Complete question, Answer and Explanation:
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How might compound leaves and leaves with lobed margins be well-suited to windy environments
Answer:
Larger leaf size has a broader surface area with more chloroplasts, absorbs more light from the sun and more number of stomata present on the surface of the leaves, which play a crucial role in gaseous exchange during the process of photosynthesis.
Select all possible answers:
Which statements correctly describe current movement?
a. Cold currents move water from the equator to the cooler
areas in the north and south.
b. Warm currents move water from the north and south
towards the equator.
c. Cold currents move water from the north and south
towards the equator.
d. Warm currents move water from the equator to the
cooler areas in the north and south.
Answer:
b
Explanation:
it moves the warm current water from the north and south towards the equator
Warm currents move water from the equator to the cooler areas in the north and south. The correct option is d.
What is ocean current?A continuous, directed movement of sea water caused by a variety of forces acting on the water, such as wind, the Coriolis effect, breaking waves, cabling, and temperature and salinity differences.
Wind, density differences in water masses caused by temperature and salinity variations, gravity, and events such as earthquakes or storms can all cause ocean currents. Currents are streams of seawater that flow through the ocean.
Water expands due to solar heat absorbed at the equator. Such heated water raises the normal sea surface level, and the resulting change in ocean topography can be measured.
Warm ocean currents flow from the equator to the poles, while cold ocean currents flow from the poles to the equator.
Thus, the correct option is d.
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Seeds are reproductive or not ?
Answer: Yes
Explanation: Monocots produce one cotyledon, while dicots produce two. Because seeds are reproductive structures and thus important to a species' survival, plants have evolved many mechanisms to ensure their survival. One such mechanism is seed dormancy. Dormancy comes in two forms: seed coat dormancy and embryo dormancy
Answer:Plants that reproduce by seeds. Seed plants have special structures on them where male and female cells join together through a process called fertilisation. After fertilisation, a tiny plant called an embryo is formed inside a seed.
Which statement regarding the "Krebs bicycle" is true? A) Ultimately, it results in the transport of NADH from the mitochondrial matrix to the cytosol. B) The urea cycle and the citric acid cycle have common cycle intermediates and are thus linked. C) Ultimately, it results in the transport of glutamate from the cytosol to the mitochondrial matrix. D) It requires a set of reactions known as the aspartate–argininosuccinate shunt.
Answer:
The correct answer is option D. It requires a set of reactions known as the aspartate–argininosuccinate shunt.
Explanation:
The Krebs bicycle is made out of on the right side the urea cycle, which networks with the aspartate-argininosuccinate shunt of the TCA cycle present on the left side. By argininosuccinate lyase, Fumarate delivered in the cytosol of the urea cycle enters the Krebs cycle in the mitochondrion and is changed over in a few stages to oxaloacetate.
Oxaloacetate gets an amino gathering with the help of transamination from glutamate, and the aspartate formed and leaves the mitochondrion and gives its amino gathering to the urea cycle in the response of argininosuccinate synthetase activity.
Thus, the correct answer is option D. It requires a set of reactions known as the aspartate–argininosuccinate shunt.
Which example is a biotic factor of a desert environment?
O coyote
O air temperature
O sand
Olight
Answer: its A: coyote
Explanation: Because its the only living thing on the list and a biotic factor has animals.
Which term best describes the temperature and weather conditions of an organism’s environment?
Which term best describes an organism that can contain up to five levels of organization to carry out life functions?
According to the research, the correct options are Abiotic factors describe the temperature and weather conditions of an organism's environment. Multicellular describes an organism that can contain up to five levels of organization.
What are abiotic factors?They are those that arise through the chemical and physical components of the environment that intervene in the characterization of a biotope or ecosystem determined as temperature and weather.
What is Multicellular?It applies to living beings that have more than one cell in their body, which are integrated and independent to varying degrees, that is, which are differentiated to perform vital functions.
Therefore, we can conclude that according to the research, the correct options are Abiotic factors describe the temperature and weather conditions of an organism's environment. Multicellular describes an organism that can contain up to five levels of organization.
