control because the Dependent variables depend on what the Independent variable is.
how do materials that cannot diffuse through the cell membrane get into the cell?
Which is the following is true about saturated fats?
a. They are typically solids at room temperature.
b. They are generally the healthiest fats to consume.
c. They cannot be broken down by enzymes.
d. By definition, they always contain one or more double bonds.
The following is true about saturated fats: they are typically solids at room temperature, which is in Option A, as they have a high melting point due to the absence of double bonds in their fatty acid chain.
What are saturated fats?Saturated fats are a type of fat molecule that consists of long chains of fatty acids. These fatty acids are called "saturated" because they are fully "saturated" with hydrogen atoms, that is, there are no double bonds between the carbon atoms in the fatty acid chain. This results in a straight, rigid structure that allows these fats to pack tightly together, which is why they are usually solid at room temperature.
Hence, the following is true about saturated fats: they are typically solid at room temperature, which is in Option A.
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A seismograph is a device that can detect and record seismic waves
Answer:
True
Explanation:
Answer:
True.
Explanation:
Hope this helps!!! <3
Your team must design an area in your school where students can relax between classes. You need to choose a material for a walkway. The materials you need to consider are in the table. Which material should you use so that the area is cool in terms of temperature? PLEASE HELP!!!!
asphalt
red bricks
concrete
soil
Answer:
It's B. Red Bricks
Explanation:
Answer:
Red bricks
Explanation:
Which of the following continents was not covered by ice during the Pleistocene ice age?
a.
Europe
b.
Asia
c.
Australia
d.
North America
How many millimeters are equal to 3.46 meters
Answer:
3460
Explanation:
Answer:
3460
Explanation:
Why do the plant and animal cells SHARE some levels of classification?
Why are some levels of classification DIFFERENT?
Answer:
Evolution and adaptation
Explanation:
I would say that the first reason for animal and plant cell to be alike in some ways is for the main reason of us being derived from the same original source but the difference between the cells comes with the organisms adaptation to the different environments. hope that helps!
6. Has a PH above 7 and is considered a base
A. acid rain
B. milk
C. household bleach
D. battery acid
Albert von Kölliker was the first researcher to isolate mitochondria, which are A) the structures in the center of cells that contain the DNA that governs all aspects of the cell's structure and function. B) the structures within cells that generate energy for fueling cellular processes. C) foreign proteins that cause the immune system to create an antibody. D) nutrient-rich materials that provide cells everything they need to grow.
Answer:
The correct answer is B
Explanation:
Mitochondria are membrane-bound cellular organelles that are found in eukaryotic plant and animal cells that produce high energy compounds (called ATP) that are responsible for cellular activities.
NOTE: ATP (adenosine triphosphate) is described as the unit for energy in biology, hence the answer is B
Answer:
B.
Explanation:
2021 Edge
Organisms at the first trophic level in a food pyramid are:
Describe the role of algae in marine biome
BioWhy would it be hard to find the ideal CO2 level of the light intensity we’re very low?
Answer:
It would be difficult to find the ideal CO2 level with a low light intensity because the plant will have a difficult time trying to survive.
Explanation:
Most nerve senses are routed through the
Which of the following is a symbiotic relationship where one partner benefits and the other does not benefit or lose from the relationship?
Answer:
Commensalism
Explanation:
how can humans increase the amount of endangered or extinct species
Answer:
educate family about endangered species in the area
recycle
buy sustainable products
reduce water consumption
reduce personal footprint
don't buy plastic products
pressure your civil servants
volunteer your time to protect wildlife
50 POINTS PLS ANSWER!!!!
1. Honey Bees are becoming extinct. Which biotechnology could we use to help alleviate that problem and produce more honey bees?
2. Bees need flowers that produce a lot of pollen. Which biotechnology could scientists use to make flowers full of pollen?
Answer: Which biotechnology could we use to help alleviate that problem and produce more honey bees? So far no one has come up with a fix. But now scientists are on the case — and some of their possible solutions sound pretty wild.
Explanation:
Answer:
I know you posted this question in 2020 but ima answer anyway incase somebody may need this.
1. - cloning
2. - i had trouble figuring out this question but im pretty sure your answer is genetic engineering
Explanation:
if you have any questions feel free to message me on my account :)
plz help im dumb lol also i know it might be an easy awnswer its just i dont know for sure
Answer: it reproduces by cell division
the answer should be ..............
