The disadvantages of inbreeding include ________.
Answer:
Explanation:
Inbreeding results which can increase the chances of offspring being affected by deleterious or recessive traits. This usually leads to at least temporarily decreased biological fitness of a population (called inbreeding depression), which is its ability to survive and reproduce.
Line graphs that indicate time along the x-axis can be used to predict what would happen to dependent variables in an
experiment at a later point in time
O only if the existing line shows an upward trend.
only if the existing line shows a downward trend.
Of a new variable was introduced to the experiment.
O if the experiment continued under the same conditions.
Answer:
D
Explanation:
Line graphs that indicate time along the x-axis can be to predict if the experiment continued under the same conditions. The correct option is D.
What are variables?A variable is a value that can change in programming in response to conditions or information passed to the program. A typical program consists of data used by the program while it is running and instructions that tell the computer what to do.
Variable values are typically initialized to "0" or some default value because the actual values will be supplied by a program's user, and constant or fixed values, which never change, make up the data.
Constants and variables are typically referred to as particular data types because each defines and restricts the data's form. These are some examples of data types: an unrestricted string of text characters or an integer expressed as a decimal number.
Therefore, the correct option is D. if the experiment continued under the same conditions.
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When Skeletal muscle contracts an arrangement of the alternating light and dark bands traversing each skeletal muscle cell changes. Which of the following statements is not correct?(a) The dark A bands will remain a constant length(b) The space occupied by the H zone will not change(c) The light I bands will shorten(d) The z lines come closer together(e) The I band consists solely of thin actin filaments
Answer:
(b) The space occupied by the H zone will not change
Explanation:
The sarcomere is the contractile unit in a skeletal muscle.Thick myosin myofilaments are located in the central region of the sarcomere, which corresponds to the A band. Thin filaments united to the Z lines, extends to the interior of the A band until they reach the border of the H band. I band is formed solely of thin actin filaments, belonging to two sarcomeres adjacent to a Z line. (option (e) is correct)When the muscle contracts, the muscular fiber gets shorter and thicker due to the reduction in length of the sarcomere. The H line and the I band get shorter (Option (b) is not correct, but option (c) is correct). The Z lines get closer to the A band, meaning that they get closer to each other (Option (d) is correct). A band keeps constant in length (Option (a) is correct)This change is produced by movement mechanisms that involve a change in the relative position of actin and myosin filaments.When does DNA replication occur in a cell?
Answer:
DNA replication occurs in the S phase (The phase of DNA synthesis)
Explanation:
This replication of DNA occurs during interphase in the S phase. (2nd phase in the process).
Is the hypothesis about ice cream scientifically testable?
Answer:
No, this is not a testable hypothesis.
Explanation:
Hypothesizing regarding ice cream flavor preferences and texture is not scientifically testable since it inquires for a subjective statement from the subject who would be taking part in the experiment. Scientific method is a set of objective steps taken to formulate some conclusion about an observation or a phenomenon.
What is the function of the eyespot in Euglena?
Answer:
The correct response will be "Tends to help turn towards the light".
Explanation:
The eyespot should not be an eye or an observer but somehow it needs to respond to adjustments in some kind of a light source's brightness. The Euglena may do the photosynthetic activity to prepare the meal for themselves. The eyespot makes it travel toward illumination, the source of power for photosynthetic organisms.A block of aluminum occupies a volume of 20.0 mL and weighs 50.0 g. What is its density?
Answer:
[tex] \boxed{\sf Density = 2.5 \ g/mL} [/tex]
Given:
Mass = 50.0 g
Volume = 20.0 mL
To Find:
Density
Explanation:
Formula:
[tex] \boxed{ \bold{Density = \frac{Mass}{Volume}}}[/tex]
Substituting value of mass & volume in the formula:
[tex] \sf \implies Density = \frac{50.0}{20.0} \\ \\ \sf \implies Density = 2.5 \: g/mL [/tex]
Which of the following statements is true related to hormones that regulate blood calcium levels?
