Answer:
Mass Difference= Final Mass- Initial Mass
To find the “Percent Change in Mass,” divide the “Mass Difference” by the “Initial Mass.”
Explanation:
mitotic spindle fibers are composed of what cellular components?
Answer:
They are composed of microtubules
Explanation:
The mitotic spindle is a structure composed of microtubules which segregates chromosomes into the daughter cells during mitosis. A microtubule is a rope-like component of the cytoskeleton. The centrosome is an organelle that serves as a microtubule organizing center during cell division.
Which statement best summarizes the function of DNA?
-An RNA sequence hooks up with a particular DNA sequence.
-DNA consists of genes that give instructions for making proteins.
-O A single DNA molecule splits into two DNA molecules .
-Covalent bonds join smaller molecules into proteins.
Answer:
-DNA consists of genes that give instructions for making proteins.
What are the functions of the plant cell's parts. l will mark you the brainest.
Answer:
There are xylem vessels and pholem cell it is the major building block for the respiration and growth of plants
What is the function of the sporangium?
protects the mature gametes
protects the developing mother spore cells
forms haploid cells through mitosis
passes characteristics from one generation to the next
Answer:
protects the developing mother spore cells
Explanation:
got it right
The plant in a is a control plant. explane this statment
Answer:
sgxycghshdgfjdyshgxhfjzgdz
Which is the longest cell in human body?
Answer:
nerve cell
Explanation:
i did it and got 100
bio
is my answer correct ?
make a reflection paper about "limiting factors affect carrying capacity"
Answer:
Explanation:
Board of Education Curriculum Information:
1. Current Reality and Research*
In this course, students will engage in scientific inquiry, explore biochemistry, the cell, bio-energy,
mechanisms of genetics, and biotechnology. Students will also study change in organisms over time,
classification, and ecosystems. This course is designed to prepare students for A.P. Biology. Lab
experiences are an integral part of the course too. Common Core Literacy Standards for Science
and ISTE Technology Standards were reviewed and included.
2. Curriculum and Assessment Development and Revision
A. Curriculum Map/Pacing Guide – included in curriculum
B. Curriculum Development Review Feedback:
Content Leader review - [April 2015]
Director of Student Learning review – [April 2015]
Teacher/Administrator review-- [March 2015]
Curriculum Advisory Council review – [04/28/2015]
Academic Strategic Planning Committee review – [05/04/2015]
BOE First Reading – [05/21/2015]
BOE Second Reading/Approval – [06/204/2015]
Summary of curriculum and revisions: Last Curriculum Revision – [February of 2010]
Teachers used Course Level Expectation standards, previous curriculum, current curriculum
template, and content knowledge to develop this curriculum. The new curriculum supports
Biology standards as well as preparing students for A.P. Biology. The course continues to focus
on science transfer goals that transfer vertically among all science classes. It also supports the
Common Core Literacy Standards for Science and ISTE Technology Standards for Science.
This new curriculum is designed to increase rigor and relevance while preparing students to 21st
century learners. These students will be well prepared for semester exams and the Biology
E.O.C. exam.
3. Professional Development and Implementation
Professional Development Plan*
Teacher training dates ___TBD 2015-16___
Administrator training dates ___TBD 2015-16___
Approximate Expense ___$1400 ___
4. Evaluate Resources and Materials
Text Selection (if applicable)* 2016-2017
Approximate Expense_____$100,000____________
5. Monitor Implementation
Projected Date – 2017-2018 school year
6. Program Evaluation*
Projected Date – 2018-2019 school year
*see attached document(s)
PreAP Biology
Curriculum
Board Approved:
FHSD Academics SM PreAP Biology Date Approved ¨
Page 1
Francis Howell School District
Mission Statement
Francis Howell School District is a learning community where all students reach their full potential.
Vision Statement
Francis Howell School District is an educational leader that builds excellence through a collaborative culture that values students, parents,
employees, and the community as partners in learning.
Values
Francis Howell School District is committed to:
● Providing a consistent and comprehensive education that fosters high levels of academic achievement for all
● Operating safe and wellmaintained schools
● Promoting parent, community, student, and business involvement in support of the school district
● Ensuring fiscal responsibility
● Developing character and leadership
Francis Howell School District Graduate Goals
Upon completion of their academic study in the Francis Howell School District, students will be able to:
1. Gather, analyze and apply information and ideas.
2. Communicate effectively within and beyond the classroom.
3. Recognize and solve problems.
4. Make decisions and act as responsible members of society.
Science Graduate Goals
The students in the Francis Howell School District will graduate with the knowledge, skills, and attitudes essential to leading a productive,
meaningful life. Graduates will:
∙ Understand and apply principles of scientific investigation.
