Answer:
Explanation:
Each leaf typically has a leaf blade ( lamina ), stipules, a midrib, and a margin. Some leaves have a petiole, which attaches the leaf to the stem; leaves that do not have petioles are directly attached to the plant stem and are called sessile leaves.
[tex]Each leaf typically has a leaf blade ( lamina ), stipules, a midrib, and a margin. Some leaves have a petiole, which attaches the leaf to the stem; leaves that do not have petioles are directly attached to the plant stem and are called sessile leaves.}}}[/tex]
A scientist is investigating cell transport.She observes molecules being transported into a cell through proteins present in the cell membrane. These proteins do not use energy to transport the molecules. Which of the following best explains the type of cell transport observed by the scientist?
A. Active transport because the membrane proteins were used
B. Diffusion because the molecules were entering the cell
C.Facilitated diffusion because the proteins were not using energy
D.Osmosis because the molecules were moving against the concentration gradient
Answer: C
Explanation:
A type of facilitated transport called facilitated diffusion involves the passive movement of molecules along their concentration gradient, this second molecule is an integral membrane protein. Thus, option C is correct.
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.
A substance diffuses when it moves from a region of high concentration to one of lower concentration.
When particles in liquids and gases randomly collide and disperse, diffusion takes place. For living things, diffusion is a crucial mechanism because it governs how molecules enter and exit cells.
Cells depend on diffusion to get the nutrients they need to develop and obtain energy, as well as to rid themselves of waste materials.
Therefore, facilitated transport do not use energy to transport the molecules.
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Jake has become very anxious ever since he started taking harder classes in his major.
The university's counselor diagnosed him with an anxiety disorder. Compare and contrast how the behavioral, humanistic, and cognitive approaches would view the origins and treatment of Jake's anxiety. Then, describe how psychologists view each of
the three approaches today."
The behavioral, humanistic, and cognitive approaches provide different perspectives on the origins and treatment of Jake's anxiety.
The behavioral approach would view Jake's anxiety as a learned response that has been reinforced over time. They might suggest that Jake's anxiety is a result of negative experiences or associations with his academic performance, leading to increased anxiety symptoms. Treatment would focus on identifying and modifying maladaptive behaviors through techniques such as exposure therapy and behavior modification.
The humanistic approach would emphasize Jake's self-actualization and personal growth. They might view his anxiety as a result of a discrepancy between his self-concept and the challenges he is facing in his major.
Treatment would involve providing a supportive and empathetic environment where Jake can explore his feelings and values, with the goal of helping him align his personal goals with his academic pursuits.
The cognitive approach would focus on Jake's thoughts and beliefs about his academic performance. They would suggest that his anxiety stems from negative and distorted thinking patterns, such as excessive self-criticism or catastrophic thinking.
Treatment would involve cognitive restructuring, helping Jake identify and challenge irrational thoughts, and developing more adaptive and realistic thinking patterns.
In contemporary psychology, these approaches are not seen as mutually exclusive, but rather complementary. Psychologists recognize that a multidimensional approach, integrating elements from different perspectives, can provide a more comprehensive understanding of psychological issues.
Treatment approaches often combine techniques from various approaches to address the unique needs of each individual, emphasizing a holistic and personalized approach to mental health.
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please help i am about to fail this class off i don’t get an A
Answer:
Same for spanish here i'll help u of u help me
Explanation:
Answer:
Mitosis
Explanation:
Meiosis is the type of cell division that creates egg and sperm cells. Mitosis is a fundamental process for life. During mitosis, a cell duplicates all of its contents, including its chromosomes, and splits to form two identical daughter cells.
2.
What happens if you fail to outwit and beat your competition? Give examples below.
Answer:
You lose and/or fail.
Example: my competition in checkers outwitted me and defeated me, so I didnt win.
Explanation:
When someone beats you, you dont win. The opposite of win is lose, or defeated.
Trading the ability to do one thing for the ability to do another is called
A. Adaptation
B. Camouflage
C. Metamorphosis
D. Fitness Cost
Answer:
Scientists call this trade-off a fitness cost, or trading one ability for another that impacts the probability of successfully reproducing that allows the living thing to survive and reproduce. Mollie doesn't get very sick, but the cost was losing the ability to swim well.
Explanation:
Answer:
A
Explanation:
An adaptation is any heritable trait that helps an organism, such as a plant or animal, survive and reproduce in its environment
In order for cells to grow and develop, they undergo what process?
