Questions and answers by

Lebonbon

Questions (113)

3(−x+3)−2x+3=−38
1. 1 answer
2. 8 views
−2(3x−3)+4x−4=0
1. 1 answer
2. 7 views
4(2x−1)+4x−4=−32
1. 1 answer
2. 5 views
5(2x−5)−4x−4=−11
1. 1 answer
2. 6 views
8x−9=5x+9
1. 1 answer
2. 7 views
4x−4=2x+8
1. 1 answer
2. 7 views
−2x+8=−x+7
1. 1 answer
2. 7 views
10x−1=7x+26
1. 1 answer
2. 6 views
4x+6=5x+7
1. 1 answer
2. 6 views
Wolf spiders don't rely on webs to catch their food. Instead they hunt and ambush other organisms and have very keen eyesight.
1. 1 answer
2. 10 views
Despite its name, the Pacific sea horse is actually a type of fish. Its horse-shaped head gives it its name. This creature lives
1. 1 answer
2. 11 views
Despite its name, the Pacific sea horse is actually a type of fish. Its horse-shaped head gives it its name. This creature lives
1. 1 answer
2. 16 views
In a cell's membrane, the phospholipid heads point outward toward the environment and toward the interior of the cell.Why is
1. 1 answer
2. 11 views
Which statement is true of eukaryotes but not of prokaryotes?Responses They must contain a nucleus. They must contain a nucleus.
1. 1 answer
2. 14 views
The inner membrane of mitochondria consists of many folds.What is the purpose of this membrane? Responses increase the surface
1. 1 answer
2. 10 views
In a eukaryotic cell, where is most of the DNA located?Responses nucleus nucleus cell wall cell wall cytoplasm cytoplasm Golgi
1. 1 answer
2. 15 views
Which term names the process in which neurotransmitters are exported out of the cell?Responses exocytosis exocytosis osmosis
1. 1 answer
2. 13 views
The concentration of water is greater outside the cell than inside the cell.What will happen according to the process of
1. 1 answer
2. 12 views
Which phrase best defines diffusion?Responses active transport of particles up a concentration gradient active transport of
1. 1 answer
2. 20 views
Which statement is true of both active transport and facilitated diffusion?Responses Both occur in only one direction. Both
1. 1 answer
2. 12 views
Which structure would not be found in a prokaryotic cell?Responses nucleus nucleus cytoplasm cytoplasm cell wall cell wall cell
1. 1 answer
2. 13 views
Which term best describes the arrangement of different tissues together?Responses system system cell cell organ organ organism
1. 1 answer
2. 12 views
Where does most of the metabolic activity in the cell occur?Responses cell wall cell wall cytoplasm cytoplasm nucleus nucleus
1. 1 answer
2. 15 views
Which statement is part of the cell theory?Responses New cells arise from chemicals in the environment. New cells arise from
1. 1 answer
2. 11 views
32 divided 565 enter your answer as a mixed in the simpilest form
1. 1 answer
2. 14 views
−5(3x−3)+4x−5=−12
1. 1 answer
2. 9 views
−3(−2x−3)−3x+4=−2
1. 1 answer
2. 7 views
−4(2x+1)+4x+3=−17
1. 1 answer
2. 16 views
5(y+3)=35
1. 1 answer
2. 6 views
3(2y+6)=42
1. 1 answer
2. 10 views
2(2y−10)=20
1. 1 answer
2. 8 views
4z+1= 41
1. 1 answer
2. 8 views
−14= −21+ c/11
1. 1 answer
2. 7 views
−14=−21+ 11 c
1. 1 answer
2. 8 views
30=26− 6 a
1. 1 answer
2. 9 views
y/5 −34= −22
1. 1 answer
2. 7 views
−48−x=−39
1. 1 answer
2. 6 views
44=−11b+33
1. 1 answer
2. 8 views
−76=−3b−49
1. 1 answer
2. 7 views
∣x−2∣<9
1. 1 answer
2. 8 views
∣x+5∣≤8
1. 1 answer
2. 8 views
∣x+5∣≤7
1. 1 answer
2. 7 views
How does the surface area-to-volume ratio of a small cell compare to that of a large cell?
1. 1 answer
2. 8 views
Juanita is 13 years older than her cousin. The sum of their ages is no less than 103 years.What is the youngest age Juanita's
1. 1 answer
2. 21 views
Solve for t.−22t>66 Enter your answer, as an inequality,
1. 1 answer
2. 8 views
Solve for x.x+5.39>4.48 Enter your answer, as an inequality,
1. 1 answer
2. 9 views
Solve for x.9≤17−4x Enter your answer, as an inequality
1. 1 answer
2. 6 views
2/3x=10
1. 1 answer
2. 9 views
x-4.76=-7
1. 1 answer
2. 9 views
5+4/7(21+3x)=41
1. 1 answer
2. 8 views
Matt's father is 4 times as old as matt. If the sum of their ages in NO LESS THAN 75, what is the youngest Matt can be?
1. 1 answer
2. 15 views
At 1pm Henry leaves his house and heads north to the river. He arrives at 4.30pm. At the same time, his brother joe leaves their
1. 1 answer
2. 14 views
-6t>66
1. 1 answer
2. 9 views
x+2.14>7.54
1. 1 answer
2. 9 views
-3>6-2x
1. 1 answer
2. 8 views
7+2/3(2x+9)=23
1. 1 answer
2. 7 views
2/3x=5
1. 1 answer
2. 8 views
x-3.25=-5
1. 1 answer
2. 14 views
7+2/3(3x+9)=23
1. 1 answer
2. 8 views
X-1.25=-3
1. 1 answer
2. 7 views
Does active transport use energy?* 1 point Yes No
1. 1 answer
2. 9 views
How is facilitated diffusion different than simple diffusion?Facilitated diffusion uses proteins in the membrane to help move
1. 1 answer
2. 14 views
Does Facilitated Diffusion use energy?Yes No
1. 1 answer
2. 14 views
Do molecules stop moving when they’ve reached equilibrium?Yes No
1. 1 answer
2. 9 views
True or false: Osmosis is the diffusion of water.True False
