Science Exam
What is the relationship between ml and a cubic centimeter?
1mL=1cm3
An irregularly-shaped sample of a rock is put on a balance and found to have a mass of 20 g. The student decides to ur the water-skis placement method to find the volume. The initial volume reading is 30 mL and, after the rock sample is added, the water level had risen to 40 mL. Find the density of the sample in g/cm3. (Remember: 1 mL= 1 cm3)
2 g/cm3
What chromosomes do females have
2 x chromosomes
How many chromosomes does a human egg cell contain?
23 chromosomes
How many chromosomes does a human sperm cell contain?
23 chromosomes
Each human body cell has how many chromosomes?
46
How many chromosome occur in a new cell formed when human male and female sex cells carrying genetic information unite?
46 chromosomes
How many chromosomes are in the body cells of a human organism?
46 chromosomes in 23 pairs
How many chromosomes are in the human body?
46 chromosomes in 23 pairs
What is the chemical equation for photosynthesis?
6CO2+6H2O➡C6H12O6+6O2- arrow=light
What is Ms.Bates saying about cats?
A dead cat is a good cat
A human egg cell has __ chromosomes, and a human sperm cell has __ chromosomes. The new cell that forms with fertilization which begins the new individual has __ chromosomes.
A human egg cell has 23 chromosomes, and a human sperm cell has 23 chromosomes. The new cell that forms with fertilization which begins the new individual has 46 chromosomes.
Energy in the cell is stored in the form of what chemical compound?
ATP
What do ligaments attach?
Bones to bones
What is the chemical equation for cellular respiration?
C6H12O6+6O2➝6CO2+6H2O+energy
What kind of chocolate does Ms.Bates like?
Dark chocolate no nuts
What organelle where ribosomes live and is a cellular highway?
E.R.
1 chromosome from each homologous pair comes from?
Each parent
What are Ms.Bates 2 favorite scientists?
Einstein & Archimedes
The Austrian monk & botanist who worked with pea plants in the early 1800s to determine patterns of inheritance was named what?
Gregor Mendel
In Human sex cells, each sperm & each egg individually must have __ chromosomes.
In Human sex cells, each sperm & each egg individually must have 23 chromosomes.
What is the formula for calculation of Density? Calculate density of an object that has a mass of 50g and a volume of 100 cm3?
M/V=D 0.5 g/cm3
The phase of mitosis that is characterized by the arrangement of all chromosomes along the equator of the cell is called what?
Metaphase
What do tendons attach?
Muscle to Bone
Why is the Garfield poster wrong?
Osmosis is the diffusion of water not knowledge & books aren't alive
Ribosomes, the smallest of the organelles can be found on the membranes of what organelle?
Rough E.R.
What is the organelle that appears to surround the nucleus and appears "pebbled" due to the presence of numerous ribosomes on its surface. Proteins synthesized on these ribosomes collect here for transport throughout the cell.
Rough E.R.
Pollen contains what gamete?
Sperm
Mitosis ends with what phase?
Telophase
What sports does Ms.Bates coach?
XC-track-soccer
What chromosomes do males have?
a x and y chromosome
2 different forms of same gene are called what?
alles
How are genotypes indicated in genetic notation.
alles
The physical traits of organisms are determined by genes that have different forms or versions. What are these alternate forms of genes called?
alles
What flower part is the male reproductive part that is responsible for producing pollen?
anther
What are the names of the male reproductive flower parts?
anther & filament
What happens during the process of diffusion?
areas of higher concentration head towards areas of lower concentration
Reproduction that involves only 1 parent or parent cll?
asexual reproduction
What are some examples of organs?
brain, heart, lungs, kidney, etc.
What does Ms.Bates collect that hangs in her room?
bugs
What is the lowest level of organization in the human body?
cell
What is the smallest unit that can perform all the processes necessary for life?
cell
Cells pass through different stages of their life. These stages are called what?
cell cycle
What part of the cell forms a protective barrier and separates the cell's contents from the cell's environment. It is made up of proteins, lipids, and phospholipids.
cell membrane
Which part of the cell control the movement of substances?
cell membrane
In plant cells, cytokinesis occurs immediately after what unique structure forms?
cell plate
The cell part that surrounds a plant cell and might be made of cellulose or chitin is what?
cell wall
What are the four levels of organization of living things?
cell, tissue, organ, organ system
Organelles in plant and algae cells that use carbon dioxide, water and sunlight energy in photosynthesis to make sugar and oxygen are called what?
chloroplasts
Genes are located on/in where?
chromosomes
The system that transport oxygen, nutrients, and other needed material to cells and transports wastes away from the cell, and includes the heart, blood vessels, and blood is what system?
circulatory system/cardiovascular system
What is the function of the nucleus?
controls the whole cell
What is the appropriate SI base unit for solid volume?
