Answer:
Endocrine, or ductless glands, while Exocrine glands are all ducted glands.
Explanation:
Endocrine glands secrete substances (like hormones) into blood without the use of ducts, whereas exocrine glands use ducts to secrete substances into the external environment.
Endocrine and exocrine glands are differentiated by how they release their secretions. Endocrine glands release hormones directly into the bloodstream, whereas exocrine glands release their secretions through ducts onto epithelial surfaces.
Explanation:The endocrine and exocrine glands are types of glands in the body's system that classified based on how they release their secretions in the body. Endocrine glands are referred to as 'ductless glands' because they release hormones directly into the bloodstream where they travel to target tissues. Examples of endocrine glands include, the pituitary, thyroid, and adrenal glands.
On other hand, Exocrine glands release their secretions through ducts onto epithelial surfaces, such as the skin or the lining of the stomach or intestines. Examples of exocrine glands include sweat, salivary, mammary glands and liver that releases bile.
In summary, the main difference between endocrine and exocrine glands is/how/ they release their secretions in the body.
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: Imagine you have a butterfly population that consists of red- and bluewinged butterflies. The butterfly population you produce will live in a heavily vegetated area with light green leaves and white flowers. Suppose you are able to mate the individuals in your imaginary butterfly population. Your goal is to create a population of butterflies with high fitness.
When a scientist is conducting research about all the plants and wildlife in the Mojave Desert as well as the desert's resources, such as water and soil, the scientist is studying ____________________.A.) A community.B.) A population.C.) A species.D.) An ecosystem.
Answer:
D) An ecosystem
Explanation:
An ecosystem is a community of living organisms in conjunction with the nonliving components of their environment, interacting as a system. These biotic and abiotic components are linked together through nutrient cycles and energy flows.
Which events are most likely if an index fossil is found in a layer at location 1, but the layer and index fossil are not found at location 2 nearby, which is known to be the same relative age? check all that apply?
Answer:
The layer never formed at location 2.
The organism did not exist at location 2.
The missing layer at location 2 may have eroded.
A scientist is studying muscle twitches in chicken quadriceps. to activate the muscle, he needs to provide stimulus to the _________.
Answer:
The answer to this question is "Motor Unit"
The term life cycle includes the entire process of:
adults defending their young
providing a conducive environment
adults producing gametes
fertilization
the growth of the offspring to adulthood
Answer:
The term life cycle includes the entire process of: the growth of the offspring to adulthood
Do cells become specialized through 1. Cell reproduction 2. Cell differentiation 3. Morphogenesis 4. Apoptosis
Answer:
Cell Differentiation is the process through which cells become specialized.
Think about the name, cells become different from one another, becoming specialized into different types.
The most abundant compound in most living things is
Answer:
The most abundant compound in most living things is water.
Explanation:
Water is the most abundant compound in most living things, contributing to various functions like transporting nutrients and regulating body temperature.
Explanation:The most abundant compound in most living things is water. Water makes up about 60-70% of the weight of a typical living organism. For example, in humans, the brain and heart are composed of 73% water, and the lungs are about 83% water. The large amount of water in living organisms contributes to various functions, such as transporting nutrients and oxygen to cells, regulating body temperature, and serving as a solvent in which biological reactions occur.
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Which of the following statements about amino acids is INCORRECT?
A turn or kink in a protein is more likely to be induced by a proline than by a glycine.
The more glycines that are found in a polypeptide's primary sequence, the more flexible the backbone of that polypeptide.
The bridge between cysteines, which connects parts of a protein, is a stable but noncovalent interaction.
Not every amino acid is asymmetric.
At typical cellular pH, the R groups of basic amino acids are positively charged.
Answer:
The answer is: The bridge between cysteines, which connects parts of a protein, is a stable but noncovalent interaction.
Explanation:
Hope my answer has helped you!
Final answer:
The incorrect statement is that the bridge between cysteines in proteins is a noncovalent interaction; it is actually a covalent bond known as a disulfide linkage, crucial for protein tertiary structure stabilization.
Explanation:
The incorrect statement among the choices provided for amino acids is that the bridge between cysteines, which connects parts of a protein, is a stable but noncovalent interaction. In truth, the bridge between cysteine residues is formed by a covalent bond known as a disulfide linkage. This link is a result of the oxidation of two cysteine molecules, which combine to form cystine, and it is significant in stabilizing a protein's tertiary structure.