1. 1 answer
2. 11 views
Which direction do molecules move in diffusion?Down the concentration gradient Up the concentration gradient They don’t move
1. 1 answer
2. 11 views
Does diffusion require energy?Yes No Maybe
1. 1 answer
2. 20 views
What is the cell membrane made up of?Mostly phospholipids with proteins, cholesterol, carbohydrates Proteins, DNA Phospholipids,
1. 1 answer
2. 10 views
Whats the volume formula of a cone?
1. 1 answer
2. 11 views
Whats the volume formula of a cylinder?
1. 1 answer
2. 12 views
whats the folume formula of a cylinder
1. 1 answer
2. 9 views
Which statement best explains how enzymes speed up chemical reactions?Responses Enzymes lower the activation energy of a
1. 1 answer
2. 18 views
Which statement best describes the role of DNA in an organism?Responses It lowers the activation energy. It lowers the
1. 1 answer
2. 10 views
Which option is the central structural component of an amino acid?Responses carbon atom carbon atom R group R group carboxylic
1. 1 answer
2. 14 views
Which organism is most likely to store extra glucose as starch?Responses cypress tree cypress tree human human cyanobacteria
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2. 18 views
Which molecule do mammals use to store extra glucose in their muscles?Responses glycogen glycogen starch starch myosin myosin
1. 1 answer
2. 14 views
What is one way that RNA differs from DNA?Responses It is single-stranded. It is single-stranded. It has no nucleus. It has no
1. 1 answer
2. 10 views
A scientist is researching the biochemical reactions that take place during digestion in frogs. The scientists is simulating
1. 1 answer
2. 18 views
Sickle-cell anemia is caused by a change in a single amino acid in the polypeptide chain.A change in which level of protein
1. 1 answer
2. 11 views
Which components are identical in all amino acids?Responses the R group the R group the R group, a single hydrogen atom, and an
1. 1 answer
2. 12 views
Which characteristic of a phospholipid membrane keeps the aqueous environment inside and outside the cell separate?Responses
1. 1 answer
2. 10 views
Long chains of carbon and hydrogen are characteristics of which molecules?Responses lipids lipids carbohydrates carbohydrates
1. 1 answer
2. 11 views
Which statement best describes starch and cellulose?Responses Plants use cellulose to store energy, while starch is used for
1. 1 answer
2. 14 views
Which statement best describes complex carbohydrates?Responses Complex carbohydrates are composed of unbranched ring structures.
1. 1 answer
2. 12 views
Which type of macromolecule is the sugar sucrose?Responses nucleic acid nucleic acid lipid lipid carbohydrate carbohydrate
1. 1 answer
2. 18 views
Which option describes the general ratio of the three primary atoms in a carbohydrate?Responses 1 carbon : 2 hydrogen : 1 oxygen
1. 1 answer
2. 20 views
How does diffusion help a cell maintain homeostasis?Responses It lets the cell know when it needs to produce more energy. It
1. 1 answer
2. 13 views
Why is diffusion considered a form of passive transport?Responses It has no effect on the health of the cell. It has no effect
1. 1 answer
2. 23 views
Which structure will you find in a prokaryotic cell?Responses Golgi body Golgi body mitochondrion mitochondrion nucleus nucleus
1. 1 answer
2. 13 views
Which mechanism requires energy?Responses diffusion of ions through a potassium channel diffusion of ions through a potassium
1. 1 answer
2. 15 views
Study the illustration. The small blue spheres represent water molecules.In which direction will water molecules move across the
1. 1 answer
2. 14 views
The sum of two consecutive integers is no more than 209.What is the largest possible integer?
1. 1 answer
2. 11 views
Jenny is eight years older than twice her cousin Sue’s age. The sum of their ages is less than 32.What is the greatest age
1. 1 answer
2. 15 views
The length of a rectangle is five times its width. The perimeter of the rectangle is at most 96 cm.Which inequality models the
1. 1 answer
2. 22 views
I looked at the way ahead. From our tent very steep slopes covered with deep powder snow led up to a prominent snow shoulder on
1. 1 answer
2. 17 views
We were climbing out over the tremendous South Face of the mountain and below us snow chutes and rock ribs plummeted thousands
1. 1 answer
2. 13 views
I watched our support party disappear down the ridge and then turned to examine our campsite more closely. It wasn’t really
1. 1 answer
2. 17 views
Read this sentence from paragraph 5 of the story "Lifetime Service."There was an entire front row of seating reserved for our
1. 1 answer
2. 12 views
When my grandfather returned from World War II, he married my grandmother and they settled in a new suburban town in the
1. 1 answer
2. 22 views
When my grandfather returned from World War II, he married my grandmother and they settled in a new suburban town in the
1. 1 answer
2. 14 views