cubic meters
The fluid inside the cell is called what?
cytoplasm
What do we call the 2 new cells formed as a product of mitosis?
daughter cells
A trait that will override another inherited gene coding for a different version of characteristic is called what?
dominat
The system of glands that send out chemical messages to your body.
endocrine system
Cells that have a nucleus and membrane bound organelles are called what?
eukaryotes
What occurs when a sperm fuses with an egg inside the ovule?
fertilization
In the SI system what is the basic unit of measurement for mass?
grams-small objects kilograms-big objects
The passing of traits from parents to offspring is called what?
heredity
A pair of chromosomes that carry the same sets of genes are called what?
homologous chromosomes
Each individual pair of the 23 pair of human chromosomes carries DNA that codes for the same gene (for instance, eye color). These genes are at identical locations on each one of the pair, but chromosomes are not identical themselves. Each pair are called what?
homologous chromosomes
The volume of a solid box such as Kleenex box can be calculated how?
l x w x h
In the SI system what is the basic unit of measurement for liquid volume?
liters and milliliters
What is the basic unit of measurement for length or distance in the SI system?
meters and milmeters
If a cow eats grass which organelle in the cells of the cow will use cellular respiration to release energy stored in the grass?
mitchondria
The power source of the cell in which sugar is broken down to produce energy (ATP).
mitochondria
The system that moves the body, moves material through the body and attaches bones.
muscular system
The system that detects and responds to changes in environment, transmits information as electrical and chemical impulses throughout the entire body for instance communicating with cells in muscular tissue so that muscles contract and relax. It includes the brain and spinal cord.
nervous system
Does anyone have the same fingerprint?
no
The prominent structure inside the nucleus. This organelle produces ribosomes, which move out of the nucleus and take positions on the rough endoplasmic reticulum where they are critical in protein synthesis.
nucleolus
In a eukaryotic cell, a membrane bound organelle that contains the cell's DNA what?
nucleus
In a eukaryotic cell, an organelle that contains the cell's DNA and that has a role in growth, metabolism, and reproduction is what?
nucleus
What is the control in a experiment?
one element that isn't changed
The highest most complex level or organization listed is called what?
organ system
When the nose, mouth, lung, diaphragm, trachea work together to perform a function, they make up what level of organization?
organ system
A structure that is made up of two or more tissues working together is called what?
organs
When a wilted celery stalk is placed in 100% water it becomes crispy again due to water process?
osmosis
When water diffuses into or out of a cell the process is called what?
osmosis
Ovules are found where?
ovary
What flower part is the female reproductive part that contains the ovules?
ovary
What part of the reproductive system of a flowering plant becomes a fruit to protect the seed?
ovary
What part of the reproductive system of a flowering plant eventually becomes a seed?
ovule
In flowers egg cells are produced where?
ovules
What 2 materials are needed for cellular respiration?
oxygen & glucose
An organism's appearance based upon traits is known as what?
phenotype
An organism's physically expressed traits make up its what?
phenotype
In sexual reproduction in a flowering plant, which is the correct order of events?
pollination➡fertilization➡fruit forms ➡seeds disperse
What teams does Ms.Bates like?
predators-UT-Boston Red socks-Boston Bruins
A trait that will remain inactive in the presence of another trait is known as what?
recessive
The system that exchanges oxygen and carbon dioxide between the body and external environment and includes the nose, pharynx, larynx, trachea, bronchi, and lungs is?
respiratory system
What is the organelle within which proteins are manufactured (assembled)?
ribosome
Above-ground stems from which new plants can grow are called what?
runners-ex. Strawberry, ivy, blackberries
What flower part protects the bud before the petals open?
sepal
Why does Ms.Bates not like snakes?
snakes have no legs
The male reproductive part of a flowering plant is what overall structure?
stamen
The Female reproductive system of a flowering plant is what overall structure?
stigma
Where do hiccups occur?
the diaphragm
What is the top layer of skin called?
the emperdermis
Where does digestion start?
the mouth
What is the independent variable in a experiment?
the one variable that is changed
The skin is the largest organ in the human body. Why is skin considered to be an organ?
the skin has multiple different types of tissues working together to function
The main function of the petal is?
to attract pollinators
The main function of the anther is?
to make pollen
Underground stems that can produce new plants are known as what?
tubers-ex. Potato
What is the term for any organism with only one cell?
unicellular
The system that removes wastes from the bloods and regulates body fluids.
urinary system
What is the dependent variable in a experiment?
what is being measured or tested
When will water molecules move into a cell?
when higher concentration is outside the cell
What blood cells fight infections?
white blood cells
A student designed a device that turned on a light bulb. Thanks device included a battery, a switch, and the lights bulb. He used two different wire types that had an impact on the brightness of the bulb when he tested the device. What is the independent variable in the experiment?
wires
Do all mammals have hair?
yes
