Studied by 32 PeopleAmoebas and bacteria are grouped into different domains because __________
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Amoebas and bacteria are grouped into different domains because __________
bacterial cells lack a membrane - enclosed nucleus
The most unique properties of water result from the fact that water molecules __________
are polar and form hydrogen bonds
Which of the following is not directly involved in cell support or movement?
Lysosome
A glucose molecule is to starch as ___________
A nucleotide is a nucleic acid
Which best describes the structure of a cell membrane?
Proteins between two bilayers of phospholipids
If an intestinal cell in a grasshopper contains 24 chromosomes, a grasshopper sperm contains ______
12 chromosomes
Which of the following phases of mitosis is essentially the opposite of prophase in terms of nuclear changes?
Telophase
Which of the following is NOT a function of mitosis in humans?
Production of gametes from diploid cells
It is difficult to observe individual chromosomes during interphase because _________
They are in the form of long, thin strands called chromatin
Angiosperms are different from all other plants because only they have ______
flowers
While walking in the woods, you encounter an unfamiliar nonwoody flowering plant. If you want to know if it is a monocot or dicot, it would not help to look at the __________
size of the plant
Cellular respiration is the process by which _____
oxygen is used to transport chemical energy throughout the body
A person's unique DNA is carried within some of the cells and tissues of their body. These include all of the following except:
all (the intestines, blood, skin cells, and saliva) contain a person's DNA
You are feeling ill, so you visit a physician. The physician takes your temperature, blood pressure, and pulse and orders blood tests and urine analysis to determine more about your condition. The results of all these observations and tests will help the physician asses why your body is temporarily out of "normal" conditions or _________
homeostasis
The common term for the action of transferring pollen grains from an anther onto a stigma is _______
pollination
Which of the following is NOT an example of an angiosperm
Pine trees
The receptive surface for pollen is the _____
the stigma
All of the following floral parts are directly involved in pollination or fertilization except the _________
sepal
A structure such as a flower in plants, or a liver in animals, consisting of tissues organized to carry out a specific function is a(n)
organ
Which of the following is NOT one of the kingdoms included within the Eukarya domain?
Archea
This organism represented by the figure shown is
A bacteria
Organisms that make their own nutrients by capturing energy from nonliving resources (solar energy) are called
producers
Thinking about life's organizational hierarchy in a biological system, which of the following is the correct sequence from the smallest unit to the largest unit?
Atom - Molecule - Organelle - Cell - Tissue
A major difference between prokaryotes and eukaryotes is that although prokaryotes ______
have cell walls, eukaryotes do not.
A researcher collected a single - celled organism from birdbath water and grew the organism in a laboratory. The researcher the organism reproducing by cell division, which resulted in identical offspring generations. The organism exhibits
Asexual reproduction
Homeostasis means that
conditions inside a cell or organism remain within a constant range
Scientists have developed an ointment to decrease muscle inflammation after intense workouts or trainings. To test the product, 99 weight lifters are divided into 3 equal groups. Group 1 is given the actual ointment. Group 2 is given an inactive ointment that looks and smells like the active ointment, and Group 3 is not allowed to use any treatment. Group 2 has been given ________
a placebo
What is the advantage of the sphinx moth Xanthopan morgani by having an 8 - inch - long tongue?
It can reach nectar that no other pollinator can reach
The molecule of starch is different from a glucose molecule in this molecule
is complex carbohydrate polymer
The atomic number of an element is the number of ________
Protons in the nucleus
The first energy shell of an atom has one orbital. Therefore, it can contain a maximum of ________ electron(s)
Eight
In a covalent bond, atoms ________
Share protonsTh
The primary building block (monomer) of proteins is
an amino acid
The primary building block (monomer) of nucleic acid is
a nucleotide
The primary structural molecule composing a cell membrane is a(n)
phospholipid molecule
Some members of the Archaea domain are often referred to as extremophiles because many live in conditions of extreme _______
temperature, salinity, heat, and acidity
The molecule that contains the information for making a cell's proteins and must replicate itself during cell division __________
DNA
A part of a chromosome that attaches sister chromatids to each other is the _________
centromere
The process by which a sperm cell combines with an egg cell is ________
fertilization
The portion of the cytoskeleton that attaches, pulls, and guides the chromosomes during cell division is the ________
spindle fiber
While in biology lab, you observe, in both plant and animal cells, that some single cells are splitting but are still connected by a contractile ring has started to divide them. You conclude these cells are undergoing _________
Anaphase
In what phase of mitosis, is DNA replication accomplished
Cytokenisis
Referring to the diagram, the correct sequence for the phases of mitosis is...
Prophase, metaphase, anaphase, and telophase
The phase of mitosis in which the nuclear membrane breaks into small pieces _____
Prophase
The phase of mitosis in which the nuclear envelope re-forms is _______
Telophase
The phase of mitosis in which the chromosomes are aligned along the equator of the cell is _____
Metaphase
A prokaryotic cell _______
does not have a nucleus
The most prominent organelle visible in most eukaryotic cells is the ______
nucleus