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sebastian wants to make ball and stick models of the four macromolecules
Answer:
Sebastian wants to make ball-and-stick models of the four macromolecules. He has colored balls for each of the elements in these molecules, including the following. red: hydrogen black: carbon purple: oxygen green: nitrogen For a model of which macromolecule will he need mostly black and red balls? carbohydrates lipids nucleic acids proteins
Explanation:
thers not much to explain about this but i tryed my best
The brain and spinal cord are part of the _______ nervous system. The electrical charges that act as nervous signals are called _______. Jellyfish do not have a brain. Instead their nervous system is called a _______. After nervous systems began to develop in bilaterally symmetric animals, some developed ventral, or front, nerve cords, while chordates developed _______ nerve cords. Skeletons that allow for movement by using muscles and squeezing liquid to change the body shape are called _______ skeletons. _______ do not grow with arthropods, and so occasionally must be shed and regrown from chitin. Muscles move endo- and exoskeletons by _______. _______ is the joining of two gametes called sperm and egg. A fish that lays her eggs in a cluster is initiating _______ fertilization. _______ are an adaptation by reptiles to allow for reproduction and embryo development on land. Describe three different strategies used by three different animals to thermoregulate. If you see a snake coiled up in a sunny patch of grass, what can you probably conclude about the type of thermoregulator it is. Why?
The brain and spinal cord are part of the central nervous system.
The electrical charges that act as nervous signals are called action potentials or nerve impulses.
Jellyfish do not have a brain. Instead, their nervous system is called a nerve net.
After nervous systems began to develop in bilaterally symmetric animals, some developed ventral nerve cords, while chordates developed dorsal nerve cords.
Skeletons that allow for movement by using muscles and squeezing liquid to change the body shape are called hydrostatic skeletons.
Exoskeletons do not grow with arthropods, and so occasionally must be shed and regrown from chitin.
Muscles move endo- and exoskeletons by contracting and relaxing.
Fertilization is the joining of two gametes called sperm and egg.
A fish that lays her eggs in a cluster is initiating cluster or mass fertilization.
Amniotic eggs are an adaptation by reptiles to allow for reproduction and embryo development on land.
Describe three different strategies used by three different animals to thermoregulate.
Elephants: Elephants thermoregulate by using their large ears as cooling devices. They flap their ears to increase surface area and enhance heat loss through evaporative cooling.Desert Lizards: Desert lizards employ behavioral thermoregulation by basking in the sun to absorb heat and warming their bodies. They also retreat to shade or burrows to avoid excessive heat when needed.Penguins: Penguins have a unique thermoregulation strategy. They huddle together in large groups to conserve body heat and shield themselves from the cold Antarctic winds, effectively reducing heat loss and maintaining body temperature.If you see a snake coiled up in a sunny patch of grass, what can you probably conclude about the type of thermoregulator it is. Why?
If you see a snake coiled up in a sunny patch of grass, you can probably conclude that the snake is an ectotherm. Ectotherms rely on external heat sources, such as the sun, to regulate their body temperature. By basking in the sun, the snake absorbs heat, which helps raise its body temperature to a suitable level for proper physiological functioning.
Answer:
1. central
2. action potential
3. nerve net
4. dorsal
5. hydrostatic
6. Exoskeletons
7. contraction/contracting
8. Fertilization
9. external fertilization
10. Eggs
11. Animals with fur thermoregulate by panting. Winged birds will flap against their mouths/heads to dissipate heat. Humans will produce sweat to evaporatively cool. Polar bears have developed blubber. Bears drop body temperatures during hibernation.
12. Seeing a snake using the warmth of the sun leads us to conclude that it is likely a thermo conformer that cannot produce its own body heat.
Whale belongs to which class of kingdom animalia?
Answer:
Mammalia is the class of Whale.
are phenols and glycosides induced or pre-existing defenses mechanisms for plants immunity ?
Phenols and glycosides are pre-existing defense mechanisms in plants' immune systems. These compounds are part of the plant's chemical defense arsenal and are present in various tissues even before any attack or infection occurs.
Phenols are secondary metabolites found in plants that have antimicrobial and antioxidant properties. They contribute to the plant's defense against pathogens by inhibiting the growth and development of microorganisms. Phenols also play a role in wound healing and lignification, which strengthen the plant's cell walls.
Glycosides are another class of secondary metabolites found in plants that have diverse functions, including defense against herbivores and pathogens. Some glycosides act as toxic compounds when ingested by herbivores, while others can inhibit the growth of microorganisms or interfere with their feeding behavior.
Both phenols and glycosides are produced by plants as part of their constitutive defenses, meaning they are present at baseline levels even in the absence of stress or attack. However, their production can be further induced or enhanced in response to specific stimuli, such as pathogen invasion or herbivore feeding.
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what level of classification contains organisms that can mate and make more of the same kind of organism
Answer:
Classification of Living Things. All living organisms are classified into groups based on very basic, shared characteristics. Organisms within each group are then further divided into smaller groups. These smaller groups are based on more detailed similarities within each larger group.