A turn or kink in a protein is indeed more likely to be induced by a proline than by a glycine, due to proline's ring structure. Glycine, having a single hydrogen atom as its side chain, is small and allows flexibility in the protein structure, making the backbone of the polypeptide where glycines are present more flexible. Not every amino acid is asymmetric; for instance, glycine is not chiral. At typical cellular pH, the R groups of basic amino acids such as lysine and arginine are indeed positively charged.
Which example describes a mutualistic relationship between organisms?
Young wasps prey on caterpillars.
Crabs eat the remains of dead fish.
Tapeworms feed on food in the intestines of cats
Ants protect a tree on which they feed.
Answer:
Ants protect a tree on which they feed (Option D)
Explanation:
Mutualistic relationship - relationship between two individuals / species where both involved benefit
A. Predation
B. Predation
C. Parasitism
D. Mutualism
What does a biological community consist of? A. All of the different population of species in one geographic area
B. The biotic and abiotic items in the ecosystem
C. The water and carbon cycle
D. Phototrophs and autotrophs
Answer:
I believe the answer is
B. The biotic and abotic items in the ecosystem.
OR
A. All of the different population of species in one geographic area.
Explanation:
Biological community consisting of living organisms in different locations. For example, a forest trees and undergrowth plants, inhabited by animals and rooted in soil containing bacteria and fungi, constitutes a biological community.
A biological community consists of the biotic and abiotic items in the ecosystem.
What is biological community?The term "biological community" refers to a group of variables that includes both biotic and abiotic variables. The biological community is defined by the way the two components interact.
Trees, rocks, and soil are examples of abiotic factors that interact with biotic factors like plants and animals. The biological community functions in this manner.
Ecological succession is the process by which a population gradually alters its genetic composition. The community is therefore dynamic since it evolves over time. Communities can be huge with many species populations or tiny with few species.
Their interactions, known as interspecific interactions, have an impact on a community's composition, distribution, and abundance, or the quantity of each species present.
Thus, we can conclude that option B is correct.
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Why do people have swollen lymph nodes when they are sick?
Answer:
More white blood cells are produced.
Explanation:
Select the correct answer. A chestnut-colored horse mates with a white-colored horse to produce a brown and white spotted offspring. What is the type of inheritance pattern?
Answer:
codominance
Explanation:
there is no blending of the two colours, both are shown equally and expressed in the proper colours not blended therefore they are both dominant and it is codominance
Answer:
codominance
Explanation:
Codominance is a situation where the alleles of a gene are active, that is, there is no dominance relationship between them, so the two alleles are expressed, as is the case with the horse shown in the question above.
Generally, in the formation of a phenotype, one allele stands out against the other (remember that every gene is formed by a pair of AA, Aa or aa alleles). For the father's eye color to be repeated in his son, for example, it is necessary that the gene that determines this characteristic has a dominant allele. The other allele of this gene in the child will be the recessive allele. It happens, in some cases, that the two alleles (recessive or dominant) have the same dominance relation over each other and there is a mixture of phenotypes of both. A beautiful example of this mixture is the birth of horse species with a spotted coat.
What is the name of the protein found in erythrocytes that transports respiratory gases and provides the red color?
Answer:
hemoglobin
Explanation:
what do we call the process when two dominant alleles are expressed and do not blend?
A.incomplete dominance
B.codominance
C.multiple alleles
Answer:
Co-dominance
Explanation:
Co-dominance is when two alleles are expressed and do not blend. Such as a Roan cow. When a red cow and white cow try to populate it can develop a cow with red and white spots also known as Roan
HURRY!!!!!
Benito is doing research on the effects of Florida's elevation on its climate. His notes include the following:
1. The average elevation of Florida is 30 m above sea level.
2. The highest point in Florida is Britton Hill, which is 105 m above sea level.
3. The change in temperature from 0 m to 1,000 m is 7 °C.
What can Benito conclude about the effects of Florida's elevation on its climate?
A.) Florida typically experiences cold temperatures and temperature changes within a narrow range.
B.) Florida typically experiences cold temperatures and temperature changes within a broad range.
C.) Florida typically experiences warm temperatures and temperature changes within a narrow range.
D.) Florida typically experiences warm temperatures and temperature changes within a broad range.
