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Rina

Questions (68)

Besides the placenta and yolkless eggs, early mammalian development has many more unique features:Rotational cleavage. Unlike,
1. 1 answer
2. 102 views
Mammals demonstrate many unique aspects of development. Internal development within the maternal body requires many adaptations
1. 1 answer
2. 80 views
The role of maternal factors (such as Vg-1, Xwnt-1, and VegT) packaged into the vegetal region of the Xenopus oocyte is:Selected
1. 1 answer
2. 86 views
The amphibian egg is radially symmetric along the animal-vegetal axis. What ‘breaks’ this symmetry?Selected answer will be
1. 1 answer
2. 86 views
In frogs, maternally packaged Xwnt-11 leads to nuclear localization of __________ in the __________, which in response signals
1. 1 answer
2. 93 views
Removing the ventral blastomeres from a four-cell amphibian embryo gives rise to an embryo lacking which tissue?Selected answer
1. 1 answer
2. 87 views
In frogs, maternally packaged Xwnt-11 leads to nuclear localization of __________ in the __________, which in response signals
1. 1 answer
2. 93 views
Which statement best describes a frog egg prior to fertilization?Selected answer will be automatically saved. For keyboard
1. 1 answer
2. 72 views
What causes a gray crescent to appear in many frog embryos?Selected answer will be automatically saved. For keyboard navigation,
1. 1 answer
2. 67 views
What is the term for cells in the marginal zone of Xenopus embryos that are thicker toward the inside and narrow toward the
1. 1 answer
2. 64 views
If a sperm penetrates a Xenopus egg at the lower right of the cell, which side of the cell will become the dorsal side?Selected
1. 1 answer
2. 74 views
Which structure develops directly from Xenopus organizer cells, not from induction by these cells?Selected answer will be
1. 1 answer
2. 77 views
If not influenced by any other tissues, what does ectoderm become?Selected answer will be automatically saved. For keyboard
1. 1 answer
2. 83 views
The following sentence is inaccurate, but it can be made accurate by exchanging two words within it.Beta-catenin is an embryonic
1. 1 answer
2. 66 views
Robert thought Barney’s problem resided in his Nieuwkoop center. What do you think?
1. 0 answers
2. 52 views
Create a flow chart/concept map showing the relationship between the following for development and activityof the organizer. a.
1. 1 answer
2. 63 views
How is the regional specification of mesoderm determined using β-catenin, VegT, Vg1, and Xnr?
1. 1 answer
2. 60 views
Create a flow chart/concept map showing the relationship between the following for development and activityof the Nieuwkoop
1. 1 answer
2. 68 views
Research DV axis formation in amphibians and answer the following questions:What causes neural induction?
1. 1 answer
2. 64 views
Research DV axis formation in amphibians and answer the following question:How is the organizer formed?
1. 1 answer
2. 59 views
Research DV axis formation in amphibians and answer the following question:How is the Nieuwkoop center formed?
1. 1 answer
2. 57 views
John and Heather Pipiens were very nervous. Heather had recently given birth to a good-sized clutch of eggs. Most of the little
1. 1 answer
2. 80 views
Concluding paragraph about tuberculosis
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2. 70 views
Classify the bone based on its' shape (irregular bone, long bone, flat bone, or short bone)1. Femur 2. Parietal bone 3. Ulna 4.
1. 1 answer
2. 131 views
Can you write a clear introduction about tuberculosis?Can you write a clear abstract about tuberculosis?
1. 1 answer
2. 79 views
Which activity gives access to natural resources but might lead to problems such as sinkholes? (1 point)O traditional hunting O
1. 18 answers
2. 4,753 views
Which phrase describes a dipole moment? (1 point)the separation of positive and negative charges the vibration of a molecule the
1. 9 answers
2. 4,631 views
Chemical Reaction System Unit TestUse the dissociation reaction to answer the question. Fe SCN2+(aq) = Fe3+(aq) + SCN- (aq) in
1. 5 answers
2. 1,308 views
spiderweb and a Kevlar jacket have some obvious differences. Which property is similar between the web and the jacket?
1. 8 answers
2. 2,064 views
Example of water displacement in real life.
1. 1 answer
2. 532 views
Examine the polynomial p(x)=6x^3+17x^2−24x−35.Use the Factor Theorem to identify which binomial is a factor of p(x). a.3x+5
1. 1 answer
2. 1,123 views
Unite 2 lecon 7 page 66 answers.
1. 2 answers
2. 621 views
The lab we are doing is: Determining the ENTHALPY of a Chemical Reaction.There are three reactions. Reaction 1: NaOH + HCl,
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2. 730 views
Four years ago, twice Athena's age was five less than her cousin's age. At present, the age of Athena's cousin is 18 years less