Kingdoms
The much more basic classification of living things is kingdoms. Currently there are five kingdoms. Living things are placed into certain kingdoms based on how they are obtain their food, the types of cells that make up their body, and the number of cells they contain.
Phylum
The phylum is the second level following kingdom in the classification of living things. It is an attempt to find some kind of physical similarities among organisms within a kingdom. These physical similarities suggest that there is a common ancestry among those organisms in a particular phylum.Classes
Classes are way to further divide organisms of a phylum. As you could probably guess, organisms of a class have even more in common than those in an entire phylum. Humans belong to the Mammal Class because we drink milk as a baby.
Explanation:
What are the two equations for Hardy Weinberg equilibrium? What does each variable represent?
Answer:
The Hardy-Weinberg equilibrium equation (p2+2pq+q2=1) determines the genotype frequency of heterozygotes in equilibrium populations. p = the frequency of the dominant allele in a population. q = the frequency of the recessive allele in a population. 2 p q 2pq 2pq = the frequency of the heterozygous dominant genotype. p 2 p^2 p2 = the frequency of homozygous dominant genotype
Explanation:
Hope this helps! =D
The two equations for Hardy-Weinberg equilibrium are:
p^2 + 2pq + q^2 = 1p + q = 1In these equations, the variables represent:
p: the frequency of the dominant allele in the populationq: the frequency of the recessive allele in the populationIn the first equation, p^2 represents the frequency of homozygous dominant individuals, q^2 represents the frequency of homozygous recessive individuals, and 2pq represents the frequency of heterozygous individuals. The sum of these frequencies must be equal to 1, as they represent all the possible genotypes in the population.
In the second equation, p + q = 1 represents the fact that the total frequency of all alleles in the population must add up to 1.
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_________5. In which of the following activity does C4 plants are more efficient than C3 plants?
A. Fixation of CO2 C. Photolysis
B. Chemiosmosis D. Light absorption
i think its A.fixation of CO2
what does all life exist in?
Answer:
The biosphere
Explanation:
Fill in the table by placing an “X” to indicate the function(s) of each organ. The first row has been done as an example.
Functions of Digestive Organs
Organ (or structure)
Mechanical breakdown
Chemical breakdown
Nutrient absorption
Water absorption & solid production
Mouth
X
X
Stomach
Small intestine
Pancreas
Liver
Large intestine
Answer:
stomach
small intestine
Produces 4 haploid cells that each have 23 chromosomes. Does this happen for mitosis, meiosis, or both?
Answer:
Meiosis
Explanation:
Because it forms 4 daughter cells which are haploid (half the amount of chromosomes as parent cell )
In whose body is Cowper's gland found? 1
Answer:
they are found in many male mammals like humans
Explanation:
How would the environment impact a multifactorial trait like height in someone with normal genetic variation? How would environment impact someone with a mutation that results in dwarfism?
Answer:
Explanation:
On someone with a normal genetic variation, the environment helps them adapt and pushes for the evolution of the traits that will help that species increase their chances of survival in future generations. This includes traits such as height, thus increasing this trait so that the species is able to reach food in higher places or reach higher places in order to find shelter. This does not have the same effect when dealing with a certain genetic mutation such as dwarfism since the mutation targets a specific value for these traits and is not affected by its environment.
Which tissues, organs, and biological systems are involved in the process, and how the systems interact during the process? Explain the interaction of the different systems and why they have to work together.
The process of digestion involves several tissues, organs, and biological systems, which work together to break down food and absorb nutrients. These systems include the digestive system, the circulatory system, the nervous system, and the endocrine system.
The mouth, oesophagus, stomach, small intestine, large intestine, pancreas, liver, and gallbladder are among the organs that make up the digestive system. These organs work together to digest food, break it down into its component parts, and absorb nutrients.
The mouth and stomach break down food mechanically, while the small intestine and pancreas break it down chemically. The liver produces bile, which helps to break down fats, and the gallbladder stores and releases bile as needed.
The circulatory system is also involved in digestion, as it transports nutrients from the small intestine to the rest of the body. The nutrients are absorbed into the bloodstream and transported to the liver for processing.
The digestive, circulatory, nervous, and endocrine systems work together to break down food, absorb nutrients, and regulate digestion.
The nervous system helps to regulate digestion by sending signals to the digestive system to stimulate or inhibit the release of digestive enzymes and hormones. The vagus nerve, which connects the brain to the digestive system, plays an important role in this process.
The endocrine system produces hormones that regulate digestion, such as insulin and glucagon, which help to control blood sugar levels. These hormones are produced by the pancreas and released into the bloodstream.
