Natural selection describes how individuals within a community acquire characteristics that help them survive and procreate. Due to natural selection, advantageous features are likely to be passed on to children;
Quick definition of adaptation:An organism or one of its parts that has been modified to make it more suitable for survival is said to have undergone adaptation. The transmission of an adaptation occurs from to generation to generation
How does science define adaptation?"Adaptation is a property of an organism, either in its physical makeup or its behavior, that enhances its capacity for survival in its environment." To their environment, living organisms have made adaptations. They have unique qualities that enable them to survive, which explains this.
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Why do people stalk other people?
Answer: There are many reasons why people might stalk other people. In some cases, a stalker may be motivated by a desire to control or dominate the person they are stalking. In other cases, a stalker may be motivated by a fixation on the person they are stalking, or by a belief that the person is somehow responsible for their problems. Additionally, some stalkers may have underlying mental health issues that contribute to their behavior. In general, however, stalking is a way for the stalker to exert power and control over their victim.
Answer: Because they are creepy, trying to murder (sed person) a fanboy of the person they're stalking, or they have some sort of mental problem that makes them want to start stalking someone they know such as a family member, friend, past enemy, current enemy, or crush.
Explanation: This can be caused by all sorts of trauma, past experiences that greatly enhanced their lust for that person, and so on. They could just be a psychopath which ties into the point of my mental issue about the person stalking the victim and they are most likely trying to kill them.
which autonomic ganglion, located anterior to the ear, receives parasympathetic axons from the glossopharyngeal nerve (cn ix)?
Parasympathetic, sympathetic, sensory, and motor roots can all be found in the otic ganglion.
All branches of the mandibular division of the trigeminal nerve receive postganglionic parasympathetic secretomotor fibres from the otic ganglion. Additionally, the parotid gland receives sympathetic vasomotor fibres from it. The infratemporal fossa's medial side and the tiny parasympathetic ganglion known as the otic ganglion are both situated just below the foramen ovale. It functions as the glossopharyngeal nerve's functional partner and innervates the parotid gland to stimulate salivation. The auriculotemporal nerve most likely sends signals to the superficial temporal artery from the otic ganglia. Because migraine attacks involve the superficial temporal artery, this is clinically intriguing.
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which of the following will occur after ovulation? group of answer choices the corpus luteum prepares to become a corpus albicans. the corpus luteum secretes estrogen only. the endometrium enters its secretory phase. the secretion of anterior pituitary gonadotropins is enhanced.
The interaction of hypothalamic and anterior pituitary hormones with reproductive tissues and organ hormones regulates the human male and female reproductive cycles. In both sexes, the hypothalamus regulates and causes pituitary hormone release.
The normal menstrual cycle is a sequential event in which the hypothalamus secretes GnRH, the pituitary gland secretes follicle stimulating hormone and luteinizing hormone (LH), and the ovary responds to those hormones by recruiting a dominant follicle and secreting estradiol and inhibin A. Estradiol stimulates cervix endometrial proliferation and mucus production. A peak in estradiol causes the release of LH, which is responsible for ovulation and the subsequent secretion of progesterone by the corpus luteum, which involutionates 14 days later if not stimulated by hCG (pregnancy). Normal menstrual cycles last 28 days, with a two-day fluctuation in the same woman considered a normal pattern or a regular cycle. The normalcy of these events would allow for successful embryo implantation in the case of trying to conceive. To be fertilized, a capable spermatozoon must reach an adequate ovule during the ovulatory stage. The spermatozoon can survive for up to 5 days in the feminine genital ractum , but the ovum can only be fertilized for 12-24 hours. Fecundation takes place in the distal third of the fallopian tube, and the fecundated zygote develops into a morula before being implanted at the endometrium four days later.
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Which organelle is responsible for transporting lipids in the cell?
Different processes can be used by cells to transport lipids, a type of biomolecule. Lipid droplets are specialized organelles that are one method of transporting lipids.
Triacylglycerols, a class of lipids also known as neutral fats, make up the majority of lipid droplets, which are tiny, spherical structures that are found in the cytoplasm of cells. Neutral fats can be stored and transported inside of cells via lipid droplets, which are also involved in their formation and decomposition.
