08 Oct Which has/have the majority of calories as protein?

Which has/have the majority of calories as protein?

Lipids are insoluble in nonpolar solvents

Which has/have the majority of calories as fat?

If you refer t o a “heterozygous dominant” genotype, you are using an unnecessary extra word. “Dominant” is not a necessary addition to the term “heterozygous”.

What is the difference between osmosis and diffusion?

A nonpolar molecule will move across a semi-permeable membrane more rapidly than a polar molecule.

 

 

What is true of DNA, but not RNA? Select all that apply.

There is an -OH group at C2

Thymine is present as a nitrogenous base

Detection occurs using Dische diphenylamine

Cytosine is present as nitrogenous base

 

 

What event happens only in prophase 1?.

 

 

     9. Match each cell type with its correct shape.

 

Question

 

Cuboidal

 

Columnar

 

10. Why was Gregor Mendel’s work not appreciated in his lifetime?

 

 

 

  11. What is the difference between a gene and an allele? Select the best answer.

 

 

 

  12. If a man who is heterozygous for type B blood marries a woman who is heterozygous for type A blood, what are the possible blood types of their children? Select all that apply.

 

A

B

AB

O

13. What causes Brownian movement?.

 

14. Extra Credit (Not needed).

 

 

 

15. Which is a human example of codominance?

 

 

 

16. Epithelial tissues are classified on the number of layers and the shape of the cells.

 

 

 

17. When do primary oocytes form in a human female?

 

 

 

18. What group of macromolecules has C H O as 1:2:1?

 

 

 

19. Imagine that in Martians, having antennae is dominant to having no antennae, and having green skin is dominant to having translucent skin. if a Martian who is heterozygous for both traits marries a Martian without antennae and with translucent skin, what percent of their children would have antennae and green skin?

 

 

 

20. What is the Author name of your lab manual?

 

 

 

21. Which macromolecular class has many C-H bonds, but relatively little oxygen?

 

 

 

22. While a __________ accounts for a single observation, a ______________ accounts for a group of observations.

 

 

 

23. What is true of a dihybrid cross? Select all that apply.

 

Two traits are involved.

Four alleles will be observed per gamete.

Two alleles will be observed per gamete.

Offspring will receive four alleles (total) for the observed traits

 

 

24. which is true about the chromosome content of gametes?

 

 

 

25. What does it mean if two treatments are said to be “significantly different”? Select all that apply

 

The difference was very likely not due to natural variation

The means of each sample plus or minus half the variance do not overlap

The means of each sample plus or minus half the standard deviation do not overlap

The rangers overlap

 

 

26. An alternate form of a gene is a (n) ____________.

 

 

 

27. When viewing a section an organ through the microscope, you should expect to see only one type of  tissue?

 

 

 

28. Which is loose connective tissue?

 

 

 

29. You walk 4.5 meters to reach the sink in lab. What is the equivalent number of centimeters?

 

 

 

30. In which type of cells does mitosis occur? Select all that apply.

 

Liver cells

Cells that lines the intestines

Cells that form sperm

Cells that form eggs

 

 

31. Mendel’s First law is the law of __________.

 

 

 

32. What is true about science? Select all statements that apply.

 

It is a single entity

It generally contains bias

It is an orderly process

It proceeds by posing and answering questions

Results in scientific experiments are repeatable

 

 

33. An intermediate phenotype indicates that a trait has _____ dominance.

 

 

 

34. You have just been given the task of identifying a solution, the content of which is known only by your instructor. All you know about this unknown is that it is either a carbohydrate, a lipid, a protein, or a nucleic acid. You decide to run the unknown through the biochemical tests in this lab. Your results are summarized below. Based on these results, what is the identity of your unknown solution?

 

Test                                      Appearance of solution after the test

 

Benedict’s……………………….Clear blue

 

Iodine……………………………..Yellow

 

Biuret……………………………..Violet

 

Sudan IV………………………..Pink

 

Dische diphenylamine……..Clear

 

 

 

35. If a biologist asks another biologist how the first filial is, to what is he or she referring?

 

 

 

36. Mendel’s Second Law is the Law of ________.

 

 

 

37. The positive control for an experiment is any test tube with positive results.

 

 

 

38. Which variables affect the rate of diffusion? Select all that apply.

 

solubility of molecules

size of molecules

concentration gradient

polarity of molecules

 

 

39. What color is visible if iodine is in the presence of starch?

 

 

 

40. Consider the following. A model cell has 20% solute concentration and is in a 95% water solution. Is the cell hypertonic, hypotonic, or isotonic to the solution it is in?

 

 

 

41. Another name for adipose tissue is __________________.

 

42. The cells produced in oogenesis are equal in size.

 

43. When a gardener crosses a plant with red flowers with a plant with yellow flowers, orange-flowered offspring result. What mode of inheritance is exemplified by these flowers?

 

44. Which are functions of epithelial? Select all that apply.

 

A) Fluid secretion

 

B) Protection of underlying structures

 

C) Functions as a selectively permeable barrier

 

D) Surface area for sensory structures