All of these systems work together to ensure that food is broken down and nutrients are absorbed efficiently. For example, the digestive system breaks down food into small enough particles for absorption, while the circulatory system transports the nutrients to the rest of the body.
The nervous system and endocrine system regulate the digestive process to ensure that it occurs at the right pace and that nutrient absorption is optimized.
These systems must work together to ensure that the body can extract the nutrients it needs from food and maintain overall health.
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1.What happens during cytokinesis?
-the cytoplasm divides***
-the cytoplasm falls apart
-the cytoplasm changes color
-the cytoplasm becomes solid
2.The process of differentiation is:
-a process by which cells divide
-a process by which cells become specialized***
-a process by which cells die
-a process by which cell repair themselves
3.What is unique about stem cells?
-they are differentiated
-they are only found in embryos
-they are unspecialized***
-they are only found in plants
4.What is one property of a senescent cell?
-it can no longer divide***
-it can live for a very long time
-it can grow and divide rapidly
-it can no longer be replaced
5.How do cells respond if a complex organism is injured?
-cells rush to the damaged area, proliferate through mitosis, and work to repair the injury ***
-cells work to repair the injured area through meiosis
-nearby cells change the stem cells in order to repair the injury
-cells form a blastocyst that contributes to the healing of the injury
(I took the connexus quick check and these were right)
Answer:
1. the cytoplasm divides
2. a process by which cells become specialised
3. they are unspecialized
you literally have astericks (***) by each correct answer
Why do most materials expand when heated? A. The warmer molecules are packed together, which causes the matter to increase in size. B. Heat takes up more space than cold. C. The molecules spread out, so volume increases.D. When heated, molecules grow in size, so they take up more space.
Answer: The kinetic energy of that material increases and its atoms and molecules move around more. That means that each atom will take up more space due to its movement so the material will expand.
Explanation:
D Is what I think it is.
in blood red blood cells are suspended in plasma.the main components of the blood plasma in water.suggest one other component of blood plasma that could enter red blood cells and describe how it would cross the cell surface membrane
The circulating blood is the combination of plasma(55%) and blood cells(45%).
Are red blood cells suspended in blood plasma?Cells and cell fragments suspended in plasma make up the produced elements. Erythrocytes (red blood cells), leukocytes (white blood cells), and thrombocytes are the three types of produced elements (platelets).Red, white, and platelet-containing blood cells are suspended in plasma, an aqueous component of blood that contains proteins and salt. It makes up about 55% of the entire volume of blood. Albumin, coagulation factors, fibrinolytic proteins, immunoglobulin, and other proteins are significant components of plasma.Red blood cells (erythrocytes), white blood cells (leukocytes), and platelets (thrombocytes) are all isolated from whole blood to create plasma. The remaining straw-colored fluid is mostly water (90–92%) but also contains essential solutes for maintaining life and health.In blood red blood cells are suspended in plasma:
Plasma makes up 55% of the blood in circulation, whereas blood cells make up 45%. The body's numerous organs receive nutrients from the plasma, which also carries waste products from metabolism to the kidneys, lungs, liver, and other organs.
92% of the plasma is made up of water, while the other components include electrolytes, antibodies of immunological and natural origin, proteins such as albumin and globulin, mineral salts, lipids, carbohydrates, hormones, vitamins, waste products, etc.
The extracellular fluid's intravascular fluid component is called plasma. The thin walls of the capillaries allow plasma to enter the tissues when the blood circulates throughout the body. This interstitial extracellular fluid, a portion of the escaping plasma, includes oxygen, glucose, and other essential elements.
The circulating blood is the combination of plasma(55%) and blood cells(45%).
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How does diffusion help cells maintain homeostasis? Please submit your conclusion paragraph.
Homeostasis can also occur at pH and nutrition levels, for instance. Particles travel through a process called diffusion from a region where they are more concentrated to one where they are less concentrated. Diffusion is employed to maintain a cell's equilibrium concentration when homeostasis is under danger.
What is diffusion ?Diffusion is the overall net movement of anything from a higher concentration to a lower concentration. A gradient in the Gibbs free energy or chemical potential drives diffusion.
Molecules go through the cell membrane due to diffusion. In order to balance the internal conditions of the cell with the external environment, molecules of a substance migrate over a gradient of concentration.
Thus, Diffusion is employed to maintain a cell's equilibrium concentration when homeostasis is under danger.
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A general descriptive statement about how the universe works that scientists have a high confidence in is called
A. Law
B. Hypothesis
C. Empirical
D. Science
How does the carbon stored in the bodies of living organisms move into rocks?(1 point)
Carbon dioxide released through respiration dissolves in certain rocks, like limestone.