D. uses mitosis
Explanation: here is the Wikipedia explanation im not good at explaining
Most yeasts reproduce asexually by mitosis, and many do so by the asymmetric division process known as budding. With their single-celled growth habit, yeasts can be contrasted with molds, which grow hyphae. Fungal species that can take both forms (depending on temperature or other conditions) are called dimorphic fungi.
Answer:
Is very fast
Explanation:
First of all, you're not "dumb"!
Yeast reproduction happens relatively quickly (in a matter of hours, not a matter of days). It CAN occur by mitosis, but most often occurs by a process called budding.
Humans have a "slow" reproduction - it takes 9 months just to produce a single organism!
18. The structural diagram demonstrates two joined amino acids.
Which arrow points to the peptide bond?
A.3
B.1
C.4
D.2
Answer:D
Explanation:
The structural diagram demonstrates two joined amino acids, and the arrow points 2 to the peptide bond, which is in option D, as a peptide bond is a type of covalent chemical bond that is formed between two amino acids when the carboxyl group of one amino acid reacts with the amino group of the other amino acid.
What is a peptide bond?The resulting bond that is formed between the two amino acids is called a peptide bond, and the resulting molecule is called a dipeptide. As more amino acids are added to the chain, a polypeptide is formed. The peptide bond is a strong covalent bond that holds the amino acids together in the polypeptide chain. It is important for determining the structure and function of proteins.
Hence, the structural diagram demonstrates two joined amino acids, and the arrow points 2 to the peptide bond, which is in option D, as a peptide bond is a type of covalent chemical bond that is formed between two amino acids when the carboxyl group of one amino acid reacts with the amino group of the other amino acid.
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Which organism would be the best subject for a study of both photosynthesis and cellular respiration?
a green plant
a chemosynthetic bacterium
an animal that eats plants
an animal that eats animals
Answer:
A green plant
Explanation:
The disruption of which cell function leads to gene mutations that result in cancer?
DNA replication
RNA transcription
RNA translation
protein synthesis
Answer:
its the first one dna replication !!
The process of diffusion occurs when
A. all molecular movement stops.
B. molecules move from areas of lesser concentration to areas of greater
concentration
C. sugar molecules move into a cell.
D. molecules move from areas of greater concentration to areas of lesser
concentration.
Answer:
d
Explanation:
The process of diffusion occurs when molecules move from areas of greater concentration to areas of lesser concentration. The correct option is D.
What is diffusion?The movement of essential, small molecules across the cell membrane as well as the movement of materials within cells both depend on the process of diffusion.
The exchange of gases in the lungs and gills is regulated by this process. As a byproduct of biological metabolism, carbon dioxide is released by all cells.
For example, when you pour a red color drop into the water, slowly the color molecules are evenly distributed in the whole water. It does not need any energy because it works according to the concentration gradient.
Thus, the correct option is D. molecules move from areas of greater concentration to areas of lesser concentration.
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why are photosynthetic organisms found only near the surface of the oceanic zone
Answer:
Because they need light, phytoplankton live near the surface, where enough sunlight can penetrate to power photosynthesis.
Explanation:
I have linked an image of the question I need help with. For this question I have to put which definition is a carbon cycle, which one is a nitrogen cycle, and which one is a phosphorus cycle.
Answer:
I know the middle definition is for the Carbon cycle. I think the first is phosphorus and the last is nitrogen.
Urey and Miller cooked a "Primordial soup" with Hadean gases, water and electricity to make ___, ___, ___, and ___.
Answer:
Urey and miller cooked a "primordial soup" with Hadean gases, water and electricity to make glucose, acetic acid, amino acids and lipids.
Explanation:
In the Miller-Urey experiment, the aim was to reproduce the conditions of the earth before the existence of life, with the objective of demonstrating the formation of organic matter from inorganic molecules.
The scientists took water and gases present in the Hadean eon —previous to the existence of life— such as methane, carbon dioxide, hydrogen, nitrogen and even ammonia, the primordial soup. This mixture was subjected to electrical discharges, inside closed containers.
The results were some organic molecules, including glucose, acetic acid, amino acids and fatty acids. In these results the presence of macromolecules, such as proteins or nucleic acids, is not appreciated, however it was a significant contribution to the knowledge of the origin of life on earth.
