Biology » Page 25

Biology

Alonzo Meza

Photoelectrons with a maximum speed of 8.00 * 107 m/s are ejected from a surface in the presence of light with a frequency of 7.50 * 1014Hz. If the mass of an electron is 9.10 * 10-31 kg, calculate the maximum kinetic energy of a single electron, in joules.

7.28 * 10-23 J

5.82 * 10-15 J

2.91 * 10-15 J

3.41 * 10-16 J

Answer Answers (1)

Biology

Madison Hanson

Why is the Golgi apparatus in the cell?

Answer Answers (1)

Biology

Valentin

Fungi are necessary evil to humanity. discuss the pros and cons this assertion

Answer Answers (1)

Biology

Brock Doyle

You want to test the effect of sucralose on the growth of a plant. Design a study using the steps of the scientific method. What are the dependent and independent variables in this experiment?

Answer Answers (1)

Biology

Gabriella

Which of the following organisms does not rely on krill as a major food source?

Adelie penguins

Leopard seal

Humpback whale

Squid

Answer Answers (1)

Biology

Martinez

When a predator catches its prey, it may appear that the prey species suffers. But there are benefits to this type of interaction for prey species as well. What are two way in which the prey species might benefit from the predator hunting them?

Answer Answers (1)

Biology

Kody Galvan

What is significant about the amino acid methionine in protein synthesis

Answer Answers (1)

Biology

Orion

What are seven places that carbon exists?

Answer Answers (1)

Biology

Luke

What's the mass of a double mint gum?

Answer Answers (1)

Biology

Tucker Walls

Which phase of meiosis I is responsible for dividing the cytoplasm?

- prophase I

- metaphase I

- anaphase I

- telophase I

Answer Answers (1)

Biology

Elise

Phrase to make it true.

1. Gene regulation is the ability of an organism to control which genes are transcribed.

Answer Answers (1)

Biology

Randy Sanford

Which of the following are tenets of the cell theory

a. cells are the building blocks of life

b. cells all arise from pre existing cells

c. cells are the basic living units of structure an function

d. all of above

Answer Answers (1)

Biology

Emerson

What is incomplete dominance?

a. a condition in which both alleles of a gene pair in a heterozygote are fully expressed with neither one being dominant or recessive to the other

b. a relationship between different forms of a gene at a particular physical location on a chromosome

c. none of these

d. a form of inheritance in which one allele for a specific trait is not completely dominant over the other allele that ... ?

Answer Answers (1)

Biology

Jett Sanchez

Which of these pairings is correct? mitosis, part of asexual reproduction because it produces diploids mitosis, part of sexual reproduction because it produces haploids meiosis, part of asexual reproduction because it produces haploids meiosis, part of sexual reproduction because it produces diploids

Answer Answers (1)

Biology

Lukas

Describe the undesirable effects of land pollution due to insecticides (biological magnification)

Answer Answers (2)