The drug that acts as an estrogen receptor modulator is tamoxifen.
In conclusion, the drug that acts as an estrogen receptor modulator is tamoxifen.
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What is the role of a control group in any experiment? A to communicate results
B to acquire new evidence
C to form a theory
D to compare data
What is the significance of mendel's experiments to the study of genetics?
The significance of Mendel's experiments in the study of genetics is Mendel's revelation significantly increased our understanding of how genes are passed down and inspired the creation of novel experimental techniques.Who was Gregor Mendel?
Gregor Mendel uncovered the basic principles of inheritance through his study on pea plants. He concluded that genes are inherited from each parent as separate, paired units.
Mendel observed how parental genes separated and if they showed up as dominant or recessive qualities in the children. Mendel created three laws of inheritance that characterized the transmission of genetic features through pea plant breeding before anybody knew genes even existed.
Mendel's revelation significantly increased our understanding of how genes are passed down and inspired the creation of novel experimental techniques.
Therefore, Mendel's discovery greatly expanded our understanding of how genes are handed down and encouraged the development of novel experimental procedures, which is the relevance of Mendel's experiments in the study of genetics.
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In order for natural selection to take place we must have one individual. a cloned species. the same traits. variety in a population.
Do cells come in different shapes and sizes ?
different cells come in all different sizes there are many different cells
Yes, cells come in all shapes and sizes.
Cells are of different shape,size and structure according to the function they needs to perform, each cells do different things.
Lupe is conducting an experiment to find out what type of antibacterial soap kills the most bacteria. in her experiment, lupe grows e. coli bacteria in ten different petri dishes. lupe then sprays 10 milliliters of an antibacterial soap on nine of the petri dishes. each of the nine petri dishes is sprayed with a different brand of soap. lupe doesn't spray any soap on the tenth petri dish. in lupe's experiment, what is the independent variable?
a. the brand of antibacterial soap
b. the type of bacteria grown
c. the tenth petri dish
The correct answer is "The brand of antibacterial soap "
An independent variable in an experiment is the variable that is changed by the scientist. Independent variables are also known as manipulated variables.
In Lupe's experiment, the independent variable is the brand of soap.
In controlled scientific experiments, only one variable should be changed at a time (i.e., there should only be one independent variable per experiment). If only one variable is changed, then it is possible to clearly relate experimental results to a particular variable.
Hanging from the posterior border of the soft palate is a cone-shaped muscular structure called the ____.
Which of these CORRECTLY explains the difference between the processes of photosynthesis and respiration? A) The Krebs cycle occurs only in the chloroplast.
B) Glycolysis takes place only in the mitochondria.
C) The Calvin cycle takes place only in the chloroplast.
D) The electron transport chain happens only in the mitochondria.
The correct answer would be C) The Calvin cycle takes place only in the chloroplast.
The major difference between photosynthesis and respiration is that photosynthesis takes place only in plants while respiration takes place in all the living organisms including plants and humans.
Green plants and few bacteria contain special organelle called chloroplast which enables them to perform photosynthesis.
Hence, Calvin cycle (light independent phase of photosynthesis) takes place only in plants that too in chloroplasts.
In contrast, Krebs cycle usually takes place in mitochondria in both plants and animals and glycolysis takes place in the cytoplasm of the cell.
The electron transport chain takes place in mitochondria in animals whereas in plants it takes place in both mitochondria and thylakoid membrane.
Select each correct answer. More than one answer may be correct. Meiosis, which occurs during sexual reproduction, allows for a great variety of possible gene combinations. Which of the following can increase genetic variation during meiosis?
A.) the exchange of genes during chromosomal crossover
B.)the transposition of a gene from one place in an organism's genome to another
C.)the duplication of a gene caused by an error in chromosomal crossover
D.) the deletion of a gene caused by an error in chromosomal crossover
The answer is A
What are the purposes of reflexes? - They allow infants to respond adaptively to their environment. - They are survival mechanisms, which are genetically carried. - They are movements that have an evolutionary purpose but are not necessary in the present day. - To help the infant exercise.
Answer: Option A and Option B
Reflexes can be defined as the mechanism by which the organism react to the external environment in response to the stimuli.
It is important for all the organism that tend to survive in the external environment. In infants these reflexes are very important because they cannot speak and their organs are not that much functional at that time.
Reflexes are survival mechanism for the infants to survive and they are carried genetically. Some infant have slow reflex and some have fast reflex it is based on the genetic factor carried by the parents.