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WorksheetsBio12 midterm review
Total questions: 105
Worksheet time: 1hrs 27mins
An organ that produces secretions called hormones is known as a :
(a)
This gland is located between the lungs behind the sternum and secretes thymosin that helps mature WBC's in our bodies when we are children.
(a)
The process by which an organism’s internal environment is kept stable in spite of changes in the external environment.
(a)
What structure(s) shown in the picture above the kidneys?
(a)
What structure is this?
(a)
Cells that have receptors for a particular hormone.
gland cells
neurons
hormones
target cells
This structure releases what hormones?
insulin and glucagon
calcitonin and estrogen
Parathyroid hormone and antidiuretic hormone
epinephrine and testosterone
Hormones travel through the blood and encounter many cells. How do they affect ONLY target cells?
Target cells have receptors that match up with the hormone
Target cells send out signals that attach to hormones and draw them to the cell
Target cells have cell membranes with a different composition
Magic!
How do hormones travel through the body?
Through the food we eat
Through injects
through our blood
Thyroid Gland does what
make chicken juice
regulate metabolism
help breakdown sugar
Pineal gland
Chemical substances produced and secreted by the endocrine glands.
releases melatonin and regulates sleep
Pineapple flavor, please
What are hormones?
things that make teenagers moody
Chemical that help the body adjust to change.
chicken juices
This disease occurs when the Thryroid gland does not produce enough Thyroxine to meet the body's needs.
Gigantism
Hypoglycemia
Hypothyroidism
Diabetes
Letter I is pointing to
(a)
What is considered the Master Gland of the Body
(a)
What hormone helps glucose get into the cells?
(a)
Tired, constipated, cold, weight gain
hypothyroidism
hypoglycemia
hyperthyroidism
hyperglycemia
Regulates calcium levels in the blood
(a)
Produce hormones involved with male reproductive development
Thymus
Testes
Thyroid
Parathyroid
Function of parathyroid gland?
produces hormones that influence metabolic rate
decrease blood calcium
increase bone calcium levels
decreases bone calcium levels
Function of adrenal glands:
produces hormones that control BSL (blood sugar level)
control female characteristics and menstrual cycle
control male characteristics and sperm production
help prepare the body for stress
What is the function of ovaries?
control female characteristics and menstrual cycle
control male characteristics
produces hormones that control BSL (blood sugar level)
control blood pressure
What are the testes?
control menstrual cycle
produces hormones that control BSL (blood sugar level)
control blood pressure
control male characteristics
What is the endocrine system?
senses the hormone levels in the blood
controls all other endocrine glands
A group of glands that work together with the nervous system to coordinate all body functions
decreases bone calcium levels
stimulates secondary sex characteristics in males and stimulates sperm production.
(a)
In what form is carbohydrate stored in the liver?
(a)
High body temperature in humans is regulated by all these except
sweating
falling of skin hairs
vasodilation
vasoconstriction
Insulin and glucagon are produced by
the liver
the pancreas
the kidneys
Which one here reduces the amount of glucose in the blood?
Glucagon
Insulin
Glycogen
ADH
Which one is not a symptom of Type 1 diabetes.
tired
feeling very thirsty
frequent urination
weight gain
The normal human body temperature is
35 °C
37 °C
34 °C
40 °C
What hormone triggers sleepiness within humans?
(a)
A disease in which the body's ability to produce or respond to the hormone insulin is impaired, causing an increase in blood sugar
(a)
Cell metabolic rates are controlled by this hormone.
(a)
What gland produces growth hormone?
(a)
A ______causes and organism to react. The reaction is called a _______
stimulus, response
response, stimulus
impulse, neuron
neuron, impulse
Which hormone triggers the release of an egg from the ovary during the menstrual cycle?
Estrogen
Progesterone
Leutenizing Hormone
Follicle stimulating hormone
Which phase of the menstrual cycle is characterized by the shedding of the uterine lining?
Follicular phase
Ovulation phase
Luteal phase
Menstrual phase
Which hormone is responsible for thickening the uterine lining during the menstrual cycle?
Estrogen
Progesterone
Luteinizing hormone
Follicle-stimulating hormone
How does birth control pills affect the menstrual cycle?
It stops ovulation
It thickens the uterine lining
It reduces the level of estrogen and progesterone
It increases the level of follicle-stimulating hormone
Which part of the brain is responsible for regulating the menstrual cycle?