Answer:
In cells. The increase in size and changes in shape of a developing organism depend on the increase in the number and size of cells that make up the individual. Increase in cell number occurs by a precise cellular reproductive mechanism called mitosis.
helen is studying the growth of different types of plants she planted two of each type of plant in locations with different levels, full sun, partial shade, and full shade. for five weeks helen records growth by counting the number of new leaves on each plant. which of the following statements correctly describe the test ( independent ) and outcome ( dependent ) variable in helens experiment
Answer:
The amount of shade given is the independent variable, while the amount of leaves that grow on each plant is the dependent variable.
Explanation:
The amount of leaves that grow on the tree is determined by how much sun the plant is receiving.
what does nitrogen do in human body?
Answer:
they seves as protein and other important tissues and its an important part of our dna.
Explanation:
Nitrogen is an important part of our bodies. Amino acids all contain nitrogen and these are the building blocks that make up the proteins in your hair, muscles, skin and other important tissues. Nitrogen is an important part of your DNA, which defines what you are like in many ways.
which macromolecule are broken down to make enzymes and structures?
( REWARD AND BRAINLIEST )
Proteins
Fats
Carbohydrates
Lipids
Which of the following are correct when comparing aerobic respiration and anaerobic respiration
Answer:
where is the following?
Explanation:
QUESTION:
Which of the following accurately compares aerobic and anaerobic respiration?
Answer: CORRECT (SELECTED)
Aerobic respiration requires oxygen, and anaerobic respiration does not.
Explanation:
Aerobic respiration occurs in the presence of oxygen. Anaerobic respiration does not require oxygen to proceed.
What are the source of air pollution and how this pollution affects the turan heath?
The top of the leaf in this picture has a wax layer called a cuticle how does the cuticule layer help a leaf
Answer:
Cuticle helps to prevent from loss of water vapour. It is also to trap the sunlight.
HELP ME WITH 13 AND 14 PLZ
Answer:
Explanation:
13 is products and for 14 i cant see the whole diagram
Several temperature-sensitive mutant strains of E. coli display the following characteristics.
Mutant (a): Newly synthesized DNA contains many mismatched base pairs.
Mutant (b): Okazaki fragments accumulate, and DNA synthesis is never completed.
Mutant (c): No initiation occurs.
Mutant (d): Synthesis is very slow.
Mutant (e): Supercoiled strands remain after replication, which is never completed.
What enzyme or function is being affected in Mutant (a), causing many mismatched base pairs?
a. No DNA repair
b. No Primase activity
c. No DNA gyrase activity
d. Only DNA polymerase I activity
e. No DNA ligase activity
The enzyme DNA polymerase I is being affected in mutant (a), causing many mismatched base pairs. Thus, the correct option is C.
What is the role of DNA polymerase I?DNA polymerase I (pol I) processes RNA primers during the lagging strand synthesis and also fills small gaps during the DNA repair reactions. However, it is still unclear how DNA polymerase I and polymerase III work together during the process of replication and repair or how the extensive polymerase I processing of Okazaki fragments is in vivo.
In bacteria, all the three DNA polymerases that is I, II and III have the ability to proofread the DNA molecule, using 3'→5' exonuclease activity in the cell. When an incorrect base pair is recognized by this enzyme, DNA polymerase reverses its direction by single base pair of the DNA molecule and excises the mismatched base pair.
Therefore, the correct option is C.
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In the water cycle, the sun provides
A. energy for water to evaporate from oceans, lakes and rivers.
B. water for evaporation to happen.
C. water for condensation to happen.
D. energy to produce electricity.
Answer:
peperoni is GARROS
Explanation:
Question 2 of 10
Which statement best describes a surface wave?
A. It forms when electric and magnetic fields vibrate perpendicularly
to each other.
B. It occurs at the boundary of two different mediums, such as air
and water
C. It forms when matter vibrates in a direction that is perpendicular
to the direction of the motion of the wave.
D. It forms when matter vibrates in a direction that is parallel to the
direction of the motion of the wave.
SUBMIT
Answer:
The answer B.
Explanation:
I took AP EX quiz.
The statement best describes a surface wave is it occurs at the boundary of two different mediums, such as air and water. The correct option is B.
What is the surface wave?Surface waves are the mechanical waves that spread along the boundary between many media. An example of a surface wave is a gravity wave.