1. Calcitonin causes bone to be broken down. 2. Calcitonin is released by the parathyroid gland to help lower blood calcium levels. 3. Parathyroid hormone is released by the parathyroid gland to help lower blood calcium levels. 4. Calcitonin is released by the thyroid gland to help lower blood calcium levels.
Answer:
Calcitonin causes bone to be broken down.
Explanation:
What claims are made by the transporting company? Check all that apply.
The transport is maintained at –18°C.
–18°C maintains the quality of ice cream.
The crystal size of creamy ice cream is 5µm.
They produce creamy ice cream crystals at 15 µm.
They maintain ice cream crystal size at 15 µm.
Answer:
A. The transport is maintained at –18°C.
B. –18°C maintains the quality of ice cream
E. They maintain ice cream crystal size at 15 µm.
Explanation:
The claims that are made by the transporting company are as follows:\
The transport is maintained at –18°C.–18°C maintains the quality of ice cream.They maintain ice cream crystal size at 15 µm.Thus, the correct options for this question are A, B, and E.
What is Claim?A claim may be defined as a type of instance through which one expresses their own right to something that belongs to themselves. It is a statement that asserts something to be true without providing any sort of evidence or proof.
In every field or profession, some claims are present that meet the need for the actual performance of the task by its employees. The same principle is applied to the transporting company as well.
According to the claims of transporting company, the transport is always maintained at –18°C. This is because it is the temperature that maintains the quality of ice cream for a long period of time.
Apart from this, they are also required to maintain ice cream crystal size at 15 µm.
Therefore, the correct options for this question are A, B, and E.
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A pharmaceutical company tries to develop a drug that improves tissue oxygenation by increasing the percentage of oxygen that is released from hemoglobin during its passage through the capillaries of extrapulmonary tissues. This drug, it is hoped, would become a popular doping agent for athletes.
The company should try a drug that:________.
a) Binds to ion channels in the red blood cell (RBC) membrane, thereby increasing the intracellular pH value
b) Binds to the R conformation of hemoglobin, but not the T conformation
c) Binds to the heme iron
d) Inhibits the degradation of 2, 3 - BPG, thereby increasing its concentration in erythrocytes.
e) Prevents binding of CO2 to hemoglobin
Explain your reasoning for each of the answers above (a through e).
Answer:
D. Inhibits the degradation of 2,3-BPG, thereby increasing its concentration in erythrocytes
Explanation:
A pharmaceutical company trying to develop a drug that improves tissue oxygenation by increasing the percentage of oxygen that is released from hemoglobin during its passage through the capillaries of extrapulmonary tissues. This drug, it is hoped, would become a popular doping agent for athletes.This means that the company should try a drug that Inhibits the degradation of 2,3-BPG( 2,3-Bisphosphoglycerate) , thereby increasing its concentration in erythrocytes
Which leader of France allowed small businesses to use "Traditional Measurements"? Group of answer choices Louis XVI Louis Phillippe Napoleon Boneparte Charles X
Answer: Napoléon Bonaparte
Explanation:
Napoléon Bonaparte seized political power in France after the 1799 coup d'état, and he then crowned himself as the emperor few years later in 1804. He expanded his empire and eager war against different European countries.
When he took over power, he allowed the small businesses to use traditional measurements that were being redefined in metric terms. It should be noted that the metric system was the standard for formal use.
in photosynthesis, what three things enter from outside the plant?
Answer:
the three thing which enters in leaves during the process of photosynthesis are
i) water
ii) carbon dioxide
iii) raw material of photosynthesis
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An investigation is carried out into the effect of temperature on the activity of lipase. Separate tubes of substrate solution and enzyme solution are left in temperature-controlled water baths for ten minutes before mixing. Why is this done?
A- To activate the enzyme.
B-To allow time for the enzyme and the substrate to react.
