Which substance is commonly found in a cell membrane?
O cellulose
O proteins
O RNA
O DNA

Answer:

O proteins

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Answer: Proteins

explanation

call membrane are composed primarily of fatty- acid- based lipid and proteins.

 Explain the difference in the function of plant and animal cell organelles, including cell membrane, cell wall, nucleus, cytoplasm, mitochondria, chloroplast, and vacuole

What is a mutation?
А: A process used in genetic engineering.
B :A type of continuous variation.
C: A condition caused by a dominant allele.
D : A change in a gene.

Which one of these is a mutation?

Frogs in a certain population can be either green or bright yellow. The green color allows the frogs to blend in with their surroundings better. Over time, however, more and more yellow frogs are being born. Which conclusion can be drawn about this population?

In the picture of the ocean floor, letter D marks what feature?
A Cavern
B. Rift zone
C. Deep ocean basin
D. Continental slope

Which cell is represented by the avocado's skin

How does the sun affect tides?

Using the image below, determine what type of solution the LYSED cell is in.
Captionless Image

a.
Not enough information is provided

b.
Hypotonic

c.
Isotonic

d.
Hypertonic

Cramps during exercise are caused by

PLZ HELP ITS EASY ITS DUE IN 5 MINUTES

1. Which statement is true about DNA?

a. DNA is an exact copy from parent to offspring.

b. DNA is not necessary for an organism to reproduce.

c. DNA contains genes that hold specific traits for an organism.

d. Organisms create their own DNA sequence that is not like their parents.

transcribe the DNA strand below into the RNA​

Plants that have both imperfect male and imperfect female flowers on a single plant are called (blank).

What is the name of a group of connected and related organisms? A. Flow B. Matter C. System D. Energy ​

1. An anatomy student was arguing with his grandfather. Granddad, who believed in folk wisdom, insisted that there are only five senses. The student, however, said that there are at least ten senses. Decide who is right, and then list all the senses.

Evolution can be described as the change in __________ frequencies of a __________ over time.

Which parts of the body help to make up the first line of defense for your immune system ?

a. white and red blood cells

b. Skin,breathing passages, mouth and stomach

c.T & B cells

d. Memory cells and antibodies

Compare and contrast the production of hydrogen through electrolysis and through the breakdown of methane

23) Tiny animals, called coral polyps, that secrete limestone create a.Barrier islands b.Coral reefs c.Swamps d. Salt marshes​

Which scientist made x-ray diffraction photos of DNA?
O Franklin
O Chargaff
O Watson & Crick

Which of these products is made from an animal product?
O A. A sisal rug
O B. Cotton jeans
O c. A linen jacket
O D. Leather shoes

Please help I will mark brainlest

What is the main reason we need protein in our diets

What is an adaptation?
O A choice made by humans about what organisms breed for advantageous traits.
O A trait that increases the fitness of an organism.
O Atrait that an organism acquires without genetic influence.

The table above lists the types of white blood cells found in humans, indicates how abundant they
are, and describes their functions.
The two most abundant types of white blood cells may both be involved in a response to which of
these?
A. allergens
B. heat
C. bacterial infection
D. injury

Which of the following is NOT a harmful side effect caused by erosion?

Question 3 options:

A)

loss of farmland


B)

dust storms


C)

landscape changes


D)

earthquakes

camn someone help me ​

A gardener crosses a snapdragon plant that has white flowers with a snapdragon plant with red flowers. All the offspring in the F1 generation produce pink flowers. The gardener crosses two of the plants with pink flowers, and the snapdragon plants of the F2 generation have red, white, and pink flowers. Infer reasons for the gardener’s observations.

Brown rabbits have the genotypes BB or Bb. White rabbits have the gene type bb. If two brown rabbits, with the genotypes seen in the punnet square above, have baby rabbits, what is probability that the baby rabbits will also be brown

HELP PLEASE!!!!!!!!!

Why might DNA mutation occur?
if the same amount of DNA remains
unchanged for too long
if there is a genetic code that tells the DNA to
mutate
o if DNA only receives information from one
gamete
O if there is a change in DNA that alters or
affects the genetic code
DONE

GIVING BRAINLIEST!!!!!PLS HELPP!!! :((


How does a duckling become a bigger and stronger adult duck?


A) Body repair
B) Warmth
C) Growth
D) Motion