Answers
Answer:
I think its C
Explanation:
when the roller coaster is at a high point, it has potential energy but no Kinetic energy but I could be wrong so
Related Questions
PLEASE HELP ITS DUE SOON!!! Explain why it is not possible to predict the sex of one individual offspring
Answers
a poor environment can prevent your genes from keeping you healthy? true or false and why ?
Answers
Answer:
it's answer is false because a poor environment can't make us healthy.
according to Piaget, what is the key milestone that signals the end of the sensorimotor stage?
Answers
According to Piaget's theory of cognitive growth, the development of mental representation, or the ability to form mental representations and symbols that reflect things and events in the environment, marks the end of the sensorimotor stage.
This developmental milestone reflects the change from the sensorimotor to the preoperative stage, which happens around the age of two. Infants learn about the world largely through their senses and motor activity during the sensorimotor phase, which lasts from birth until roughly 2 years of age. During the preoperational period, children develop mental representation, which allows them to use symbols and language to convey objects and events that are not present.
Learn more about Piaget's theory, here:
https://brainly.com/question/26257988
#SPJ4
help me i will give brainliest please
Answers
Answer:its A
Explanation:
In a lever, 120 N load is attached at a distance of 20 cm from the fulcrum. If this effort is used to lift 50 kg weight then, the load distance is:!?
Answers
Answer:
The load distance is 4.9 cm
Explanation:
Given;
Effort applied to the lever, E = 120 N
Load overcame by the effort, L = 50 kg = 50 x 9.8 = 490 N
distance of the effort from the fulcrum, e = 20 cm
let the distance of the load from the fulcrum = d
The following simple set-up is used to illustrate this lever;
-----------------------------Δ-------------------------------
↓ 20cm d ↓
120 N 490 N
Lever operates on the principle of moment, so take moment about the pivot (fulcrum);
490(d) = 120(20)
d = (120 x 20) / (490)
d = 4.9 cm
Therefore, the load distance is 4.9 cm
State the 7 steps required to replicate DNA. Include enzymes names and their functions.
Answers
Answer: Step 1: Replication Fork Formation. Before DNA can be replicated, the double stranded molecule must be “unzipped” into two single strands. ...
Step 2: Primer Binding. The leading strand is the simplest to replicate. ...
Step 3: Elongation. ...
Step 4: Termination
Explanation:
A majority of the carbon dioxide and carbon monoxide in earth’s atmosphere come from?
Answers
Unlike corbon dioxiod and carbon monoxide does not occur naturaly in the atmosphere.it is created through The Incomplete Combustion Of Coil ,Natural Gas,Oils.Low Levels Of Oxygen And Low Temperature Lead To The Carbon Monoxide In The Combustion mixture.
The variation of the electrical potential associated with the passage of a pulse along the membrane of a muscle cell or a nerve cell is called __________
Answers
An action potential is the variation of the electrical potential associated with the passage of a pulse along the membrane of a muscle cell or a nerve cell.
What is a nerve cell?The nerve cells are the cells involved in the formation of nervous tissue. it helps in the conduction of stimuli through the nervous system.
An action potential is the variation of the electrical potential associated with the passage of a pulse along the membrane of a muscle cell or a nerve cell.
Thus, the answer is action potential.
For more details regarding action potential, visit:
https://brainly.com/question/4305583
#SPJ4
plant growth is generally indeterminate. this plant characteristic would be most useful to grasses in a meadow when they are exposed to constant grazing by cattle. (True or False)
Answers
Plant life does not go through a whole cycle of growth and development like animal life; instead, it goes through a series of stages.
The height and girth of woody trees expand, and they sporadically produce leaves, blossoms, and fruits. Since they have an infinite capacity for growth, plants can go through several stages of growth and development at any one time. Meristems, a specific type of cell with the potential to divide and self-replicate, are what give plants their extraordinary capacity. Contrarily, indeterminate growth, also referred to as an open form of growth, is growth that continues indefinitely.
Learn more about Plant life here:
https://brainly.com/question/3753945
#SPJ4
which of the following are virulence factors typically seen in enteric bacteria? multiple select question. a.endotoxin b. coagulase c. exotoxins d .capsules e. fimbriae
Answers
Enteric bacteria are a group of bacteria that inhabit the intestines of animals, including humans. They are capable of causing a variety of infections, including gastrointestinal illnesses. The Correct option is A, D, E
Many enteric bacteria produce virulence factors that enable them to colonize and survive in the host organism. Among the common virulence factors produced by enteric bacteria are endotoxins, exotoxins, capsules, and fimbriae. Endotoxins are lipopolysaccharides that are present in the outer membrane of gram-negative bacteria and can cause a strong immune response.
Exotoxins are secreted proteins that can cause damage to host tissues. Capsules help bacteria evade the host immune system, while fimbriae allow bacteria to attach to host cells and surfaces. Coagulase, on the other hand, is a virulence factor typically seen in staphylococcal bacteria, not enteric bacteria.
Learn more about Enteric bacteria
https://brainly.com/question/30973672
#SPJ4
notch is a receptor protein displayed on the surface of certain cells in developing fruit fly embryos. notch’s ligand is a membrane-bound protein called delta that is displayed on the surface of adjacent cells. when notch is activated by its ligand, the intracellular tail of the notch protein becomes separated from the rest of the protein. this allows the intracellular tail to move to the cell’s nucleus and alter the expression of specific genes.
Answers
Delta's role in regulating cell communication through the Notch signaling pathway is that Delta restricts cell communication to short distances within a developing embryo.
What is cell communication?Chemical signals are typically used by cells to communicate. These chemical signals, which are proteins or other molecules made by the sending cell and released into the extracellular space, are frequently secreted by the cell. They can then travel to nearby cells by floating there, much like messages in a bottle.
During the development of fruit fly embryos, the receptor protein notch is visible on the surface of some cells. The protein delta, which is membrane-bound and expressed on the surface of neighboring cells, is the ligand for the notch. The intracellular tail of the notch protein separates from the rest of the protein when notch is activated by its ligand. Consequently, the intracellular tail can move to the cell's nucleus and change the way some genes are expressed.
Learn more about cell on:
https://brainly.com/question/13123319
#SPJ1
which of the following steps is not required/true for both gene microarrays and rnaseq analysis? choose one: a. sequence of genes must be known in advance to yield results b. method is used to determine gene expression levels by analyzing mrna levels c. mrna must be isolated from the whole cell lysate d. complementary dna is generated from the mrna
Answers
The majority of these methods, such as reverse transcription polymerase chain reaction (RT-PCR) and microarray analysis, gauge mRNA levels. Yet using a method called a Western blot, researchers can also quantify protein levels directly to study gene expression.
What is microarrays?An instrument used in the lab called a microarray can simultaneously detect the expression of thousands of genes. DNA microarrays are microscope slides with thousands of tiny spots printed in precise locations; each spot contains a recognised DNA sequence or gene. It is particularly helpful in the detection of single-nucleotide polymorphisms (SNPs) and mutations, the classification of tumours, the identification of tumour suppressor target genes, the identification of cancer biomarkers, the detection of genes linked to chemo resistance, and the discovery of new drugs.A general laboratory technique known as "microarray technology" involves attaching a collection of thousands to millions of known nucleic acid fragments to a solid surface known as a "chip."To learn more about microarrays, refer to:
https://brainly.com/question/14545749
#SPJ1
If an organism has a vestigial structure, that structure likely once had a function in a(n)
Answers
Answer:
Early Ancestor
define inflammation????????
Answers
Answer:
Inflammation is a process by which your body's white blood cells and the things they make protect you from infection from outside invaders, such as bacteria and viruses.
Explanation:
I got this from my notes, since I am studying it rn. Hope this helped:)
Which of the following hormones acts on target cells via a second-messenger system?
A. Thyroid hormone
B. Aldosterone
C. Cortisol
D. Epinephrine
Answers
Correct option is D, Epinephrine, or adrenaline, is a hormone produced by the adrenal gland. It acts on target cells by binding to adrenergic receptors present on the cell surface.
Upon binding, epinephrine triggers a cascade of intracellular signaling events through a second-messenger system.
Second messengers are small molecules that relay signals from cell surface receptors to intracellular proteins. They facilitate the transmission of signals within the cell, ensuring rapid and efficient communication.
Two well-known second-messenger systems are the cyclic AMP (cAMP) system and the phosphatidylinositol bisphosphate system.
In the case of epinephrine, it binds to adrenergic receptors on target cells, activating the G protein-linked receptor system. This activation leads to the production of cyclic AMP as a second messenger molecule.
Cyclic AMP then initiates various intracellular responses, such as the breakdown of glycogen and the release of glucose into the bloodstream.
Therefore, epinephrine acts on target cells via a second-messenger system, specifically the cAMP system.
know more about Epinephrine here: brainly.com/question/22817529
#SPJ11
What is the effect of scary movies on pulse rate?What is the dependent variable?
A) Effect of scary movies
B) Pulse rates
C) The person
Answers
What makes an inference different from a prediction?
Answers
Answer:
An inference is different from a prediction because a prediction is usually an educated guess (which is usually not correct) while an inference is a guess based on evidence that you have studied or read somewhere
Explanation:
what happens in meiosis during telophase l? A) sister chromatids are pulled apart. B) four haploid cells form from each parent cell. c) two haploid cells are formed. d)four retreads form in the center of the cell.
Answers
Two haploid cells are formed during Telophase I.
A nuclear sheath may form around the bundle of chromosomes. Some species, like human females, go through the first four phases of meiosis before giving birth to the germline cells. For some period, the germline cells are in telophase I. When the gamete is required for reproduction, there is a second round of division.The parent cell has two poles at Telophase I of the meiotic cycle, each with a full complement of haploid chromosomes (which still have their sister chromatids).Now, a cleavage furrow forms, separating the cytoplasm of the cell in two (a process ultimately called cytokinesis). The two daughter cells start preparing for the second meiotic division as soon as the cytoplasm has completely divided.Therefore, option (C) is correct.
Learn more about meiosis:
https://brainly.com/question/16249478
#SPJ9
Describe the characteristics of a neutralization reaction how it is identified and types of compounds in the reactants and products
A neutralization is a double displacement reaction in which one of the products is water. In a neutralization reaction, there will be an "H" in one reactant and an "OH" in the other reactant. One of the products will water, H-OH (H₂O). and is a double displacement reaction.
Answers
The characteristics of a neutralization reaction are the formation of a salt and water.
A neutralization reaction is a type of reaction in which an acid and a base react to form water and a salt.
A salt is an ionic compound containing a cation and an anion that are not H+ or OH-.
Examples of neutralization reaction:
Acid + Base → Salt + WaterHCl + NaOH → NaCl + H₂O
Identification of neutralization reaction:The characteristics of a neutralization reaction are the formation of a salt and water. The pH of the solution will be neutral (pH = 7) after a neutralization reaction.
Types of compounds in reactants and products:
Reactants: In a neutralization reaction, an acid and a base are the reactants. The acid is a proton donor, while the base is a proton acceptor. The acid and base will always be in an aqueous state.
Products: In a neutralization reaction, the products are salt and water. The water is a neutral molecule that is formed by the reaction of H+ and OH-. The salt is an ionic compound composed of a cation from the base and an anion from the acid.
Learn more about Neutralization reaction https://brainly.com/question/27745033
#SPJ11
Which of the following substances increases in amount during the cellular respiration of glucose?
Select one:
a. O2
b. NADH
c. ADP
d. Glucose
Answers
Not too sure and don't wanna get it wrong
Answers
what is the specific term that describes the loss of a single chromosome (2n - 1)?
Answers
The specific term that describes the loss of a single chromosome in a cell is called monosomy. Monosomy occurs when an individual has only one copy of a particular chromosome instead of the usual two copies (2n - 1). In other words, the individual is missing one chromosome from a pair.
Monosomy can occur due to various genetic abnormalities or errors during cell division. One well-known example is Turner syndrome, which is characterized by the presence of a single X chromosome in females (45,X) instead of the typical XX karyotype. In Turner syndrome, the loss of one X chromosome leads to developmental and physical characteristics associated with the condition.
Monosomy can have significant effects on an individual's health and development. The absence of genetic material carried by the lost chromosome can disrupt the balance of gene expression and the functioning of cellular processes. The severity of the effects depends on the specific chromosome involved and the genes it carries.
Monosomy is relatively rare compared to other chromosomal abnormalities, such as trisomy (the presence of an extra chromosome). Trisomies, such as Down syndrome (trisomy 21), are generally more common because they involve an extra chromosome rather than a missing one.
In conclusion, monosomy refers to the loss of a single chromosome (2n - 1) in a cell. It can have significant implications for an individual's health and development, and examples like Turner syndrome highlight the effects of monosomy on human biology.
To know more about monosomy, refer to the link below:
https://brainly.com/question/30740388#
#SPJ11
What is archaea part of prokaryotes
Answers
Answer:
archaea, (domain Archaea), any of a group of single-celled prokaryotic organisms (that is, organisms whose cells lack a defined nucleus) that have distinct molecular characteristics separating them from bacteria (the other, more prominent group of prokaryotes) as well as from eukaryotes (organisms, including plants and animals, whose cells contain a defined nucleus). :))
11. Which part of a plant cell contains chlorophyll?
Answers
Answer:
Explanation:
chloroplasts
In plants, photosynthesis takes place in chloroplasts, which contain the chlorophyll. Chloroplasts are surrounded by a double membrane and contain a third inner membrane, called the thylakoid membrane, that forms long folds within the organelle.
The part of a plant cell that contains chlorophyll is the chloroplasts
How many atoms of carbon are on the reactants side?
6H2O + 6CO2 ---------> C6H12O6 + 6O2
Answers
The number of atoms of carbon on the reactant's side would be 36.13 x \(10^{23\) atoms.
Number of atoms in moles of a substanceAccording to Avogadro, 1 mole of a substance will contain 6.022 x \(10^{23\) atoms of the substance.
From the equation, the number of moles of carbon atoms on the reactant's side is 6 moles.
1 mole of a substance = 6.022 x \(10^{23\)
6 moles of carbon atom = 6.022 x \(10^{23\) x 6/1
= 36.13 x \(10^{23\) atoms
In other words, the number of atoms of carbon on the reactant's side is 36.13 x \(10^{23\) atoms.
More on the number of atoms in substances can be found here: https://brainly.com/question/2937501
#SPJ1
which of these explains why a drug that damages capsids can help in the treatment of a viral infection
Answers
Viruses are composed of genetic material surrounded by a capsid made of proteins. D. a drug that damages capsids can help in the treatment of a viral infection because capsids provide protection for viruses.
What is the viral structure?
The virus structure includes genetic material (DNA or RNA) inside a proteic protector layer known as the capsid.
The capsid structure might vary among viruses. It is composed of proteins that are codified by the viral genes in the viral genome.
Basically, the virus structure is always genetic material (DNI or RNA) surrounded or protected by proteins.
The correct option is D. Capsids provide protection for viruses.
You can learn more about viral structure at
https://brainly.com/question/15057702
#SPJ1
Complete question:
Why would a drug that damages capsids help treat a viral infection?
A. Capsids prevent the lytic cycle from beginning.
B. Transduction requires a capsid.
C. Viruses use capsids to increase genetic variation.
D. Capsids provide protection for viruses.
what formulae do we use when calculating the number of organisms using capture recapture method. Some help I will give you brainliest
Answers
Answer:
Use the information on capture recapture method to calculate the total number of organisms in habitat.
First capture : 200
Second capture : 120
Number of organisms with second capture =40. The number of of organisms therefore is 600
Explanation:
Hope this helps u
Using the Gizmo, create a fruit fly with the correct genotype. Explain how you did it
Answers
Answer:
I did 4 crossovers and followed the genotype. That's how I did it.
Explanation:
Answer:
I did 4 crossovers and followed the genotype that the gizmo gave to me.
Explanation:
Hope this helped! :)
What is similar about fermentation and phtotsynthesis.
Answers
What is the total magnification of the specimen under the 10x objective on our virtual microscope?
Answers
Answer:
Low Power Objective (10x)
The total magnification of a low power objective lens combined with a 10x eyepiece lens is 100x magnification, giving you a closer view of the slide than a scanning objective lens without getting too close for general viewing purposes