(a)
In response to glucagon production
The liver converts glucose to glycogen
The liver converts glycogen to glucose
produced in the interstitial cells of the testes; responsible for maturation of reproductive organs & secondary sex characteristics
(a)
Which of the following are considered secondary sex characteristics of males?
increased muscle mass
facial hair
deepening voice
testes
produced by the corpus luteum after ovulation. It helps to maintain the menstrual cycle.
Luteinizing hormone (LH) and follicle-stimulating hormone (FSH)
estrogens
progesterone
Secondary female sex characteristics include...
breast development
pubic hair
widening of hips
menstrual cycle
ovaries
What is the correct term for "the sequence of stages of growth and division that a cell undergoes"?
(a)
A cell spends most of its life in what stage?
(a)
The following describes (a) during mitosis. The spindle fiber splits the centromere and the chromatids move to opposite sides of the cell.
What phase of mitosis is occuring in the picture?
(a)
Fruit fly body cells have 8 chromosomes. After mitosis, you would expect a resulting fruit fly daughter cell to have _ chromosomes. (digit)
(a)
Name the phase:
(a)
What phase is this cell in?
(a)
Which phase of the cell cycle will you find chromatin? Select all that apply.
Interphase
Prophase
Metaphase
Telophase
Cytokinesis
Nuclear division is known as
caryokinesis
karyogenesis
karyokinesis
caryogenesis
The (a) holds the replicated sister chromatids together.
What is a series of events a cell goes through as they grow and divide?
(a)
What are the two filaments called which are involved in a muscle contraction?
Ca2+ & ATP
troponin & tropomyosin
titin & actin
actin & myosin
In genetics, the position of a gene on a chromosome is called its
locus
allele
trait
placement
A pair of chromosomes with the same locus
(a)
reproductive cell produced during meiosis that has the haploid number of chromosomes.
(a)
union of two gametes that produces a diploid zygote.
(a)
diploid cell that forms when two haploid gametes unite during fertilization.
What is any change in the sequence of DNA referred to as?
Mutation
Transcription
Replication
Translation
A human zygote should have (a) chromosomes inside.
How many daughter cells does Meiosis create?
(a)
What is a human body cell called?
haploid
somatic
germ
gamete
Nuclear envelope breaks down and crossing over happens
Prophase II
Metaphase I
Telophase I
Prophase I
Chromosomes gather at the poles and cytoplasm divides into two cells
Telophase II
Anaphase I
Telophase I
Metaphase II
Chromosomes line up in a single file line at the equator
Prophase II
Prophase I
Metaphase I
Metaphase II
Centromeres divide making sister chromatids into individual chromosomes and move toward poles
Anaphase II
Telophase II
Anaphase I
Telophase I
Nuclear Envelope forms around each set of chromosomes and cytoplasm divides, making 4 haploid cells
Anaphase II
Telophase II
Anaphase I
Telophase I
Why is meiosis important? (multiple answers)
Leads to genetic variety
Replaces cells quickly
reduces the number of chromosomes in a gamete for sexual reproduction
increases the number of chromosomes in a gamete for sexual reproduction
What phase is this?
Telophase I
Prophase II
Metaphase I
Anaphase II
What phase is this?
Metaphase I
Prophase II
Telophase I
Anaphase II
What phase is this?
Metaphase II
Prophase I
Telophase I
Anaphase II
What phase is this?
Metaphase II
Prophase I
Telophase I
Anaphase I
What phase is this?
Anaphase II
Telophase I
Telophase II
Anaphase I
What phase is this?
Prophase II
Telophase II
Telophase I
Prophase I
Which type of cell division occurs in prokaryotic cells?
Binary fission
Mitosis
Meiosis
Cytokinesis
What is the purpose of cell division in eukaryotes?
Repair
Replace
Reproduce
All of the above
What is the cell cycle?
The process in which cellular and genetic material from one parent cell is divided between two new daughter cells.
The process in which a new nucleus is created right before cell division.
The life span of a cell, including growth, reproduction, and programmed cell death.
The process that occurs in gametes in which the number of chromosomes is cut in half.
What is cancer?
The process in which two nuclei are formed, each with an identical set of chromosomes.
The result of a haywire cell cycle due to mutated genes.
The process that occurs in gametes in which the number of chromosomes is cut in half.
The splitting of a cell into two new cells.
What occurs during the S phase of the cell cycle?
DNA replication occurs, resulting in the duplication of chromosomes.
Cell division occurs, resulting in two daughter cells.
Protein synthesis occurs, leading to cell growth.
Chromosome segregation occurs, preparing for mitosis.
