during double fertilization two sperm cells fuse one sperm each with what?
What is egg cell and two polar bodies?
100
Bacteria and/or virus
What is a pathogen?
100
what tissues has the General structure as:
Sheets of tightly connected cells
and it's Functions are:
1. Protection
2. Selective barrier
3. Sensory information
4. Secretions
What is epithelial tissue?
100
Which type of hormones are hydrophilic (lipophobic)?
What is Peptide?
100
which of the following is not a part of a flower?
Carpels
Petals
Stamens
Sieve tubes
Sepals
What are Sieve tubes?
200
transport used to move pollen, not too effective. pine pollen often looks like Mickey Mouse with this form of transport.
What is wind transport?
200
how have pathogens evolved to get past plant defenses?
What is Changing the protein signal?
200
what tissues has the General structure as:
1. Sparse cells interspersed in an extra cellular matrix
and it's Functions are:
1. Binds and supports
2. chemical communication
3. transportation
4. attack invading pathogens
What is Connective tissue?
200
Ovaries and testes are examples of what kind of Gland?
What is endocrine gland?
200
a loose array of cells embedded in an extracellular matrix
What is Connective tissue?
300
what are these used for?
i. Feed the pollinators some portion of the pollen
ii. Trick the pollinator with false pollen
iii. Hide the pollen (but make it look promising)
iv. Feed the pollinator with Nectar (sugar water)
What is pollinator payments?
300
1. Skin care
2. Pepto bismol
3. Asprin
are uses of what?
What is salicylic acid?
300
what tissues has the General structure as:
Long thin cells arranged in parallel and Contractile proteins microfilaments.
What is muscle tissue?
300
Which type of hormones use second messenger systems to direct their actions?
What are Peptides?
300
Something gets Amped up until it stops, or solves the issue.
Example: a few platelets are attached to injury, which attracts more platelets which attracts fibrin, forms clot.
What is positive feedback?
400
what does the plant avoid by using these tactics?
a. Very specific pollen requirements
b. Very specific pollen
c. Chemically reject other pollen
d. Chemically reject own pollen
What is pollination by the wrong sperm?
400
what environment does the plant survive in by:
i. Projecting off roots
1. Pneumatophores
ii. having Tissues in petioles with large air spaces
What is extremely wet environments?
400
it is alive since it has cells and secretes....
What is Bone?
400
Only __________ have appropriate receptors. If a cell has the right receptor, the hormone binds and the receptor does the rest. Ifd the cell doesn’t have a receptor the hormone will have no effect on it
What are target cells?
400
hormone that is lipid-soluble
What is Steroid hormone?
500
what does
1. Water
2. Sunlight
3. Season
4. Temperature
determine?
What is when a seed can germinate?
500
a. Make proteins that their cells don’t respond to
b. Store it away from sensitive parts of cells
i. Vacuoles if water soluble
ii. On leaf surface if fat soluble
because of theses techniques a plant does not what
What is poison itself?
500
i. System that maintains a constant range of conditions in the body
ii. Effecter heats up, body temperature rises to normal
1. Like a thermostat
2. 1. Variable changes
3. 2. Sensor detects change
4. 3. Control center starts control
5. 4. Sensor controls the correction
this makes up what type of loop?
What is negative feedback loop?
500
A ______ deficiency causes the long bones to grow too little also the overproduction of the same causes the bones to grow too much
What is Growth hormone?
500
what Mnemonic is used to remember these?
Follicle-stimulating hormone (FSH)
Luteinizing hormone (LH)
Adrenocorticotropic hormone (ACTH)
Thyroid-stimulating hormone (TSH)
Prolactin
Endorphins
Growth hormones