C- To control the independent variable.
D- To keep a standardized variable constant.
Help is always appreciated, thank you!
Answer:
not sure maybe b it sound right otherwise sorry
I need help with this problem
Answer:
d) Organic molecules make up most nonliving things.
Explanation:
Nonliving things are not organic so they would not have organic molecules.
The interaction of Rhizobium bacteria with root nodules of legume plants is called
Answer:
Symbiotic association
Answer:
Symbiotic association
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Explanation:
All of the following are occupations available to psychologists with a master’s degree except __________. data collector in universities counseling psychology professor industrial/organizational psychologist a therapist whose clinical work is supervised
Answer:
b for 2020 online
Explanation:
All the following are occupations available to psychologists with a master’s degree, except counseling. The correct option is B.
What is psychology?Psychology is a subject of science that deals with the mind and behavior. It includes the conscious and unconscious section of the mind. The feelings of the people and the effect of trauma and other things on the behavior of a person come under psychology.
A psychologist is a doctor or expert in psychology. These people talk to the patients or counsel them and treat their psychological problems of them. They also prescribe medicines. The psychologist with a master's degree can not counsel the patient because he is not ready yet.
Thus, the correct option is B, counseling.
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I NEED THIS ASAP! Myra is reading an article about the success of introduced species of animals into the United States. Which person is most likely considered the authority on the subject? a zoologist a microbiologist a physicist a chemist
Answer:
i would say zooologist
Explanation:
because it talks about animals
✅A zoologist✅
Myra is reading an article about the success of introduced species of animals into the United States.
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Why is oxygen more likely to form a polar covalent bond than other elements?
A Oxygen is slightly positive when it forms a covalent polar bond, which is its preferred electrochemical state.
B Oxygen has a high electronegativity and holds shared electrons more tightly than other atoms.
C Oxygen donates its electrons when forming covalent bonds, which are more easily breakable than ionic bonds.
>
D Oxygen has eight protons that strongly attract neutrons from small atoms such as hydrogen.
Oxygen is more likely to form a polar covalent bond than other elements because it tends to hold shared electrons more tightly than other atoms.
The polarity of covalent bonds depends on the magnitude of electronegativity difference atoms in the covalent bond. Recall that covalent bonds are formed by sharing of electrons between atoms.
Since oxygen is highly electronegative, it tends to hold shared electrons more tightly than other atoms. Hence, oxygen is more likely to form a polar covalent bond than other elements.
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Which of the following is NOT a result of affluence that is harmful to the
environment?
When a woman goes into the first stage of labor, the oxytocin level in her plasma is 40 pg/ml, but during the second
stage of labor it is 123 pg/ml. Once the baby has been delivered the mother's oxytocin level is 64 pg/ml. Which type of feedback
mechanism is occuring?
A. Negative feedback
B. Positive feedback
Answer:
Positive Feedback
Explanation:
A positive feedback mechanism occurs in a contraction of uterus during childbirth.
What is a feedback mechanism?"It is a physiological regulation system in a living body that works to return the body to its normal internal state (or homeostasis)."It is of two types: positive feedback mechanism and negative feedback mechanism.In positive feedback mechanism: when activation of one component leads to the activation of another, it is known as positive feedback.
Example: During childbirth, the oxytocin level of a women into her first stage of labor is 40 pg/ml for uterine contraction, which activate more release of oxytocin for further contraction.In negative feedback mechanism: when activation of one component leads to the inactivation of another, it is known as negative feedback.
Example: when blood glucose level increase, the insulin are secreted which lowers the glucose level in blood.Hence, the correct option is: B. Positive feedback.
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What is unique about the deep ocean vents related to the factors for life to exist?
Name a structure that is located toward the dorsal side of the body, lateral and superior to the hamstring but inferior to the heart. Note: Transverse sections including this structure would include the pancreas.
