TEAS SCIENCE

Breakdown of __ started in S intestine

fats

__ carries sperm and urine

urethra

What part of the kidney contains the glomerulus of a nephron?

Cortex

Which abx-secreting cells are triggered to proliferate upon vaccination?

B- Lymphocytes

What produces ammonia by deamination in the liver?

Proteins (amino acids)

Cross between 2 heterozygous F1 plants produces a ratio of 15:1 in F2 offspring. What is the ratio?

Modified dihybrid ratio

Matter where components can't be broken down into smaller parts?

elements

Simple replacement reaction?

AC + B

What stores urine before excretion?

Bladder

What is an irregularly shaped bone?

vertebra

What stage of embryological development are main germ layers(ectoderm, endoderm,
mesoderm) formed?

Gastrula

What directs skeletal muscles to do fight or flight?

sympathetic

Fermentation

Ex of an anaerobic process where sugar acts on a sugar solution to produce
CO2 & alcohol

Ball & socket joints are __-axial joints, which are highly mobile, allowing movement in __ axes and planes.

Multi-axial, multiple

Synovial joints

freely movable joints

What isn't a lymphoid organ?

Liver

What isn't part of rib cage?

Lumbar cartilage

T cells produced & matured?

Produced in bone marrow, matured in thymus

What is stable under alkaline conditions?

DNA

Taxonomy, large to small?

Kingdom, phylum, class, order, family, genus, species

power

energy/time

Mitosis

2 identical diploid cells

What bond between complementary bases of DNA stabilizes double helix structure?

Hydrogen

Spleen functions:

Lymphatic system

Kidneys remove \___ from blood?

salts

Kidneys to bladder? (ON TEAS)

Ureters

Nephridium in worms has function most similar to which organ? (ON TEAS)

Kidney

Electron microscope?

Structure of cellular organelles

What provides waterproofing functions for outer layers of skin?

Keratinocytes

What produces progesterone to prepare uterus for pregnancy?

Corpus luteum

Sesamoid bones?

Patellae

Protein breakdown begins?

Stomach

T cells mature?

thymus

Bands in muscle sarcomere formed by actin & \___?

Myosin

1 L\= 1000 mL

1000 cc

Food sources provides most of urea thats filtered through kidneys?

Meat & some plant products(legumes)

Bone to muscle? (ON TEAS)

Tendons

Steps in natural selection

-Overproduce offspring w variation in traits
- Differential survival in face of environment changes
-Preservation of genes of best adapted offspring

Cause of cell differentiation is that diff cells...

Express alternate genetic info

Chloroplasts originated from photosynthetic cyanobacteria becoming symbiotic of the host?

Chloro dna shows similarities to cyano dna

Lungs are covered by membrane...

pleura

What cells protect against UV radiation? (ON TEAS)

Stratum basale

Skeletal muscle contraction is stimulated by neurotransmitter \____, released by nerves
at neuromuscular junction? (ON TEAS)

Acetylcholine

Pancreatic cells have abundance of \___ to meet protein production demands?

Rough endoplasmic reticulum

Function of ribosome?

Use of genetic info to build specific proteins

If intensive property is independent of material being measured, what is intensive property?

Density

Enzymes are degraded into monomeric structural units, monomers...

Amino acids

Enzyme that breaks down complex carbs?

amylase

Hormone produced in ovaries?

estrogen

Part of S intestine?

Ileum

CO2 & blood pH levels during hyperventilation?

CO2 decrease, increase in blood pH

What indicates problem in kidney function?

Albumin

BP?

Ventricular

Metabolism? (ON TEAS)

Cellular respiration

Results only partly support hypothesis? (ON TEAS)

Consider other researchers biases

Sunlight damages epithelial cells but limited exposure to UV radiation results in (ON TEAS)

vitamin D

Stem cell→ largest \# of diff cell types?

Pluripotent

Hormone that increases heart rate bc stress?

Epinephrine (adrenaline)

Hormone that regulates sodium reabsorption in kidneys?

Aldosterone

Bile salts aid in digestion?

fat droplets

Function of neuron?

transmits sensory information

What converts proteins to amino acids?

Digestive system

Measurement across cell

Diameter

How many times stronger is the H+ ion concentration of pH 4 solution compared w pH 9
solution?

100000 (10^5)

Function of circulation system?

Transport hormones, oxygen, nutrients

Occurs during inhalation?

Diaphragm moves down, pressure decreases

Similar in function to cytotoxic T cells?

Natural killer cells

Gametes combine to form zygote?

Fertilization

Expected flow of blood from heart to organ?

Heart→ arteries→ narrow to arterioles→ deliver blood capillaries to organs

Organelles release energy in food?

Mitochondria

Efficient way to block protein synthesis by inhibiting?

ribosomes

Function of integumentary system?

storage of fat

Digestive system--release sodium bicarbonate→ S intestine→ change in pH of chyme to
basic?

Pancreas

Preventing infection when bacteria enters?

Immune system

Blood sample w infection?

High White blood cell count

Property of water explain solvent abilities for certain substances?

Polarity of water molecules

Fuzzy leaves dominant→ cross produces only smooth leaves

ffxff

organs filters solutes from blood

Kidneys

Double circulation system→ possible pathway of blood flow through pulmonary circuit?

oxygenated blood flows to the heart from the lungs

Cell in hypertonic solution?

Water flows out, shrinks

Excreted by sweat glands in response to breakdown of protein & formation of ammonia?

Urea

Bonds link base pairs nucleotides w double base strand of dna?

Hydrogen

A student conducts an experiment in which he dissolves 1.0 grams each of several
substances in 50 millimeters of water. He has 12 identical plastic cups of water. He
places 1.0 grams of salt into three of the cups, 1.0 grams of sugar into three of the cups
and 1.0 grams of backing soda into three of the cups. The three remaining cups contain
only water. He places all of the cups in a freezer and records the temperature of the
water in each cup every 15 minutes for 4 hours. Which of the following questions is the
student most likely testing?

What effect do different concentrations of solute have on the freezing point of
water?

Order of bone fracture healing?'

Hematoma → fibrocartilage callus → bony callus → bone remodeling

Organs bicarbonate in response to duodenum secretion?

Pancreas

.......... At the end of the experiment she finds that the IR treated plants are scorched the
UV treated plants have wilted and the white light treated plants are growing normally.
Which of the following statements is most likely to be correct?

Wavelength of light is they only variable that has been changed between the
groups

secretes fluid that protects/nourishes sperm?

Prostate; seminal vesicles

Gap between 2 nerve cells?

synapse

study found that two processes, process a and process b, to be correlated. Which of
the following is true for these processes?

The study does not indicate a causal relationship (correlation does not equal
causation)

Membrane associated w skin?

Cutaneous

Organic molecule w both amine & carboxyl group?

Proteins

CNS release chemical that regulate pituitary gland?

Hypothalamus

Process along proximal tubules of nephron?

Glucose, lactate, amino acids reabsorbed

Cells suppress immune responses?

Regulatory T cells

Dead skin cells

Stratum corneum

..... At the end of the 56 weeks the body weight of each participant was determined.
Which of the following best indicates the question that was being investigated in the
study?

is liraglutide effective for weight lose?

Critical feedback for scientists?

Peer reviews

Smallest atomic radius?

Carbon

Using the equation pH\= -log [H+], a solution with a [H+]\=10 ^-9 M has a pH of which of
the following?

9

Histones are proteins associated w ?

DNA