Which statement is true of carriers? Select all that apply.
A) They have one dominant allele.
B) They express the recessive trait.
C) They are heterozygous for a recessive disorder.
D) They can pass a gene for a recessive disorder.
B. They express the recessive trait
The carriers for a disease in a pedigree analysis is a heterozygous. They contain a dominant and a recessive allele. Thus, correct options are A, C and D.
What are genes?A gene is a segment of DNA that contains all the information for the development of organism. A carrier in genetics, is an individual who “carries” and can pass on to its offspring an allele associated with a disease and does not show symptoms of that disease. A carrier is an organism that carries two different alleles of a recessive gene and is thus heterozygous for that the recessive gene.
Dominant genetic disorders are those in which a mutation in just one copy of the gene pair is required for the disorder to develop. However, in recessive genetic disorders both alleles need to be recessive for the gene. This disease symptoms are only observed in case of homozygous condition.
Therefore, the correct options are A, C and D.
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microorganisms are found in nearly every environment and are said to be
Answer: microorganisms are found in nearly every environment and are said to be ubiquitous
Explanation:
Have a nice study time
In recent years, poaching in Africa has declined. Will the decrease of poaching lead to a return of more elephants with tusks in future generations?
7. What forearm muscle starts in the arm and ends on the radius bone?
Answer:(:
Explanation:
brachioradialis
The epidermis of the leaf surface has the stoma that can help carbon dioxide diffusive inside the leaf with how many percents?
(sorry, my english is bad)
Answer:
27. 3%
As most c2 are being made on the leafs
Hox genes are regulatory genes in multicellular animals that code for transcription factors that determine the basic body plan in a developing embryo. They act as switches that turn other genes on and off. Scientists have found that a mutation in a fruit fly hox
gene produces flies with legs instead of antennae sticking out of their heads. Another hox gene mutation results in fruit flies with
two pairs of wings instead of one pair. Hox genes affect body plans by controlling the expression of many other genes
Many multicellular animals have the same hox genes. Which statement is evidence for this claim?
(1 point)
O There is a wide variety of body plans in complex animals.
o The body plans of complex animals are very similar to one another
The body plans of complex animals change over generations
The body plans of complex animals typically have a large number of mutations.
Hi! Welcome to Brainly! Thanks for asking a question!
So, based on the options provided in the question above, the correct option would be 'the body plans of complex animals are very similar to one another' or in other words Option B or 2.
Hope this helped! Happy holidays!
The correct option is The body plans of complex animals change over generations.
What are hox genes?
Hox genes are important regulators of how the animal body plan is organized. They contain transcription factors that when combined can give instructions to cells at various body levels on their potential morphological contributions.
In addition to its historical role in the anterior-to-posterior (AP) axis, HOX proteins also help to organize secondary axes and a number of different organs and tissues. Hox genes are grouped together in the genomes of many species that exhibit bilateral symmetry.
Because the sequence of genes in cis inside the cluster corresponds to the order of their expression domains along the various axes, this specific genomic architecture has functional significance.
Therefore, The correct option is The body plans of complex animals change over generations.
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which statement about mitosis and cytokinesis is true
Answer:
At the end of cytokinesis there are two daughter cells with a normal complement of diploid genetic material.
Explanation:
hope this helps you if it does please mark brainiest
why does sound travel fast in increased pressure?
Some bacteria are aerobic and others are anaerobic. What does this mean?
A.
Some use H2O (water), and others do not.
B.
Some use CO2 (carbon dioxide), and others do not.
C.
Some use air, and others do not.
D.
Some use O2 (oxygen), and others do not.
Answer:
D. Some use O2 (oxygen), and others do not.
Explanation:
Bacteria can either grow aerobically or anaerobically. Because of their ability to respire and ferment organic substances, these types of bacteria (facultative anaerobes), can continue growing in the presence or the absence of oxygen.
Hope this helps! Please Mark BRAINLIEST.
Answer:
They would perform aerobic processes.
Explanation:
When exposed to a lack of oxygen, facultative anaerobes develop metabolic processes with oxygen, like respiration. But in the absence of oxygen, they can develop processes like fermentation. When in oxygen, they prefer the use of it, because that's what makes them facultative, the fact that they're able to work in both circumstances. Otherwise, tolerants are able to survive but not to work properly, in different environments.
pls give brain.. PLS
what is the relation ship between the availabilty of resources and human population growth
Answer:
An increase in human population growth means there is an increased need for natural resources to supply the basic needs of the population.