OPTION C.
Florida generally experiences warm temperatures due to its low average and highest elevations. The change in temperatures is also low, which means a narrow range of temperature variance.
Explanation:Based on the information provided, Benito can conclude that Florida typically experiences warm temperatures and the temperature changes within a relatively narrow range. This can be inferred from the fact that Florida's average and highest elevations are relatively close to sea level, and therefore, the effect of elevation on temperature would be minimal. As the temperature drop rate is 7°C per 1000 meters, the temperature difference within Florida's elevation range (from 0m to 105m) would be slight.
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Benito can conclude that Florida typically experiences warm temperatures and temperature changes within a broad range due to its low elevations.
Explanation:Benito can conclude that the effects of Florida's elevation on its climate include warm temperatures and temperature changes within a broad range.
Florida's average elevation of 30 m above sea level and the highest point at 105 m above sea level indicate that the state generally has low elevations. The change in temperature of 7 °C from 0 m to 1,000 m suggests that the temperature changes with increasing elevation. Therefore, Florida typically experiences warm temperatures and temperature changes within a broad range.
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Which activity occurs when a flowering plant reproduces?
Hello There!
Flowering plants reproduce through the process called pollination. There are many different types of pollination
Answer:
Flowering plants require the formation of reproductive structures and pollination.
Explanation:
For flowering plants to reproduce, first the reproductive structures have to form (pistils and stamens) and then the pollen has to be taken from the first flower to the second or where the fertilization will happen. There are several ways to pollinate, including insects, or bigger animals like bats. After the animal is taking the pollen to another flower, it is fertilized and starts to transform into a fruit, where, later the seeds will also be carried by animals.
WILL GIVE BRAINLIEST!! Describe the life cycle of a fern. please do not give me an answer copied and pasted from google or something. i want an answer that makes sense , an answer that is understandable. I WILL REPORT AND HAVE YOUR ANSWER DELETED! sorry if im being harsh im just a little stressed
Answer:
ok
Explanation:
there is two stages of a fern first i belive is called gametphite
"i probley spelt that soooo wrong FYI" well the spores are produced on theunderside of grown plants these will germinate and began to age into omost the shape of a heart or triangle "sorry i dont rightly remmber XD" and thoses would be called gametphites sorry if this is still stress full but heres the second stage well its the adult stage i belive well the fertile gametophite begans to look like almost a mossy substince after days-weeks pass the moss type stuff will turn well look like some young fronds as i can only exspain well it starts to come out of the moss and it will be very sunlight sensitive it will die quikly from over sunlight because the stems are so small it can dry out in a hour or 2
i hope this helped a little at least have a good day
A short-lived structure formed during a collision is a[n] select one:
a. reagent.
b. catalyst.
c. inhibitor.
d. activated complex.
Answer:
d. Activated complexExplanation:
❣️个 jess bragoli 个❣️#keep learning!!The short-lived structure formed during a collision in a chemical reaction is known as the activated complex or transition state, which is a highly unstable arrangement of atoms with a brief lifespan.
Explanation:A short-lived structure formed during a collision in a chemical reaction is known as the activated complex or the transition state. This occurs when reactant particles collide with both proper orientation and sufficient energy. The activated complex is an unstable arrangement of atoms that exists at the peak of the activation energy barrier and has a very brief existence, around 10-13 seconds.
It can either revert to the original reactants or continue on to form products. This state is typically undetectable by standard analytical instruments, although sophisticated spectral measurements can sometimes observe these transition states.
when is the diploid number restored to the zygote?
A.when the male and female haploid cells combine
B.when the male and female diploid cells combine
C.after the zygote is replicated
D.when the two zygotes develop into a haploid cell
Answer:
During sexual reproduction, fertilization of the ovum (n, 23 chromosomes) by the sperm (n, 23 chromosomes) restores the diploid number and creates a zygote (2n, 46)
when the male and female haploid cell combine
What is the main sugar used by cells for energy?
Answer:
The answer is GLUCOSE.
Explanation:
Glucose is the main sugar used by cells for energy. Glucose is derived from the digestion of carbohydrates. In humans, glucose is usually absorbed into the blood from the small intestine, the blood then carry the blood around the body, allowing each cell to have access to the glucose it needs.