Vesicles having a membrane around them can also be used to transport lipids inside cells. These vesicles, which are tiny, closed containers made of the plasma membrane, are employed by cells to transport a variety of biomolecules, including lipids. Vesicles can be created by the Golgi apparatus, an organelle that is involved in the synthesis and modification of biomolecules, or they can be created by the endocytosis process, in which the plasma membrane invaginates to form a vesicle.
Through a process known as exocytosis, in which the vesicle fuses with the plasma membrane and transfers its contents to the outside of the cell, vesicles can transport lipids and other biomolecules to other sections of the cell or to other cells.
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Answer:The Golgi apparatus
Explanation:
7. suppose a scientist discovers a gene that he believes promotes pluripotency. how could he test this possibility?
suppose a scientist discovers a gene that he believes promotes pluripotency. he could test this possibility by depleting it from the somatic nucleus to see if nuclear reprogramming becomes less efficient
What is Pluripotency?The capacity of some substances to elicit a variety of unique biological reactions is referred to as the pluripotency of biological molecules. As with pluripotent stem cells' ability to differentiate into several cell types, pluripotent is also used to denote something that has no predetermined developmental potential.
What makes anything pluripotent?A term with several "potentials" is plural. In other words, these cells have the capacity to transform into all more than 200 different cell types in the body. Both induced pluripotent stem (iPS) cells, which are reprogrammed from adult tissues, and embryonic stem cells are pluripotent.
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Complete question:
Suppose a scientist discovers a gene that he believes promotes pluripotency. How could he test this possibility?
a. Transduce it into somatic cells with Oct4, Sox2, c-myc, and Klf4 to see if nuclear reprogramming becomes more efficient
b. In a somatic cell nuclear transfer experiment, deplete it from enucleated eggs to see if nuclear reprogramming becomes less efficient
c. In a somatic cell nuclear transfer experiment, deplete it from the somatic nucleus to see if nuclear reprogramming becomes less efficient
d. In a somatic cell nuclear transfer experiment, deplete it from enucleated eggs to see if nuclear reprogramming becomes more efficient
e. Two of the above answers are correct
What is translation
Answer: Translation is the process in which ribosomes in the cytoplasm or endoplasmic reticulum synthesize proteins after the process of transcription of DNA to RNA in the cell's nucleus.
Explanation: Hope this was helpful
which part of the mitochondrial atp synthase binds h and transports it down its concentration gradient in order to drive atp synthesis?
By changing their conformation at the catalytic sites, the beta subunits can bind to ADP and a phosphate group and produce ATP.
ADP and inorganic phosphate are brought together to form a bond and produce the ATP molecule as the proton (H+ ion) passes down the concentration gradient, which spins the enzyme. In order to allow for another phosphorylation, the resulting ATP molecule is released. Hydrogen ions are pumped across the inner mitochondrial membrane of the cell, from the matrix into the intermembrane space, using energy during the electron transport process. By flowing back across the mitochondrial membrane and into the matrix via ATP synthase, hydrogen ions are propelled by a chemiosmotic gradient to do so, which results in the production of ATP.
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which list of three terms best describes innate immunity? group of answer choices quick, nonspecific, and unchanged from birth mucous membranes, t cells, and b cells slow, specific, and unchanged from birth specific, specialized, and antibodies antibodies, complement, and phagocytosis
Protect the body against foreign pathogens, remove dead or damaged tissues and cells, recognize and remove abnormal self cells.
A series of physical barriers, chemical barriers, antimicrobial agents, and cells that prevent infection no matter what pathogen is invading. Innate immune responses represent the first line of defense against invading pathogens because the innate immune response provides general protection against a wide variety of pathogens. Through antimicrobial peptides, mucosal and skin barriers, complement antibodies, etc. Innate immunity, also known as the non specific immune system, comprises the cells and mechanisms that defend the host against infection by other organisms in a non specific manner. The innate immune response is carried out by sentinel cells such as monocytes or macrophages and dendritic cells and by receptors known as pattern recognition receptors.
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HELPPPPPPPPPPPPP helpppppppppp
Answer:
"Plasma membrane monoamine transporter (PMAT) Four phases of mitosis: prophase, metaphase, anaphase, and telophase."
PMAT is the order of the phases of mitosis.
A certain species of grasshopper can have red stripes, yellow stripes, or red and yellow stripes. An RR grasshopper has red stripes, a YY grasshopper has yellow stripes, and an RY grasshopper has red and yellow stripes.
A grasshopper with red and yellow stripes mates with another grasshopper with red and yellow stripes.
What ratio would be expected in the phenotypes of their offspring?
1 with red stripes : 2 with red and yellow stripes : 1 with yellow stripes
2 with red and yellow stripes : 2 with yellow stripes
3 with red and yellow stripes : 1 with yellow stripes
3 with red stripes : 1 with yellow stripes
The expected phenotype ratio of the offspring from the cross would be 1 with red stripe, 2 with red and yellow stripes, and 1 with yellow stripe. Option 1.
Monohybrid crossingAccording to the illustration, the inheritance pattern of color in the grasshopper species is codominance.
Red striped grasshopper is RR, and the yellow stripe is YY, while RY grasshoppers have both red and yellow stripes.
Now, a grasshopper with red and yellow stripes (RY) mates with another grasshopper who also has red and yellow stripes (RY):
RY x RY
RR RY RY YY
Since RR is red stripe, RY is red/yellow stripes, and YY is yellow stripe; then, the phenotype ratio of the offspring from the cross would be:
1/4 or 25% red stripe1/2 or 50% red and yellow stripes1/4 or 25% yellow stripeIn other words, the phenotype ratio from the cross would be 1 with red stripe, 2 with red and yellow stripes, and 1 with yellow stripe.
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VERY IMPORTANT WILL MARK
2. Which extreme organism is the most extreme? Why?
Answer:
Extremophilic microbes
Explanation:
The Most Extreme Creatures Extremophilic microbes are a wild bunch. They can be found thriving in some of the most hostile environments imaginable - swimming in near-boiling water, eating rocks, lounging in sub-zero temperatures, and hanging out where radiation levels rival nuclear reactors.
When there is no pattern to a
population's growth, it is known as
A. cyclical
C. irruptive
B. declining
D. irregular
Answer: D. irregular
Explanation:
if a person is exposed to drugs or toxins within the past six months, it can be traced by the toxicologist through a series of test. true false.
It is False.
Toxins are substances created with the aid of flora and animals which can be poisonous (poisonous) to human beings. Pollutants may additionally encompass some drugs which can be useful in small doses, but toxic in large quantities. Maximum toxins that cause problems in human beings come from germs along with bacteria.
Anthrax deadly toxin is produced with the aid of Bacillus anthracis. The anthrax toxin proteins, which include anthrax lethal element, work together to disrupt a mobile's defense machine.
A few natural toxins may be fashioned in food as defense mechanisms of vegetation, through their infestation with toxin-generating mold, or thru ingestion by way of animals of toxin-generating microorganisms.
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what kind of entity is a lichen? an association between a fungus and a brown alga an association between a multicellular protist related to the brown algae and a bacterium an association between a fungus and cyanobacteria or green algae an association between a bryophyte and a fungus
A fungus and also an alga work together in symbiotic relationships to create lichens, a sophisticated form of life. The fungus, which is the lichen's main partner, is responsible for most of its features, including its thallus shape and fruiting bodies.
The link between fungi and algae in lichens is symbiotic. Fungi without chlorophyll pigments eat algae. On the contrary hand, fungi benefit algae by protecting them and facilitating water absorption. This kind of interaction has no negative effects, and both sides gain from it. Since both the fungus and their photosynthetic partners, known as photobionts, profit from the lichen symbiosis, it is believed to be a mutualistic relationship. A lichen is indeed a composite creature created by algae coexisting symbiotically with fungus filaments. The characteristics of the united living form are considerably dissimilar from those of the individual species. A. Lichens are symbiotic relationships.
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A primary difference between transcription and replication is that transcription
Answer: Replication is the duplication of two-strands of DNA.
Explanation:
Transcription is the formation of single, identical RNA from the two-stranded DNA.
Which factor do trees need when they compete for energy?
Answer:
Sunlight
Explanation:
Trees need sunlight as their source of energy to complete the process of photosynthesis. A tree needs energy from the sun to transform carbon dioxide and water into sugars (and other carbs). A tree catches sunlight in its crown.
How do scientists study the interactions and flow of matter and energy within and between earths
Select all true statements regarding gamma decay.
Gamma rays are the spectral particles with the highest energy and shortest wavelength. This form of decay does not result in the release of any particles from the nucleus.
What is a nucleus, and what does it do?The spindle holds the alleles, which are the structures that house the genetic traits, and governs and regulates the functions of the cell. The nucleoplasm is the gel-like membrane that contains the nuclear parts are suspended.
Why is the nucleus the most significant cell?Due to its role in the storage, retrieval, and copying of genetic material, the nucleus is regarded as among the most significant components of eukaryotic cells. The genetic material is housed in an organelle with two membranes.
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NEED HELP ASAP I WILL GIVE 50 POINTS!!!
Which organisms have cells that use mitochondria to release energy stored in food?
A: Self feeders
B: Neither self feeders nor other feeders'
C: Other feeders
D: Both
Answer:
D. Both self feeders(plants) and other feeders(animals and microorganism)
Explanation:
The membrane-enclosed organelles are mitochondria, which are present in the cells of virtually all eucaryotic organisms (including fungi, animals, and plants), and plastids—most notably chloroplasts—which occur only in plants.
I hope this helped
Answer: D. Both self feeders(plants) and other feeders(animals and microorganism)
Explanation:
.
Which technology below would probably be the most important to a person who had diabetes and had to take insulin every day?
an oversimplified or exaggerated generalization used to describe or distinguish a group is called
Answer: An oversimplified or exaggerated generalization used to describe or distinguish a group is called a stereotype.
An ecosystem is unlikely to be limited by the supply of _____ because it is obtained from the air.
Since carbon is supplied from the air, an ecosystem is unlikely to be constrained by its carbon supply.
A functional and structural unit used in ecology, an ecosystem is where living organisms interact with one another and their surroundings. Carbon is an essential part of the Earth system. It is an essential element of all organic matter on Earth and a key element in regulating the temperature of the planet.
Through biological, chemical, geological, and physical processes, carbon moves from the atmosphere to the land, ocean, and life in a cycle known as the carbon cycle. The carbon from plants is returned to the atmosphere when they rot, are eaten and digested by animals, or burn in fires.
Ecosystems and the carbon cycle are closely intertwined because plants and animals are essential components of the cycle. Ecosystems change as a result of a changing climate.
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Need answers pleaseeeeeeeee
DNA and RNA are required molecules .
Define nucleic acids.
The main molecules that convey information in cells are called nucleic acids, which are chemical substances that are found in nature. In controlling the synthesis of proteins, they are particularly significant. Ribonucleic acid and deoxyribonucleic acid (DNA) are the two primary types of nucleic acids (RNA).
When comparing DNA and RNA, there are two differences: In contrast to DNA, which includes thymine instead of the nucleobase uracil, RNA has the sugar ribose, whereas DNA has deoxyribose, a kind of ribose that lacks one oxygen atom.
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scientists understand that viruses have advanced greatly in the last 50 years. which statement gives evidence that a virus is non living.
Answer:
Reproduction.
Explanation:
One piece of evidence that a virus is non-living is that it cannot reproduce on its own.
Unlike living organisms, viruses require a host cell to replicate and produce more viruses.
This dependence on a host cell for reproduction suggests that viruses are not truly alive, as they lack one of the key characteristics of living things, which is the ability to independently sustain and replicate themselves.
The otter allele is found in Lane 2. To which population does it belong
DNA fingerprints are all the genetic markers used to differentiate individuals or populations. In the exposed example, the otter from lane two belong to population 2, Esther passage, because its band is 890 PB in length.
What is DNA fingerprint?
We can refer to DNA fingerprint as the group of genetic markers that differentiate an individual from another individual, or a population from another population.
Genetic markers are unique DNA fragments that are not identical in all individuals or populations. These fragments provide unique information about the individual or the population, so they are usually used to analyze differences, identify a progenitor, or solve a crime.