Surface waves run along the medium, such as water and air, or the interface between two liquid surface
Thus, the correct option is B. It occurs at the boundary of two different mediums, such as air and water.
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A semipermeable tube containing 4% Cacı, 9% sucrose, and 10% ovalbumin is suspended in. a solution with the following composition: 10% CaCl2, 10% sucrose, and 40% ovalbumin. Assume
that the tube is permeable to all substances except ovalbumin, which is a large protein.
Use the following answer choices to state the movement of each solution:
(A) a net movement into the tube
(B) a net movement out of the tube
(C) no net movement.
A. Sucrose:
B. Ovalbumin:
C. Water:
D. Caci:
Answer:
Sucrose, CaCl2 = A
Water = B
Protein = C
Explanation:
Why we have a net movement out of the tube?
Because the osmotic pressure is higher out the tube.
That is due because of the greater presence of osmotically actice compounds.
Take a look:
Tube:
4% of CaCl2 > ([tex]Ca^+ + 2Cl^-[/tex])x 0,04
9% of Sucrose > (Sucrose)x 0,09 - Sucrose does not dissociate or ionize
10% of Protein > Does not matter it quantity, because she it's not a osmotic compound.
Solution:
10% of CaCl2 > ([tex]Ca^+ + 2Cl^-[/tex]) x 0,1
10% of Sucrose > (Sucrose) x 0,1
As both CaCl2 and Sucrose are in a higher concentration, we can understand that the osmotic pressure is greater in the Solution side, making the solution of the tube to migrate to her.
But maybe talk does not help. In the annex you can see a drawing of a possibility for this situation.
______
EDIT: I just saw that your question wasn't asking exatcly what I was trying to solve.
But anyway, by the same motives I already said, the answers are:
Sucrose and CaCl2 are going from the down tube - I know it does not sound possible, but imagine that they are really close ore even that they are side to side in the ground -, to the upper tube. That happens because of the EF that I said.
In the other side, water are leaving the uper tube, to equilibrate the concentration of compouns in both systems.
The protein can't move toward any tube, because as the question said, it is far bigger than the spots in the semipermeable membrane.
Also, it doest not has sufficiently interaction trough the other compounds.
Final answer:
Sucrose, CaCl2 = A
Water = B
Protein = C
ribosomes are found floating in the cytoplasm and embedded in the endoplasmic reticulum. their job is to assemble?
Answer:
Ribosomes link amino acids together in the order specified by the codons of messenger RNA molecules to form polypeptide chains. The function of ribosomes is to make proteins for the cell.
Which of the following is arranged in the order of increasing levels of organization?
A
Molecule, atom, cell
B
Cell, atom, molecule
с
Atom, molecule, cell
D
Cell, molecule, atom
Answer:
c
Explanation:
I assume you mean going from smallest to biggest a atom is the smallest, then a molecule, then a cell
The following that are arranged in the order of increasing levels of the organization are Atom, molecule, and cell. The correct option is c.
What is the level of organization?The level of organization shows the making up of different matters from the basic unit. The basic unit of all matter is an atom. The atom is the smallest and basic unit of matter.
The level of organization in its increasing order will be from the smallest to the largest unit. The smallest unit is an atom, atoms make up molecules and substances. The molecules join together to form cells or other compounds.
So the level of organization from largest to smallest will be atoms, molecules, and cells.
Thus, the correct option is c. Atom, molecule, cell regarding the level of organization from largest to smallest.
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Think of an activity you did today. Describe at least five different parts of your brain and how they were involved in that activity.
Listening To Music - Temporal Lobe
Speaking To A Friend - Frontal Lobe
Watched TV - Occipital Lobe
Reading A Book - Parietal Lobe
Breathing - Brain Stem
how do you build rna
Answer:
Cells make RNA messages in a process similar to the replication of DNA. The DNA strands are pulled apart in the location of the gene to be transcribed, and enzymes create the messenger RNA from the sequence of DNA bases using the base pairing rules
Explanation:
Explanation:
how haré you,hello ,my name is bella
What must be present in order for natural selection to occur in a population?
a
Variation
b
Adaptation
c
Ability to choose traits
d
Unlimited resources among species
PLEASE HURRY
Answer:
adaptation
Explanation:
During the prophase stage, loosely arranged stands of chromosomes become coiled, shortened and distinct.
True
False
Answer:
False
Explanation:
Prophase is the first phase of mitosis, the chromosomes are visible in this stage. The chromosomes are distinct but they are not shortened.
what happens immediatley after pyruvate is brought into the mitochondrion
A. 36 ATP molecules form
B. glucose molecules form
C. FADH2 molecules form
D. acetyl CoA forms
Answer:
D. acetyl CoA forms
Explanation:
APEX
Which of the following best describe the process of energy conversion that takes place in the mitochondria?
A. The energy in glucose molecules are transferred to the phosphate bonds in ATP B. Energy needed to bond carbonate
C. The energy in water molecules and solar energy activate the anaerobic cycle D. Oxygen molecules release energy
Answer:
A. The energy in glucose molecules are transferred to the phosphates in ATP
Explanation:
The best description of the process of energy conversion that takes place in the mitochondria is the energy in glucose molecules is transferred to the phosphate bonds in ATP. The correct option is a.
What is energy conversion?The mitochondria in the cell use oxygen to transform the chemical energy that comes from the food we eat into useful energy. Plant cells need chloroplasts to facilitate photosynthesis. The mitochondria are the heart of the cell, converting energy throughout.
When burning wood, heated other stimulated atoms cause the log to release stored potential energy (in the form of chemical energy). Combustion is the name of the chemical reaction that calls for oxygen.
Therefore, the correct option is a. The energy in glucose molecules are transferred to the phosphate bonds in ATP.
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Why do complex carbohydrates, proteins, and fats decrease when the other molecules increase?
Answer:
hi how r u are u fine i am fine an u hehehe
Answer:because the fat is more the carbohydrates so it will increase
Explanation:
What is the term for traits an organism possesses that help it survive better?
a. Mutations
b. Permutations
C. Adaptations
d. Generations
Answer:
Adaptations
Explanation:
Can be inherited through offspring from parents or an organism changes to adapt to an environment and stay alive in order to survive
The survival of the fittest is the quote given by Charles Darwin. The scientist explained the theory of evolution and how organisms transmit adaptable changes from one generation to another.
The correct answer is:
Option C. Adaptations
Adaptations are defined as the changes in the trait of an organism, which helps them to survive and reproduce more in the given surrounding. The evolution of organisms is influenced by environmental factors.
The adaptable changes are heritable, which help the respective generations of the organisms to survive and live longer. Example of adaptations is long necks of giraffe beaks of finches, and stream-lined body of aquatic animals.
Thus, the adaptations help the organism to live, survive, and reproduce more.
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In a dihybrid cross between two pea plants, one parent is green pod-purple flower (GgPp). The other parent’s genotype is unknown. The phenotype f ratio of their offspring is (1 Green Pod-Purple Flower : 1 Yellow Pod-Purple Flower). What is the genotype of the unknown parent?
The unknown parent's genotype in the dihybrid cross is likely GgPp. This genotype would result in a 1:1 phenotypic ratio of green pod-purple flower to yellow pod-purple flower offspring.
In a dihybrid cross, we consider two independent traits. In this case, the traits are pod color (green or yellow) and flower color (purple). The known parent's genotype is GgPp, where G represents the dominant allele for green pod color, g represents the recessive allele for yellow pod color, P represents the dominant allele for purple flower color, and p represents the recessive allele for non-purple (white) flower color.
Since the phenotypic ratio of the offspring is 1 green pod-purple flower : 1 yellow pod-purple flower, we can infer the possible genotypes of the unknown parent. The observed phenotypic ratio suggests that both parents contribute equally to the offspring's traits. Therefore, the unknown parent likely carries the same genotype, GgPp.When the unknown parent's genotype is GgPp, it means that it can produce two types of gametes: GP and gP. The known parent, GgPp, can also produce two types of gametes: GP and gP. The cross between these parents can result in four possible genotypes for the offspring: GGPp, GgPp, Ggpp, and ggPp. However, only two of these genotypes correspond to the observed phenotypic ratio: GgPp (green pod-purple flower) and ggPp (yellow pod-purple flower).Therefore, the genotype of the unknown parent is likely GgPp, which produces the desired 1:1 phenotypic ratio of green pod-purple flower to yellow pod-purple flower in the offspring.
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A bacterium is best described as a
A. type of eukaryote
B. type of virus
C. nonliving particle
D. unicellular prokaryote
Answer:
D.unicellular prokaryote
Explanation:
Answer:check the picture guys
Explanation:
What theory was Huygens writing about?
The wave theory of light is the answer