1. 2 answers
2. 637 views
What was so significant about the space race? and why is it still significant and important currently today as of 2016?
1. 0 answers
2. 383 views
Six friends share 4 apples equally. How much Apple does each friend get?
1. 16 answers
2. 14,058 views
A 12-V automobile storage battery has an internal resistance of 0.004 ohms. A) Find the current and power dissipation when the
1. 1 answer
2. 699 views
4 darts are thrown at the target. If each dart hits the target, How many different point totals are possible?
1. 1 answer
2. 708 views
Consider the titration of 100.0 mL of 0.260 M propanoic acid (Ka = 1.3 ✕ 10−5) with 0.130 M NaOH. Calculate the pH of the
1. 1 answer
2. 1,127 views
Consider the reaction between 60.0 mL of liquid ethanol (C2H5OH; density = 0.789 g/mL) and 28.0 L of O2 at 27.0°C and a
1. 4 answers
2. 600 views
Consider a body moving along a straight line, in the presence of an external force providingconstant acceleration a. In the
1. 0 answers
2. 999 views
Please help me on my previous question for math! I really need help!
1. 3 answers
2. 367 views
Find the cost of 999 kw-hr at 7.3 cents per kw-hr.
1. 7 answers
2. 413 views
Which of the following condition could result from years of smoking?a) tuberculosis b) emphysema c) empyema d) atelectasis
1. 1 answer
2. 986 views
Sam Quaker receives a salary of $300 per week plus a 5 and 1/2% commission on his sales. Last week he sold $3,880 worth of
1. 2 answers
2. 598 views
Complete and balance the following equations and identify oxidizing and reducing agents.S+HNO3---->H2SO3+N2O
1. 1 answer
2. 901 views
The length of the base of an isosceles triangle is one fourth the length of one of its legs. If the perimeter of the triangle is
1. 1 answer
2. 2,324 views
How would I go about solving for x in the equation:ln(4x-2)-ln(4)=-ln(x-2) Thanks in advance
1. 1 answer
2. 1,058 views
Rewrite 7pi/5 in degrees.
1. 1 answer
2. 377 views
Does everybody have a dark side? I need to write 4 paragraphs and I don't know how to start.
1. 1 answer
2. 448 views
Find the supplement of 8pi/17.
1. 3 answers
2. 778 views
A certain calculus student hit Mrs. Evans in the head with a snowball. If the snowball is melting at the rate of 10 cubic feet
1. 1 answer
2. 736 views
If your car gets 18 miles per gallon of gasoline, how many pints of gas will you need to take a 698- mile trip?I no that 1pt =
1. 1 answer
2. 1,550 views
My daughter Kim teaches and notes that the average student uses 75 sheets of paper every week.A) How many sheets will a student
1. 3 answers
2. 1,491 views
X I I I x I V10 1 1 1 x 1-5= 4 right above i have what each numerical # represents but i don't no if that's correct so far. How
1. 6 answers
2. 303 views
1) CCXIXC = 100 X = 10 I = 1 because there are 2 C's I added them together and I got 200 because there are 2 X's I added them
1. 7 answers
2. 578 views
1) 2/3 + 1/8 = 19/24I do not understand how they got 19/24 can you help me with the steps to show me how. Thank you
1. 1 answer
2. 358 views
I need Help with solving these problems. If you could show me the steps I think I will be able to get it.1) 0.87/0.2 = 4.35
1. 4 answers
2. 474 views
Samples of both surface soil and subsoil were taken from eight randomly selected farms in a county. The soil samples were
1. 0 answers
2. 599 views
A sociologist is testing the null hypothesis that the percentage of school superintendents who earn an annual salary of more
1. 2 answers
2. 908 views
Within groups, differences in intelligence are highly correlated with_______. Between groups, differences are highly correlated
1. 7 answers
2. 600 views
Genetics and what we inherit from our biological parents play a significant role in our intelligence level. In fact, researcher
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2. 591 views
Peter and Maria are adopting a child whose biological parents have low IQs. They want to know if this child, too is likely to
1. 4 answers
2. 579 views
sara overhears her 21 year old son, joe, telling his friends on the phone that he wants to with two girls he just met at the
1. 3 answers
2. 605 views
evolution has installed tendencies in our selection of a mate. Two of the strongest predictors in human mate selection today
1. 4 answers
2. 561 views
Parents can help their children acquire language by:a) reading and talking with them b) correcting every grammatical mistake
1. 5 answers
2. 864 views
Basic arthmetic is not an easy task for Jeanne. In fact, she has to work hard at understanding mathematical concepts. She finds
1. 7 answers
2. 594 views
I have to give a problem-solution speech on "Global Warming" what would i put into this?I need to point out some good solutions
1. 4 answers
2. 737 views

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