Hot Student Stories

Biology

What is the skeleton of an embryo mainly composed of?

Eric Morgan

follow
followin
1 answer
3 views

Photosynthesis is to chloroplasts as cellular respiration is to a.chloroplasts b. glucose c. mitochondria d. lactic acid

Kyle Mckinney

follow
followin
1 answer
4 views

During the calvin cycle, carbon dioxide is _____ to drive the formation of sugars. see section 10.4 ( page 224) .

Ashley Howard

follow
followin
1 answer
4 views

The amount of sunlight received at Earth's surface fluctuates more at the poles than the equator. T F

Kristi Hammond

follow
followin
1 answer
2 views

1. A unicellular organism with no nucleus is a 2. The type of infection in which a virus does not immediately start replicating itself, but inserts a piece of DNA into the host cell’s genome which becomes activated at a later date is called a 3. A spiral or corkscrew-shaped prokaryote is called 4. The thick internal wall that can enclose a prokaryote’s DNA and some cytoplasm when conditions are unfavorable is called a

Cynthia Baker

follow
followin
1 answer
4 views

WILL GIVE ABRAINLEST Which is a byproduct of using hydrogen fuel? water electricity smog carbon dioxide

Victoria Fowler

follow
followin
1 answer
2 views

Which is not considered a sex-linked trait? purple flower color in pea plants eye color in fruit flies red-green color blindness in humans hemophilia in humans

Alexa Spicer

follow
followin
1 answer
4 views

Which of the following are kinds of lipids? A. Fats, phospholipids, and steroids. B. Fructose and Glucose. C. DNA and RNA

James Washington

follow
followin
1 answer
4 views

Which of the following is NOT a type of galaxy? a. spiral c. elliptical b. oval d. irregular

Curtis Rhodes

follow
followin
1 answer
4 views

Which step of a muscle contraction can be described as the shortest sarcomere??

Kathy Robinson

follow
followin
1 answer
5 views

Describe the phospholipid In the upper left part of the transparency

Ramon Kelly

follow
followin
1 answer
3 views

In general, the largest component of bog soils is . A. water. . . B. organic matter. . . C. air. . . D. living organisms. .

Karen Wright

follow
followin
1 answer
3 views

Creates clouds, snow, sleet, rain and hail A. Radiation. B. Conduction C. Convection D. Water Cycle

Zach Chandler

follow
followin
1 answer
3 views

Human activities _______. a. exacerbate the natural greenhouse effect b. create the greenhouse effect c. diminish the greenhouse effect d. eliminate the greenhouse effect

Craig Stewart

follow
followin
1 answer
0 views

What term includes all the biotic and abiotic elements in an area? A)ecosystem b. population c. biome d. organ

Deborah Edwards

follow
followin
1 answer
4 views

Which of the following nitrogen bases is unique to RNA? uracil thymine cytosine

Dana Keller

follow
followin
1 answer
4 views

Write three observations that could help you identify a fish.

William Cain

follow
followin
1 answer
9 views

What device can be used to make measurements globally?

Annie Barnes

follow
followin
1 answer
4 views

Which substrate is digested by the enzyme protease?

Mindee Nelson

follow
followin
1 answer
4 views

For each glucose that enters glycolysis, _____ nadh enter the electron transport chain.

Brandon Scott

follow
followin
1 answer
3 views

What process is similar in both fermentation and cellular respiration? A) aerobic ATP production B) electron transport chain C) glycolysis in the cytoplasm D) hydrogen ion pumping

Craig Stewart

follow
followin
1 answer
3 views

Environmental factors can influence natural selection because they can increase or decrease a. the number of chromosomes in an individual b. the number chromosomes in a population c. the amount of genetic variation d.the amount of genetic variation in a population

Samantha Barber

follow
followin
1 answer
4 views

How do scientists most often gain new knowledge?

Curtis Rhodes

follow
followin
1 answer
5 views

Explain how the destruction of forests affects atmospheric levels of carbon.