If the quantity of glucose in the blood is more than needed per time, the body usually store the excess glucose as glycogen, the glycogen will be turned to glucose and release for cell use when the quantity of sugar in the blood is low. In the absence of glycogen, other macro nutrients such as lipids and proteins can also be converted to glucose via gluconeogenesis when the concentration of glucose in the blood is low.
The cells oxidize the glucose and convert it to energy in form of ATP, which they use to carry out their life activities.
The main sugar used by cells for energy is glucose. It can be stored as glycogen in the body or it is converted into fat if in excess. During cellular respiration, it helps to form ATP, the cells' energy currency.
Explanation:The main sugar used by cells for energy is glucose. This simple sugar, a monosaccharide, is an important energy source for many organisms. Carbohydrates, such as sugars, are the most common source of energy for the body, broken down during digestion into simpler monosaccharides like glucose and fructose.
Once glucose is in the body, there are a series of endocrine control mechanisms that regulate its concentration in the bloodstream. Excess glucose can either be stored in the liver and skeletal muscles as a complex polymer called glycogen, or it can be converted into fat in adipose cells or adipocytes.
During cellular respiration, energy is released from glucose. This energy helps to form adenosine triphosphate (ATP), which is like the currency that cells use for energy. Photosynthetic plants synthesize glucose using carbon dioxide and water, and the glucose is then used for their energy requirements. Any excess synthesized glucose is often stored as starch, which can be broken down by other organisms that feed on plants.
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6. Which term means "rainy cloud"?
A stratus
B cirrus
c nimbus
Dcumulus
Answer: Clouds that produce rain and snow are called "Nimbus" clouds.
Example: Two examples are the nimbostratus or the cumulonimbus clouds.
Answer:
c) Nimbus
Explanation:
Stated on the Essay of Modifications of Clouds in 1803 by Luke Howard, there is a special rainy cloud category that combines the three forms of clouds Cumulo+Cirro+Stratus, called 'Nimbus', an ancient Latin word that means Rain or Rain Storm.
The majority of precipitation comes from nimbus clouds, this clouds have the greatest vertical height and tend to appear dark gray because their depth and density of water droplets.
why did the finches found on the galapagos islands have different shaped beaks?
A.the birds were not all finches
B.the birds evolved at different times
C.the birds had different diets
C. The birds had different diets. The bird's beaks evolve depending on their diet!
Sunny~ ☺
Answer:
c. the birds have different diets
Explanation:
The research that Darwin had at Galapago´s Islands, brought up several questions about why are living species the way they are. As part of the theory of Natural Selection, Darwin supported that the physical characteristics of the individuals are strictly related with their function. For example, the shape of the beak of the finches, which is a consequence of evolution, has a strict relation with the type of diet they have and as a consequence, the adaptation they will have in their environment.
Which of the following is NOT a true statement about the papillary layer of the dermis: a. it is highly vascular b. it is the deepest layer of the skin c. it is located immediately beneath the epidermis d. it produces the pattern for fingerprints it contains nerve endings that respond to touch and temperature stimuli
Answer:
b.it is the deepest layer of the skin
Explanation:
The skin is a protective layer that covers all the body. It consists of three layers: epidermis, dermis and hypodermis.
The statement indicating that "the papillary layer of the dermis is the deepest layer of the skin" is not TRUE (Option C).The epidermis is the outermost layer of skin, which consists of keratinized epithelial cells.The dermis is the middle layer of the skin.The hypodermis is the subcutaneous fat layer beneath the dermis.In conclusion, the statement indicating that "the papillary layer of the dermis is the deepest layer of the skin" is not TRUE.
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Specific heat is the amount of heat required to raise the temperature of a material by 1°C per what unit?
A. volume
B. joule
C. mass
D. pressure
E. density
Answer:
The answer would be C: Unit of Mass
Answer:
C. mass
Explanation:
Specific heat is defined as the amount of heat energy required to elevate the temperature of a material by 1°C per unit mass.
It is a physical property of a material. The standard international unit of heat capacity is joule per kelvin per kilogram (J/K/Kg).
If a substance has a high specific heat then it simply means that it will take very long to get heated but once heated it will take very long time to cool down either.
Water has highest specific heat.
