The segmented worms of the phylum Annelida
A) move by use of flagella.
B) have an open circulatory system.
C) are acoelomate.
D) display radial symmetry.
E) possess setae on each segment.
All of the following are parts of a flower except the
At the end of metaphase I, _ separate.
B) germ cells
C) sister chromatids
D) haploid chromatids
E) homologous chromosomes
Duchenne muscular dystrophy (MD) is inherited from an X-linked recessive allele. What is the
probability that a son
In bacteria, the cell wall is composed mainly of
A) various polysaccharides.
What is the main difference between protists and bacteria?
A) Bacteria are always gram-negative, protists are g
Luteinizing hormone (LH) and follicle-stimulating hormone (FSH) are
A) produced in both male and female humans.
B) produced in the ovaries.
C) produced in the testes.
D) only produced in female humans.
E) constantly secreted into the bloodstream of males.
THE DOUBLE HELIX
The Double Helix
THE DOUBLE HELIX
This research is about the DNA and RNA.
The purpose of the study is to discuss the reason why humans do not evolve with one central
repository of DNA rather than having it
Surface tension of water is due to
A) water molecules repelling each other.
B) ionic bonding.
C) the ability of water to act as a solvent.
D) ionization of water.
E) hydrogen bonding.
Rank the following chemical bonds from weakest to strongest:
Week 2 DiscussionCell Organelles
Nucleus: which contains DNA and is the control center of the cell.
Ribosome:Organelle in which amino acids that are hooked together to make the proteins.
Endoplasmic Reticulum: organelles that make Lipids,
Week 2 assignment Eukaryotic and Prokaryotic cells
The Distinction between Prokaryotes and Eukaryotes is consider to be the most important
distinction among groups of organisms. Eukaryotic cells contain membrane-Bound organelles.
For example: the nucleus
Week 8 Final: Water
Importance of Water
Week 6 Assignment: Similarities and Differences
Bacteria vs. Archaea
The size limitation I think comes from the trachea tubes themselves. As the insects body size scales up,
the trachea has to get wider, and the insects leg-joints act as a choke point the bigger the insect, the
larger a proportion of the total diameter of
Flowering plants (Magnoliophyta) are the most successful of all plant groups in terms of their diversity.
The group includes more than 250,000 species, and at least 12,000 genera.
"Before flowering plants appeared," says Dale Russell, a paleontologist wit
The shark and the dolphin are members of the kingdom Metazoa, the animal kingdom, which
includes all multicellular organisms. The way the vast majority of taxonomists categorize
organisms is now based on DNA similarly not based on morphology and lifestyle
Eukaryotic and Prokaryotic Cells
Eukaryote, any cell or organism that possesses a clearly defined nucleus. The eukaryotic cell has a
nuclear membrane that surrounds the nucleus, in which the well-defined chromosomes (bodies
containing the hereditary mater
The short answer is, researchers don't know exactly, although there are several hypotheses as to why
insects and other arthropods don't get bigger, said insect physiologist Jon Harrison, at Arizona State
University in Tempe.
The first hy
The Bacteria (eubacteria)
The Bacteria are prokaryotic cells. Like the Eukarya, they have membranes composed of straight
carbon chains attached to glycerol by ester linkages. They have cell walls containing
peptidoglycan, are sensitive to traditional anti
The stages of the cell cycle are divided into two major phases: interphase and the mitotic M
phase. M phase, Its a phase in which the cell divides into two daughter cells.
The G1, S, and G2 phases together are known as interphase.
G1 phase, in this phase
A consequence of asexual reproduction, which may have both benefits and costs, is that offspring are
typically genetically similar to their parent, with as broad a range as that individual receives from one
parent. The lack of genetic recombi
A baby with Tay-Sachs disease is born without one of those important enzymes, hexosaminidase
A (HEXA). So, as those fatty proteins build up in the brain, they hurt the baby's sight, hearing,
movement, and mental development. Some people carry the genetic
The founder effect and the bottleneck effect are special cases of genetic drif. The bottleneck effect
occurs when a large population undergoes a drastic reduction in size. For example, natural disasters such
as hurricanes, fires, or floods ca
There are many difference between the RNA and DNA;
DNA contains the sugar deoxyribose, while RNA contains the sugar ribose.
DNA is a double stranded molecule while RNA is a single stranded molecule.
DNA is stable under alkaline conditions while RNA is not
Tay-Sachs disease, also called Amaurotic Familial Idiocy, hereditary metabolic disorder that
causes progressive mental and neurologic deterioration and results in death in early childhood.
The disease is inherited as an autosomal recessive trait and occur
Learning what the human body needs to function at its full potential might just be important. The
human body is composed of many different groups of organism.
In this paper we will learn the differences between prokaryotes and eukaryotes cells.
Creation is the name of the Political party selected by me.
At creation we believe in advanced education for our future generation; without a
progressive education system our upcoming generation will fall behind, leading to
Life is valuable and composed of several properties. In this paper, we will discuss all the
nine properties and their functions.
All things are considered a living organism when they maintain the following
1. What is a particle accelerator? A machine such as a synchrotron or linear accelerator that
produces particles at near light speeds for use in the study of fundamental structure of
How do scientists use particle accelerators t
1. Name the three kinds of strength used to characterize materials AND give an example of
a material that are strong in each of these modes.
Answer Compressive strength ability to withstand crushing, Tensile strength ability
Frequency & Wavelength
1. Explain how medical magnetic resonance imaging (MRI) exploits the magnetic
properties of the nucleus.
Answer The nuclei absorb radio wave whose frequency is timed to coincide with the
rotation. By sending radio waves into the pat
Kaufman, R., and Forbes, R. (2002). Does your organization contribute to ~ocletyl In
M. Silberman (Ed.), The team and organization development sourcebook (pp.
213-224). New York: McGraw-Hill.
Kaufman, R., Oakley-Browne, H., Watkins, R., and Leigh, D.