Answer: Kidney
Explanation:
Kidney is a structure that is located toward the dorsal side of the body, lateral and superior to the hamstring but inferior to the heart.
The kidneys are a pair of bean shaped organs that are located at the downward part of the rib cage. The body of humans consists of two kidneys one kidney on each side of the spine and they're responsible for the filtering of excess water, waste products, and other impurities out of the human body.
If a study showed that students have more hours in a drivers education class have fewer accidents this would be a(n)
A. Positive correlation
B. Casual relationship
C. Ambiguous correlation
D. Negative correlation
Answer:
The correct answer is option D. negative correlation.
Explanation:
Negative correlation is a correlation in where the relation between two variables is in such way that if one increases the other variable will decrease and if other variable will increase the first variable will decrease similarly.
In this case the first variable that is hours in driver education class shows increase than the chances of accidents decreases by that students which suggests there is a negative correlation.
Thus, the correct answer is option D. negative correlation.
Please answer all the questions
Answer 1. A hypothesis is a prediction you create prior to running an experiment. The common format is: If [cause], then [effect], because [rationale]. In the world of experience optimization, strong hypotheses consist of three distinct parts: a definition of the problem, a proposed solution, and a result:Hypothesis testing is an essential procedure in statistics. A hypothesis test evaluates two mutually exclusive statements about a population to determine which statement is best supported by the sample data. When we say that a finding is statistically significant, it's thanks to a hypothesis test.
2....
When an LDL particle is taken up by the cell, what impact will this have on the regulation of de novo cholesterol synthesis?
A. Transcription of HMG-CoA reductase will be elevated
B. SREBP will be inhibited by Insig in the endoplasmic reticulum
C. HMG-CoA reductase will be dephosphorylated
D. SREBP will be active in the nucleus
Answer:
C. HMG-CoA reductase will be dephosphorylated
Explanation:
When a low density lipoprotein particle is taken up by the cell, the impact it will have on the regulation of de novo cholesterol synthesis will be HMG-CoA reductase being dephosphorylated.
HMG-CoA( 3-hydroxy-3-methyl-glutaryl-CoA reductase) is an enzyme which aids the synthesis of lipids. When the lipids are produced and taken up by the cells then the effect of the synthesis stops to avoid excess synthesis and to allow for the action of enzymes which will act ok them in the cells . This is why it leads to a dephosphorylation of the enzyme which stops the action.
Which of the following is a prediction created based on the background information and observations?
a. Data
b. Conclusión
c. Deductive reasoning
d. Hypothesis
Which is the least important base in the anticodon? (Remember to count 5' to 3'!)
a) First
b) Second
c) Third
d) They are all equally important
Answer:
c
Explanation:
The least important base in the anticodon is the third base.
The first two bases of anticodons largely determine the amino acid that would be formed in most cases. The third base can be any of the purine or pyrimidine bases and the amino avid would remain the same. For example, the anticodon UCA, UCG, UCC, and UCU all code for the amino acid Serine.
The correct option is, therefore, c.
What is a problem in science
A. It is something that should be fixed
B. Its a guess you make about why or how a natural phenomenon occurs
C. Its a question you want to answer
The diagram shows structures that represent different levels of organization in a human. Which is the second smallest level of organization?
Answer:
Z
Explanation:
B
Explanation:
It just is
Humanity’s ecological footprint is already overburdening the Earth, but, approximately 1/3 of the world population lives on less than $2 per day. What are some possible solutions to providing sufficient resources for everyone without causing ecological collapse?
Answer:
Use of recycled products and renewable energy.
Explanation:
Use of recycled products and use of renewable energy are the solutions which provide resources to everyone and no damage cause to the ecological systems of the environment. By using recycled products have two advantages i. e. the product's price decreases and no pollution occurs while the use of renewable energy such as use of solar radiation for the production of electricity. With this energy, no pollution occurs in the environment and electricity can be provided to a lot of people with low cost.