Residential construction is expanding in Florida, the expansion has caused fragmentation of habitats, one of the results of the increased construction is a decrease in the number of large predators such as the coyote, black bear and pool panther, which will be the most immediate local result of this fragmentation? 1)large predators will become extinct 2)decrease in middle sized predators 3)increase in population of top carnivores 4)increase in population of prey species
Answer: 1 ) large predators will become extinct
Explanation: Due to the expansion of residential construction in Florida these large predators will have no place to live and eventually die, leading to an extinction.
Answer: 1) Large predators will become extinct.
Explanation:
A predator is a organism which kill other organism to obtain it as food. The organism which is killed is prey. The predators are carnivores organisms, which means they are flesh eating organisms.
According to the given situation, the residential construction in Florida is the limiting factor for the growth and abundance of predator population. This has resulted in the decrease in the population of predator species. Hence, many predator species will extinct immediately due to habitat fragmentation.
In which area of the neuron is an action potential initially generated?
Answer:
(C). Membrane potentials above threshold at the hillock will open voltage-gated Na+
Explanation:
The action potential in a neuron is initially generated in an area called the axon hillock, which integrates incoming signals and decides whether or not to fire an action potential.
Explanation:The action potential in a neuron is initially generated in an area called the axon hillock. This part of the neuron is responsible for integrating incoming signals from synapses and deciding whether or not to fire an action potential. As the action potential travels down the neuron's axon, it stimulates other neurons and continues the cycle of information transmission. For instance, when you touch a hot surface, the sensation is relayed as action potentials from the sensory neurons in your finger all the way to your brain.
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Two pea plants with yellow peas are crossed. Most of their offspring have yellow peas, but about 25 percent of the offspring have green peas. For pea color, yellow is the dominant trait and green is the recessive trait. What does this tell you about the two parent plants?
A. The parent plants have only dominant alleles for pea color.
B. The parent plants are heterozygous for pea color.
C. Pea color follows an incomplete dominance pattern of inheritance.
D. The parent plants are homozygous for pea color.
Answer:
B. The parent plants are heterozygous for pea color.
Explanation:
If both the parent plants had only dominant alleles for pea color as described in A, all of their offspring would be yellow (dominant). We know that pea color does not follow an incomplete dominance pattern because the question states that yellow is dominant and green is recessive; there is no intermediate mixture of these colors as a trait. If the parents were both homozygous, then their offspring would either be all yellow or all green. If we do a punnett square with 2 heterozygous parents, we will see that one out of 4 (25%) offspring will indeed be green.
Answer:
B. The parent plants are heterozygous for pea color.
Explanation:
Casts and mold are a type of preservation where the original material decays, leaving a mold in surrounding rock that can be filled with another sediment
A. True
B. False
Answer:
A. True
Explanation:
Casts and molds are a type of preservation where the original material decays.
Select the correct statement about chemical energy, a term used by biologists to refer to potential energy available for release in a chemical reaction. Light energy is converted to chemical energy during photosynthesis. When a glucose molecule is catabolized to CO2 and H2O, chemical energy is lost. A photosynthetic cell within a plant leaf produces chemical energy, stored within glucose molecules.
Answer:
A photosynthetic cell within a plant leaf produces chemical energy, stored within glucose molecules.
Explanation:
The energy captured from sunlight by Photosystems in chlorophyll is used to split a water molecule and reduce carbon dioxide to carbohydrates. This energy from sunlight is therefore stored in the chemical bonds of the glucose molecules. It is thereafter harnessed during cellular respiration when the chemical bonds of glucose are broken and the energy transferred to make ATP molecules.
Answer:
Option A , Light energy is converted to chemical energy during photosynthesis.
Explanation:
In the process of photosynthesis, a plant containing chlorophyll converts solar light energy into chemical energy.
The common reaction of photosynthesis is
Carbon dioxide + Water + energy from sun ------> Glucose + carbon dioxide
Thus, energy from sun is used to excite photon with in the thalokoid of plant cell to initiate photosynthesis and then as a result of this process food (glucose containing chemical energy ) and carbon dioxide is formed.
Hence, option A is correct
When an individual stops breathing, brain cells die very quickly, but the cells in the heart are able to survive for longer. Which conclusion is best supported by these facts?
Answer:
because the blood in the heart gets what's left of oxygenated blood first. first come first serve concept. the heart cells survive longer because they have oxygenated blood longer and more frequently. if the person is not breathing the oxygen in the blood might run out by transferring to cardiovascular cells before it gets to the brain.
Explanation: