Answer:
True
Explanation:
During a contraction cycle, ATP attaches to myosin and allows the muscle contraction to start again. Without ATP, muscles would remain in their contracted state, and would be unable to return to their relaxed state.
What is the difference between learned behavior and an inherited behavior?
Answer:
Learned behavior is a trait that something learned to do, like how to read or ride a bike. Inherited behavior is instictual and naturally comes to an organism at birth, like sleeping or eating.
Which of the following BEST describes the difference between the functions of nucleic acids and enzymes? (A) Nucleic acids inhibit biochemical reactions, while enzymes provide structural support in cells.
B) Nucleic acids contain the genetic code for protein synthesis, while enzymes catalyze chemical reactions
C) Nucleic acids are used as the building blocks of proteins, while enzymes are used as the building blocks of phospholipids
D) Nucleic acids transmit signals that begin biochemical processes, while enzymes convert carbohydrates into lipids and proteins
Answer:
B) Nucleic acids contain the genetic code for protein synthesis, while enzymes catalyze chemical reactions
The correct option is, (B) Nucleic acids contain the genetic code for protein synthesis, while enzymes catalyze chemical reactions.
Which of the following best describes the difference between functions of nucleic acids and enzymes?Nucleic acids contain the genetic code for protein synthesis, while enzymes catalyze chemical reactions. Some proteins catalyze biochemical reactions.What is the main difference between nucleic acid and protein structure?Amino acids and nucleic acids are two categories of crucial macromolecules in the cell. The primary distinction between amino acid and nucleic acid is that amino acid is a monomer and is used to construct proteins, whereas nucleic acid is a polymer of nucleotides that stores genetic information of a cell.What is the difference between nucleic acid and?Nucleic acids, deoxyribonucleic acid (DNA) and ribonucleic acid (RNA), carry genetic information which is read in cells to make the RNA and proteins by which living things function. The well-known structure of the DNA double helix allows this information to be copied and passed on to the next generation.How the functions of proteins differ from the functions of nucleic acids?Nucleic acid plays a crucial role in the storage, transmission, and utilization of the information required for life's operations. Amino acids, which are the building blocks of protein and necessary for life, are present.
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If dylan which has AB- has kids with O blood, could they have a child with O blood. Explain...
Answer:
If the kids have O blood and have children with someone else who has O blood or is a carrier, they could have children with O blood.
Explanation:
Punnett squares :)
. To calculate the probability that an individual taken at random from a population has a particular genotype (AA, Aa, aa), biologists usually think in terms of a pool containing all the alleles from all the parents, known as the gene pool. This is particularly useful when it is impossible to keep track of ancestry (otherwise known as a pedigree).
80 POINTS
The total population of giraffes in a community is 200. The birth rate of the giraffe population is 14/100 per year, the death rate is 10/100 per year, and the emigration rate is 2/100. What is the per capita rate of increase, including emigration, in the giraffe population for this year?
0.02
0.2
4
22
The per capita rate of increase is 0.2.
The total population of giraffes in a community is 200. The birth rate of the giraffe population is 14/100 per year, the death rate is 10/100 per year, and the emigration rate is 2/100. the per capita rate of increase, by 0.2.
What is difference between emigration and immigration?Emigrate means to exit one place, such as one's born country or region, to live in another.
Entery means to move into a non-resident country or region to live. Associate the I of enter with “in” to remember that the word implies moving into a new country.
Thus, option "B" is correct, 0.2.
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There are six people in the Fisher family. Olivia and Marcus are the parents. They have four children, Violet, Nathan, Jonas, and Claudia.
1.) If Violet has green eyes and Jonas has brown eyes, what is Claudia's genotype?
2.) How many people in the family have blue eyes?
compare and contrast prophase of mitosis and prophase of meiosis1?
Answer:
The homologous chromosomes pair together in prophase 1 of meiosis, but they do not during prophase 1 of mitosis. This is achieved by a process known as synapsis, where the similar chromosomes pair according to sequence similarity. The homologous chromosomes are held together by a protein structure known as the synaptonemal complex in a chromosome body known as a tetrad (because it contains 4 replicated chromosomes known as chromatids) or bivalent (if the organism is diploid). This pairing during prophase 1 of meiosis allows recombination to take place between the homologous chromosomes. This occurs early during prophase but the manifestation of recombination only becomes visible during the later stages of prophase 1 and in metaphase 1. Because the chromosomes adopt different structures during prophase 1 of meiosis, this stage is sub-divided into 5 stages: leptotene, zygotene, packytene, diplotene and diakinesis. It is during diplotene and diakinesis that the physical manifestation of recombination can be seen. This is the presence of chiasmata (chiasma, singular). These are the sites where recombination, or exchanges between homologous chromosomes, has taken place. By the end of prophase 1, it is only the chiasmata that holds the homologous chromosomes together. This constriction make the tetrads adopt a variety of structures, the shape of which depends upon the number of chiasmata formed. The tetrads stay in this conformation until metaphase 1. Synapsis, the formation of the synaptonemal complex, the formation of chiasmata does not take place during prophase 1 of mitosis and these processes represent the major differences between prophase of the two nuclear divisions.
Evolution is controversial among scientists. O True False
Answer:
true............
Explanation:
I just now
Organisms are named and classified based on physical characteristics in
•evolutionary trees
•Linnaeus taxonomy
•molecular clocks
•Freudian clads
Answer:
Linnaeus taxonomy
Explanation:
organisms are named and classified based on physical characteristics in linnaean taxonomy Which of the following is the most abundant group of organisms on Earth.
The stamen relates to ______________ by producing pollen
photosynthesis
cellular respiration
transpiration
growth
reproduction
Answer:
reproduction
I am typing this part because it wouldn't let me submit because I didn't have enough written
A. the tempatures on the islands
B. the available food on the islands
C. the available water in the islands
D. the number of mates on the islands
Look at the picture Please.
Can someone please tell me which ones I am getting wrong? (my answers in parentheses)
Read the statements and decide if it applies to RNA, DNA, or both:
1. Has both purines & pyrimidine (Both)
2. Contains Ribose (RNA)
3. Has negatively charged phosphate groups (Both)
4. Contains hydrogen bonds between nitrogen bases (DNA)
5. The monomer is a nucleotide (DNA)
6. Composed of CHONP (? Both)
7. Contain the Uracil nitrogen base (RNA)
Answer:
5 is both RNA and DNA....they are building blocks are nuclotides because they are both Nucleic Acids
Catalysts increase the rate of chemical reactions.
True
False
Answer:
T
Explanation:
rueeeeeeeeeeeee
How does science lead to new technology and how does technology add to our scientific understanding of the natural world?
what are the causes of biodiversity loss????
Which of the following is the best definition for the term climate?
Answer:
climate is an area's weather over a long period of time. Weather is day-to-day and climate is the weather over long periods of time.
Explanation:
Which type of reproductive isolation occurs when there are differences in the size or shape of reproductive parts and may prevent interbreeding
Temporal isolation, in biology, a type of reproductive isolation mechanism among sexual organisms in which the differences in the timing of critical reproductive events prevent members of closely related species, which could otherwise breed with one another, from mating and producing hybrid offspring.
A prezygotic barrier called temporal isolation promotes speciation, or the creation of new species. Isolation on account of geography, reproduction, or behavior are other prezygotic obstacles.
What reproductive isolation occurs in temporal isolation?A reproductive isolation process known as temporal isolation prevents members of closely related species from mating and producing hybrid offspring.
Temporal isolation occurs when essential reproductive activities occur at different times in sexual organisms.
When two or more species reproduce at different times, this is known as temporal isolation. For instance, three different orchid species might be found in the same rain forest.
Therefore, Each species possesses one-day-only blooms that need to be pollinated on that day in order to produce seeds.
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True or false: the type of plant impacts the rate of transpiration
Answer: True
Explanation:
i took the test :)
What is the likely effect of removing the wildcat on the population of ows and rabbits.
Think all the way down to the mouse.
PLZ HELP
Answer:
Rabbits would survive because there's 1 less predator preying on them, therefore they will reproduce more rabbits and rabbits will overpopulate. And the same thing will happen with the mice, therefore the owls will have less competition over food and their population will grow.
In terms of the correct way to hold a hockey stick, which of the
answers is correct?
Answer:
The top hand on a hockey stick provides all of the control and touch, so it should be your dominant hand. If you hold the hockey stick with your right hand on top of the stick and your left hand down the stick, you are a left-handed shooter.
Explanation:
Check all that apply regarding the hypothalamus. Check All That Apply Responds to changes in ambient temperatureResponds to changes in ambient temperature Regulates the release of thyroid stimulating hormoneRegulates the release of thyroid stimulating hormone Regulates sleep and wakefulnessRegulates sleep and wakefulness Evokes nausea during anxietyEvokes nausea during anxiety Secretes the hormone melatoninSecretes the hormone melatonin Relays sensory information to the cerebrumRelays sensory information to the cerebrum
Answer:
I. Responds to changes in ambient temperature.
II. Regulates sleep and wakefulness.
III. Regulates the release of thyroid stimulating hormone.
IV. Evokes nausea during anxiety.
Explanation:
Hypothalamus can be defined as a small portion of the mammalian brain responsible for the secretion of hormones through the stimulation of the pituitary gland.
It is located between the midbrain and the thalamus. Also, hypothalamus is the most inferior portion in the diencephalon of the forebrain.
Basically, hypothalamus is the most important portion of the brain in vertebrates that controls various bodily functions.
The functions of the hypothalamus includes;
I. Responds to changes in ambient temperature.
II. Regulates sleep and wakefulness.
III. Regulates the release of thyroid stimulating hormone.
IV. Evokes nausea during anxiety.
Which of the following take place in the
mitochondria? Select all that apply.
glycolysis
citric acid cycle
electron transport chain
oxidative phosphorylation
Answer:
D
Explanation:
When performing low-intensity activities, the oxidative system uses fats as a substrate to produce ATP. Thus, option D is correct.
What is the significance of oxidative phosphorylation?The majority of the ATP required for higher animals and plants to sustain life is produced by oxidative phosphorylation, which is also in charge of establishing and preserving metabolic equilibrium.
The last phase of aerobic cellular respiration is oxidative phosphorylation. The production of many ATP molecules is the primary goal of oxidative phosphorylation.
The energy system that largely supports prolonged, low-intensity exercise is sometimes referred to as the aerobic system. By boosting oxygen availability and enhancing our capacity to metabolize fat for energy, it supports this kind of exercise.
Therefore, oxidative phosphorylation take place in mitochondria.
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If 98 out of 200 individuals in a population express the recessive phenotype, what percent of the population would you predict to be homzygous dominant?
Answer:
49% is the answer for this question
what’s The definition of Troposphere
the lowest region of the atmosphere, extending from the earth's surface to a height of about 3.7–6.2 miles (6–10 km), which is the lower boundary of the stratosphere.
Answer: its basically in simple terms: the lowest point of the earth's atmosphere
Explanation:can i get brainliest :D
Effector molecule binding changes the behavior of enzymes by altering the equilibrium between the tense (T) state and the relaxed (R) state. Effectors are classified as either homotropic or heterotropic. Match each description with homotropic effectors, heterotropic effectors, or both. Some statements may not describe either type of effector.
Homotropic effector Heterotropic effector Both an enzyme's substrate alters the K of an enzyme works by altering the T/R ratio accounts for the sigmoidal nature of a velocity versus substrate concentration curve alters the V. of an enzyme
Answer:
Explanation:
Homotropic effector-[tex]\text{accounts for the sigmoidal nature of a velocity versus substrate concentration curve}[/tex][tex]\text{An enzyme's substrate.}[/tex]Both -[tex]\text{Works by altering T/R ratio.}[/tex]The phrase [tex]\text{"accounts for the sigmoidal nature of a velocity versus }[/tex]
is relevant and can be applied for homotropic effector molecules since the heterotropic effector molecules have the possibility and affinity to change the sigmoidal curve to a more potential hyperbolic curve contingent upon the allosteric effector to be positive or negative modulator.
The expression isn't relevant for both homotropic and heterotrophic effectors since the two of them can tie to the allosteric site of allosteric enzymatic compounds.
The phrase [tex]\text{"works by altering the T/R ratio"}[/tex] is significant and can be applied for both homotropic and heterotropic effectors.
The expression [tex]\text{"an enzyme's substrate"}[/tex] is significant and applied for homotropic effectors just as when substrate molecules tie to the allosteric site of enzyme then it is regarded as homotropic effectors. The heterotropic effectors are effectors apart from substrate molecules.
The phrase [tex]\text{"alters the} \ K_m \ \text{ of an enzyme"}[/tex] is not applied and insignificant to none of the heterotropic or homotropic effector molecules since [tex]K_m[/tex] is significant for the enzymes that obey the Michaelis-Menten equation, but allosteric enzymes do not obey the Michaelis-Menten equation. Homotropic and heterotropic effectors are viable and efficient for allosteric enzymatic chemicals that don't contain
Match each structure on the left with the corresponding function on the right. Group of answer choices Chemically digests food, absorbs nutrients and minerals from food Small Intestine Breaks down and physically digests food Stomach Metabolizes nutrients, detoxifies blood, makes bile Liver Stores and concentrates bile Gallbladder Removes waste products and excess fluid Kidney Filtering structure of kidney Nephron Produces eggs and reproductive hormones Ovary Produces sperm and reproductive hormon
Answer:
1. Chemically digests food, absorbs nutrients and minerals from food - Small intestine
2. Breaks down and physically digests food - Stomach
3. Metabolizes nutrients, detoxifies blood, makes bile - Liver
4. Stores and concentrates bile - Gallbladder
5. Removes waste products and excess fluid - Kidney
6. Filtering structure of kidney - Nephron
7. Produces eggs and reproductive hormones - Ovary
8. Produces sperm and reproductive hormone - Testis
Explanation:
This question is asking to correctly match certain digestive organs with their respective function. The organs and their function are as follows:
- Small intestine: Small intestine is the major organ that digests food chemically, and also absorbs nutrients and minerals from food.
- Stomach: This breaks down and physically digests food.
- Liver is responsible for metabolizing nutrients, detoxification of blood, and making of bile.
- Gall bladder is a greenish yellow organ responsible for the storage and concentration of the bile produced by the liver.
- Kidney is the major excretory organ of the body, which removes waste products and excess fluid from the body.
- Nephrons are numerous filtering structure of the kidney.
- Ovary is the female reproductive organ that produces the eggs/ova and other reproductive hormone like oestrogen.
- Testis is the male reproductive organ that produces the sperm and other reproductive hormone like testosterone etc.
California condors (Gymnogyps californianus) are listed on the IUCN Red List as being critically endangered. Since 2003, the California Condor Recovery Program has been reporting their demographic data. In 2012 they estimated the number of individuals living in the wild to be 235. If their intrinsic rate of natural increase is 0.089 ind/year, predict the size of the California condor population in 2022.
Answer:
≈ 572
Explanation:
Predict the size of the California condor in 2022
we can predict this value with this relation below
Nt = No*e^(rt) --- ( 1 )
where ; Nt = Future population , No = initial population, r = intrinsic rate of increase , t = time
No = 235
r = 0.089
t = 2022 - 2012 = 10
Insert values into equation 1
Nt = 235 * e^( 0.089 * 10 )
= 235 * e^0.89
≈ 572
Therefore the size of the California condor population in 2022 ≈ 572
པས། Question 7 Which group can be considered to be the most complex of cells? protists fungi algae bacteria
Answer:
I think Fungi is the correct answer
Why is parthenogenesis considered an adaptation?
Turtles and leopards all have four limbs and an amnion. True The common ancestor of lamprey and lancelets had a vertebral column. False In this tree, frogs are the sister taxon of turtles and leopards. False Leopards and bass are more closely related than turtles and bass. False The taxon that shares the most recent common ancestor with frogs is the bass. True Leopards and lancelets have no common ancestor. False
Answer:
Explanation:
The objective is to conclude if the statements are true or false based on facts.
1)[tex]\text{ Turtles and leopards all have four limbs and an amnion. }[/tex] True
2) [tex]\text{The common ancestor of lamprey and lancelets had a vertebral column. }[/tex] False
This is because their ancestor is a Chordate who doesn't have a vertebral column but a notochord.
3) True
[tex]\text{Frogs are the sister taxa of turtles and leopards because they are more }[/tex]
[tex]\text{related to a common ancestor.}[/tex]
4) [tex]\text{Leopards and bass are more closely related than turtles and bass}[/tex] False
This is because the bass is a fish that possess some characteristics traits related to an amphibian (turtle) as compared to a mammal(leopard).
5) [tex]\text{The taxon that shares the most recent common ancestor with frogs is the bass.}[/tex] False
The taxa of turtles share a more common ancestor with frogs compared to bass.
6) [tex]\text{Leopards and lancelets have no common ancestor. }[/tex] False
The common distant ancestor for leopards and lancelets is known as Chordates