Explanation:
which layer of the atmosphere has no definite outer limit?
Answer:
the stratosphere
Explanation:
Answer:
It is the Exosphere
Explanation:
The Exosphere is debated to even be a part of the earth's atmosphere since it fades out to outer space.
Are Dolphins social animals?
What are similarities and differences with other mammals
Any other interesting facts are welcome
Answer:
yes
Explanation:
yes twwnt y minutes long dolpin exercise tuna disg
Answer:
Yes
Explanation:
Dolphins are highly sociable mammals that establish close links with other individuals of the same species and even with dolphins of other species sometimes.
Similarities is that they live in water and they are Viviparous (animals that are born out of the womb)
Like every mammal, dolphins are warm blooded.
Unlike fish, who breathe through gills, dolphins breathe air using lungs.
The ________ variable is the observed or measured result.
Answer:
Hello, There!
QuestionThe ________ variable is the observed or measured result.
AnswerDependent Variables
Explanation:
Dependent variables are the factor that you observe or measure.
The dependent variable is the variable being tested and measured in an experiment and is dependent on the independent variable.Answer:
equal
Explanation:
got an 100 on quiz
BRAINLEST FOR EVER ANSWERS FIRST IN CORRECT
the center of a cinder cone/composite volcano will have a _____?
calderas
fumarole
conduits
crater
Answer:
Answer is the 2nd one
Explanation:
Not only 2nd th 3rd cause the fourth one and the first one is not quite right.
Human activities have caused both acid rain and a global increase in temperature, or global warming. How are these two effects--acid rains and global warming--related to each other? A. Acid rain is a side effect of global warming at the local level B. Acid rain is a side effect of efforts to reduce global warming C. Both acid rain and global warming are caused by the burning of fossil fuels D. Both acid rain and global warming are caused by increased levels of carbon dioxide in the atmosphere
Answer:
c
Explanation:
if there is fertilization, secretion of _____ by the early embryo maintains the corpus luteum.
Answer:
hormones
Explanation:
what will be the result if a eukaryotic cell completes mitosis but does not undergo cytokinesis?
A cell that completed mitosis but does not undergo cytokinesis PRODUCES one cell with two nuclei, each identical to the nucleus of the parent cell. Cytokinesis is the last phase of cell division.
Cytokinesis is the process by which a parental cell divides its cytoplasm to produce two genetically identical daughter cells, each one containing one cell nucleus.
Cytokinesis occurs in both types of cell division, i.e., mitosis and meiosis.
In animal cells, cytokinesis occurs by the emergence of a contractile ring that appears just beneath the cell membrane.
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How can you avoid or manage
Type 1 and Type 2 diabetes
Answer:
as we all know, diabetes can only be prevented by eating very very very less sugar. Diabetes type 1 and 2 can be prevented both by eating sugar free meals
A large protein needs to enter a cell to help preform a function explain what process the cell must use to allow the protein to enter and why
Answer:
The protein is too large to simply diffuse across the phospholipid bilayer of the cell, so it uses phagocytosis to diffuse across, where it is contained in a vesicle and pinched into the cell? Credits to yahoo answer. Hope I could help sweets.
Cell membranes acts as a barrier for the large,charged and polar molecules due to their hydrophobic nature.
These molecules are transported with the help of membrane proteins such as carrier proteins across the plasma membrane by a process known as facilitated diffusion. These membrane proteins diffuse larger molecules across the cell membrane that cannot be transported by simple diffusion.
Next to each cause of deforestation, suggest a solution from the text or an idea of your own.
(a) large-scale agricultural use-
(b) cattle grazing-
(c) high demand for wood products-
(d) commercial logging-
(e) "urban sprawl"-
(f) mining -
(g) subsistence farming-
Answer:
small scaleuxuxfxd6ifkyfiyfoyfoyfo6f6f6fof
Animal cells contain what structures
Answer:
Animal cells are typical of the eukaryotic cell, enclosed by a plasma membrane and containing a membrane-bound nucleus and organelles. Unlike the eukaryotic cells of plants and fungi, animal cells do not have a cell wall.
Explanation:
Answer:Animal cells are typical of the eukaryotic cell, enclosed by a plasma membrane and containing a membrane-bound nucleus and organelles. Unlike the eukaryotic cells of plants and fungi, animal cells do not have a cell wall.
Explanation:
A map of eastern North America, showing the pH of rainfall in the various states, indicates that the pH of rain in New York State varies from 4.22 to 4.40. According to these figures, the most acidic rainfall in New York has a pH of
Answer:
4.22
Explanation:
The lower the number, the more acidic.