DNA prints are used to identify the population origin of an individual, or filial relationships, among others.
In the exposed example, we have DNA samples of 8 individuals belonging to three different populations.
Two alleles are used as markers to identify the individual belonging to each group.
Population 1 ⇒ Unakwik inlet ⇒ 610 and 890 bp band length ⇒ both allelesPopulation 2 ⇒ Esther passage ⇒ 890 bp band length ⇒ one allelePopulation 3 ⇒ Wells bay ⇒ 610 bp band length ⇒ the other alleleTo identify individuals belonging to each group, we just need to count the number of band they express.
In the case of individual number 2 (lane 2), there is only one band. So we can dismiss population 1 (because this population has the two alleles).
The expressed band is approximately 890 pb length. It means that it belongs to population 2, Esther passage.
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In chloroplasts, _____ is the source of the electrons needed for photosynthesis.
Answer: In chloroplasts, water is the source of the electrons needed for photosynthesis.
Explanation:
Hope that helps
The founder effect is an example of _______.
Answer:
The founder effect is an example of genetic drift
explanation:A population has members with the same appearance and features, such members encounter similar problems in the environment they live in. Some members of the population start living in a different place due to some reason. In that new area, they form a colony and start to adapt to different environments. This is called the founder effect. This brings change into sets of genes causing genetic drift.
what number and types of chromosomes are found in a human somatic cell? what number and types of chromosomes are found in a human somatic cell? 21 autosomes and 2 sex chromosomes 45 autosomes and 1 sex chromosome 22 autosomes and 1 sex chromosome n chromosomes 44 autosomes and 2 sex chromosomes
There are 44 autosomes and two sex chromosomes in each person. Human somatic cells have 22 pairs of autosomes and either two X chromosomes or an X and a Y chromosome.
A chromosome is a long molecule of DNA that contains the genetic material of various organisms. Most eukaryotic chromosomes exist in tandem with histone proteins, which aid in DNA stability.
Each chromosomal pair is made up of one chromosome from the mother and one chromosome inherited from the father. Human males produce gametes with two types of sex chromosomes, X and Y, whereas human females produce gametes with only one type of sex chromosome, X.
The male gamete is referred to as heterogametic or heteromorphic, while the female gamete is referred to as homogametic or homomorphic, depending on the gamete produced. The number of chromosomes varies from organism to organism, but they are an important part of the cell because they not only impart essential qualities to the organism and also aid in the synthesis of important proteins which play important metabolic roles, resulting in the organism's proper functioning.
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In a myofibril, a thick filament is composed of pairs of _____ molecules intertwined together
In a myofibril the thick filament is composed of pairs of myosin molecules that are intertwined together.
The protein myosin makes up thick filaments. Near the M line, a myosin molecule's tail joins with other myosin molecules to form the thick filament's core region, while the thick filament's heads align on either side where the thin filaments overlap. The thick and thin myofilaments that make up the myofibrils are what give the muscle its striped appearance. Along with two other muscle regulating proteins, tropomyosin and troponin, the thick filaments are made up of strands of the protein myosin, while the thin filaments are made up of strands of the protein actin.
In addition to myosin, which forms the thick filament's backbone, four additional proteins—titin, myomesin, obscurin, and myosin binding protein-C—that are tightly attached to the filament also perform crucial structural and regulatory functions.
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in a story of a small village, one of the characters is described as a round, bubbly woman who bakes treats for all the children. what somatotype would this character be?
In the story of a small village, the character who is described to be round and bubbly and has a habit of baking treats for everybody would be of an endomorph somatotype.
Somatotypes are founded on the idea that every person has a certain body type at birth. Skeletal structure and body composition are expressions of one's body type, or somatotype, which is inherited. The endomorph body type is characterized by a higher proportion of fat and muscle.
Despite being hefty, these individuals are not always fat. If you have an endomorph body type, you are aware of how difficult it is to grow muscle mass and shed weight. You may obtain optimum health and fitness by following specialized diet and exercise routines. Endomorphs have more supple, curved bodies.
They may or may not be overweight, but they have wide hips, a huge frame, and wide shoulders. Their lower belly, thighs, and hips frequently carry the majority of their weight.
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