Whack Your Brain

Hormones affect various processes in the body as they regulate the activities of organs, tissues, and cells. Which of the following statements is true about female hormones? They _____.

• A. act in very small amounts but estrogen must be dominant.
• B. are sometimes released by organs.
• C. cause pain and pelvic cramps.
• D. trigger headaches.

Tags

NGSS.HS-LS1-3

Physiological processes are commonly moderated via two distinct feedback mechanisms –positive and negative feedback. Which of the pairs of events and feedback regulation is incorrect?

• A. Childbirth: positive feedback.
• B. Lactation: positive feedback.
• C. Menstruation: negative feedback.
• D. Ovulation: negative feedback.

Tags

NGSS.HS-LS1-3

You felt hungry because you haven’t eaten your food for lunch trying to finish homework. Which of the following is the best response to the given stimulus?

• A. Continue work.
• B. Eat.
• C. Ignore the situation.
• D. Shout out loud.

Tags

NGSS.HS-LS1-3

Which birth control device is best used for safe sex?

• A. abstinence
• B. condom
• C. IUD
• D. pills

How do mutations lead to genetic variation?

• A. by changing the organism's appearance
• B.by changing the way that the organism reproduces
• C.by changing the organism's behavior
• D.by producing random changes in an organism's genetic code

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

A piece of each chromosome has broken off and been reattached to the other chromosome, resulting in an exchange. The process that occurs when a section of a chromosome breaks off and reattaches to another chromosome is known as_______.

• A. deletion
• B. inversion
• C. nondisjunction
• D. translocation

Cystic Fibrosis (CF) is a recessive inherited disorder that is associated with thick, sticky mucus in the lungs and trouble breathing, salty sweat, infertility in certain individuals, and a shortened life expectancy. This is the result of a mutation called __________.

• A. deletion
• B. insertion
• C. nonsense mutation
• D. substitution

Tags

NGSS.HS-LS3-2

A frame shift mutation is a genetic mutation that is caused by the insertion or deletion of a specific number of nucleotides that shifts the reading frame of the sequence. The insertion or deletion of how many nucleotides would cause a frame shift mutation?

• A.2
• B.3
• C.6
• D.9

Tags

NGSS.HS-LS3-2

What do you call the change or error in the gene?

• A. genetic engineering
• B. mutagen
• C. mutant
• D. mutation

Tags

NGSS.HS-LS3-2

Which of the following is a similarity between DNA and messenger RNA molecules? They both contain

• A. uracil
• B. double-stranded polymers
• C. phosphates
• D. the same sugar