Living organisms decay, releasing carbon into the soil, and soil is compacted into rocks.
Living organisms decay and become fossils fuels, which eventually become rocks.
Carbon dioxide dissolves in ocean water and is slowly absorbed by rocks in the ocean.
In the atmosphere, carbon is stored in the form of gases, such as carbon dioxide. ... This carbon can then be ingested and stored in animals that eat the plants. When the animals die, they decompose, and their remains become sediment, trapping the stored carbon in layers that eventually turn into rock or minerals.
When animals die, their bodies degrade into the soil, encasing the carbon in layers that eventually transform into rock or minerals. hence option b is correct.
What is rock?Stone including limestone and its minerals is created when sediment and shell layers are bonded together over time.
Gases like carbon dioxide are among the forms of carbon that are stored in the atmosphere. Animals that consume the plants can then absorb and store this carbon.
When animals die, their bodies degrade into silt, encasing the carbon in layers that eventually transform into rock or minerals. Some of this silt may eventually turn into fossil fuels like coal, oil, or natural gas, which when burned, release carbon back into the atmosphere.
Therefore, when an animal dies to decompose into the soil which becomes rocks through carbon from living organisms moves into rocks, hence option b is correct.
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if light shines through a medium with a higher index of refraction than air why do the different wavelengths of light separate?
Answer:
Explanation:
f light enters any substance with a higher refractive index (such as from air into glass) it slows down. The light bends towards the normal line. If light travels enters into a substance with a lower refractive index (such as from water into air) it speeds up. The light bends away from the normal line.
In a diploid species of plant, the genes for plant height and fruit shape are syntenic and separated by 18 m.u. Allele D produces tall plants and is dominant to d for short plants, and allele R produces round fruit and is dominant to r for oval fruit. The expected percentages of progeny phenotypes are listed below:
tall oval = 41%
short round = 41%
tall round = 9%
short oval = 9%
(a) What proportion are expected to be tall and produce round fruit?
In a diploid plant species, the proportion of progeny expected to be tall and produce round fruit is 32%.
In a diploid species of plant, the genes for plant height and fruit shape are syntenic and separated by 18 m.u. The expected percentages of progeny phenotypes are tall oval = 41%, short round = 41%, tall round = 9%, and short oval = 9%.To determine the proportion of progeny expected to be tall and produce round fruit, we need to consider the alleles for each trait. Allele D produces tall plants (dominant) and allele d produces short plants (recessive). Allele R produces round fruit (dominant) and allele r produces oval fruit (recessive).From the given percentages, we can deduce that tall ovals and short ovals combined make up 9%. Since tall oval is 41% and short oval is 9%, the proportion of progeny expected to be tall and produce round fruit is 41% - 9% = 32%.Therefore, the proportion of progeny expected to be tall and produce round fruit is 32%.For more questions on diploid plant
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Y=2-x
Y=3x-1
Please help me with this qi
From the analysis of the 2 equations: X = 3/4 and Y = 5/4
Solving simultaneous equationsThe equations can be solved using subtracting one of the two equations from the other.
Let's label the two equations:
Y=3x-1 .................... equation 1
Y=2-X..................... equation 2
Equation 2 can be rearranged such that:
Y = -X+2
Subtracting equation 2 from 1:
Y=3x-1
Y = -X+2
0 = 4X -3
4X = 3
X = 3/4
Substitute X = 3/4 into any of equations 1 or 2 to determine Y.
Y = 3(3/4) - 1
= 9/4 - 1
= 5/4
Hence X = 3/4 and Y = 5/4
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Is catalase an anabolic enzyme or a catabolic enzyme? How do you know?
Catalase is a catabolic enzyme. It is responsible for breaking down hydrogen peroxide into water and oxygen, which is a process that releases energy. Catabolic reactions break down complex molecules into simpler ones and release energy, whereas anabolic reactions build complex molecules from simpler ones and require energy input. Since catalase is breaking down a molecule, it is considered a catabolic enzyme.
Matching a person's appearance to a DNA sample involves what technique?
Answer:
DNA Phenotyping
Explanation:
This is kind of similar to DNA Profiling only DNA Phenotyping deals with Forensics this helps track down any suspects and identifying a victim this can also help people look at a person's ancestry history.
Hope this helped :)
DNA phenotyping is used to match the appearance of a person with the sample of DNA.
What is DNA phenotyping?The phenotype of an organism is find with the help of genetic information collected from the sequences of DNA by DNA phenotyping. It is mainly used to determine the physical appearance of the person that comes out to be a great help in forensics.
Thus, the DNA phenotyping is used to match the appearance of the person with the sample of DNA.
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