Biology

Which of the following could result in the extinction of a species? harsh restrictions on poachersincrease in the habitat size of a speciesadding a new species to the habitatdecrease tourism in protected areas
1 Answer
you have an f2 generation derived from two true-breeding parents (aa and aa) with different characteristics for the same trait (determined by a single gene). what percentage of the recessive phenotype would you expect to be true breeding if they were self-fertilized?
1 Answer
we set up an experiment where the same species of plant is grown in boxes covered with plastic that only allows a single color of light through. in which box would we expect the least plant growth and even perhaps the death of the plant to occur?
1 Answer
Which era saw the emergence of major geologic faults and subduction zones?A. CenozoicB. MesozoicC. CretaceousD. Cambrian
1 Answer
Which type of contraction involves holding muscles still in a particular position?.
1 Answer
For each of the following DNA sequences, write the complementary RNA sequence.
1 Answer
1) What atoms are found in proteins and what atoms are found in nucleic acids?2) What are the monomers that make up a protein, and what are the monomers that make up a nucleic acid?
1 Answer
Your friend has you close your eyes while they draw letters on first the palm of your handand then the middle of your back. You have to guess what letters they are drawing. Forwhich area will you have better accuracy, and why?O The palm of your hand, because the neurons responsible for hand sensation fire more intenselyO The palm of your hand, because there are more neurons devoted to hand sensation.O The middle of your back, because the neurons responsible for back sensation fire more intenselyO The middle of your back, because there are more neurons devoted to hand sensation
1 Answer
What statements are true regarding the purple, blue and green dots in the extracellular space compared to the intracellular space?1. there is a lower concentration in the extracellular space compared to the intracellular space2. there is a higher concentration in the extracellular space compared to the intracellular space3. there is no concentration difference between the intracellular and extracellular spaces
1 Answer
if blood pressure is high, does the body increase or decrease dilation ?
1 Answer
calculate the fractional saturation for hemoglobin when the partial pressure of oxygen is 44 mm hg . assume hemoglobin is 50 % saturated with oxygen at a partial pressure of 26 mm hg and that the hill coefficient is 3.
1 Answer
1. What are the benefits of cleaning something to a level of cleanliness beyond what is required? What are some possible disadvantages of doing so?2. In 2001, endospores of Bacillus anthracis, the causative agent of anthrax, were sent to government officials and news agencies via the mail. In response, the US Postal Service began to irradiate mail with UV light. Was this an effective strategy? Why or why not?3. Why is the use of skin disinfecting compounds required for surgical scrubbing and not for everyday handwashing?
1 Answer
Beavers use tall willows for food and building dams. Predict the change in the number of beavers when wolves returned to Yellowstone Park.
1 Answer
Just need help with part C
1 Answer
optimizing the conditions and use of synthetic matrix for three-dimensional in vitro retinal differentiation from mouse pluripotent cells. tissue eng part c methods
1 Answer
1. At what temperature does this enzyme work the fastest?2. Why does enzyme activity increase on the left side of the graph?3. Why does enzyme activity decrease on the right side of the graph?
1 Answer
help me, lazy day :)
1 Answer
The tendon tap reflex can be elicited by a stretch in a muscle. What is the order of information flow from the primary sensory afferent to the lower motor neuron?.
1 Answer
The plasma membrane of __________ have a ruffled border with many deep infoldings, whereas __________ have long, thin, fingerlike cytoplasmic processes.
1 Answer
What is the purpose of a mantra?Question 13 options:To help people sleep.To help people argue.To help people explain emotions.To help people meditate.
1 Answer
What happens to the macromolecules when we digest them? What happens to the atoms?What specific molecule helps this process happen?
1 Answer
Question 7. Hemophilia is a blood disease caused by a mutated coagulation factorgene found on the X chromosome. Therefore, it is referred to as a sex-linked disease.People with hemophilia have severely reduced ability to clot their blood makingthem bleed easily from even the smallest injury. The recessive allele (the mutantallele) causes the disease, whereas the dominant allele does not. A woman withnormal blood but whose father had hemophilia ended up having a son and adaughter with a man who has hemophilia. (remember the birth sex of females is XXand the birth sex of males is XY). (2pts)(a) What is the probability that their son will have hemophilia?(b) What is the probability that their daughter will have hemophilia?(c) How would these probabilities be different if neither birth parent had hemophilia?
1 Answer
Which answer choice provides an accurate and objective summary of the article?
1 Answer
The location of the rotator cuff muscles in relation to the glenohumoral joint minimizes the upward pressure against the __________.
1 Answer