Curtis Rhodes

follow
followin
1 answer
3 views

In which structure is all the genetic information of an organism found? DNA gene codon protein A. DNA B.GENE C.codon D.protein

Ralph Lopez

follow
followin
1 answer
4 views

Osmosis involves which of the following processes 1) Movement of water up a concentration gradient 2)Movement of water across a cell membrane 3)Movement of solute up a concentration gradient 4)Movement of solute across a cell membrane

Cynthia Baker

follow
followin
1 answer
4 views

Moving through trophic levels _______. a. energy decreases b. entropy increases c. biomass decreases d. all of the above

Donald Ward

follow
followin
1 answer
17 views

What is a ridge-like deposit of sediment at the edge of a glacier?

Amanda Johnson

follow
followin
1 answer
4 views

Identify two places in the krebs cycle where a decrease in free energy is coupled with an increase in free energy

Deborah Edwards

follow
followin
1 answer
3 views

Ribosomes use the directions found in DNA to make _____. enzymes acids proteins sugars

Justin Parker

follow
followin
1 answer
3 views

Which process in respiration happens last? a.Glycolysis b.The electron transport chain c.Pyruvate processing d.The Krebs cycle

Melissa Norris

follow
followin
1 answer
4 views

Parthenogenesis is a method of reproduction in which ___. A. An edd develops after being fertilized by a sperm B. the parent animal divides into two new animals C. the offspring develops as an outgrowth of the parents body wall. D.an egg develops without being fertilized by a sperm

Alexa Spicer

follow
followin
1 answer
3 views

Why is digestion a necessary process for animals?

Deborah Edwards

follow
followin
1 answer
3 views

Which of the following statements accurately describes the process of dating Earth's history? A. Scientists use relative dating to determine the absolute age of a new fossil. B. Scientists use radioactive isotopes to determine the absolute age of a new fossil. C. Scientists use radiometric dating to determine the relative age of a new fossil. D. Scientists use index fossils to determine the specific years of age of a new fossil.

Kathy Robinson

follow
followin
1 answer
3 views

The diagnostic term fifth disease causes a slight red skin flush similar to:

Mindee Nelson

follow
followin
1 answer
5 views

Which best describes the effects of hurricanes?

Brandon Scott

follow
followin
1 answer
6 views

The measure of randomness or disorder in a system is known as Heat Entropy Enthalpy Free energy

Craig Stewart

follow
followin
1 answer
3 views

What is the role of a fungus’s fruiting body?

Zach Chandler

follow
followin
1 answer
7 views

Tracheal obstruction by a large piece of food typically involves obstruction of the ______. tracheal obstruction by a large piece of food typically involves obstruction of the ______. carina trachealis muscle larynx tracheal cartilage

Craig Stewart

follow
followin
1 answer
4 views

Bogs are characterized by _______.

Megan Page

follow
followin
1 answer
4 views

When you notice that someone has unusually blue eyes, you've noticed their A. hybridization. B. genotype. C. phenotype. D. allele.

Roger Moore

follow
followin
1 answer
0 views

What is the primary function of chloroplasts? A) regulation of gas movement between the leaf and the environment B)carrying out photosynthesis with the help of chlorophyll C) storing the carbohydrates produced by the cell

Ronald Miller

follow
followin
1 answer
4 views

Captive breeding programs are used to _______. a. replenish the wild populations of endangered species b. bring in revenue to zoos c. breed exotic pets d. increase the number of zoos able to house a species

Carlton Burgess

follow
followin
1 answer
9 views

Because they are manmade, fish farms are not considered fisheries. True or False

Amanda Johnson

follow
followin
1 answer
4 views

The La Brea Tar Pits are _______. a. a valuable source of petroleum b. filled with tar made from mammals c. filled with asphalt d. a and b only

Jennifer Patterson

follow
followin
1 answer
51 views

Where is the greatest amount of the world’s carbon found?

Ashley Howard

follow
followin
1 answer
5 views

What do the yellow labels (eumetazoans, bilaterians, etc.) represent??

Ashley Howard

follow
followin
1 answer
4 views

How are wetlands and aquifers related

Jessie Thompson

follow
followin
1 answer
4 views

Which of the following is not true concerning crop rotation? a. It reduces soil compaction by turning the soil. b. It grows different, dissimilar crops in series. c. It prevents the depletion of nutrients by any single crop variety. d. It improves soil structure and fertility.

Theresa Perry

follow
followin
1 answer
3 views