The diagram below represents a structure found in most cells.
What does section A in the diagram most likely represent?
O A. chromosome undergoing a mutation
B. part of a gene for a particular trait
C. protein composed of folded chains of base subunits
OD. biological catalyst

4. Lunar eclipses can only happen when Earth is in between the sun and
the moon.*
O a. True
O b. False

How are coffee farms a threat to migrating birds?
I’ll mark as Brainliest!

My dog whom I've had since before I was born is about to die. Does anyone have any help or tips? Thank you so much for helping. This means a lot.

Use the words, DNA, chromosome, and gene in a sentence.

which statement best describes the organization of the taxa shown in the image
A. as you move down the structure, the groups become more general
B. there are more organisms in each group as you move down the structure
C. as you move up the structure the group becomes more specific
D. as you move down the structure, there are fewer organisms in each group

In plants and animals, sexual reproduction causes variation
within a species. This variation is vital to their survival. How does
genetic variation affect a species' survival?
A. A species with variation is more easily found by predators.
B. A species that shows more variation will have a longer life cycle.
C. A species that has no variation might eventually become extinct.
D. A species without variation will overpopulate and produce new
species.

Select all that apply

regulate enzyme activity in metabolic pathways.

Neurons
Inhibitors
Glucose molecules
Lipids
Activators

Evolution of life on Earth can be most strongly linked to which of the following geological events?
A Changes in bodies of water
B Formation of fossils
C Movement of lithospheric plates
Movement of sediment

What is heat? ..........

look at the topographic map of calton hill below which side of the hill is the steepest

please help im boutta cry

once transcribed, eukaryotic mRNA typically undergoes substantial alteration that includes

(a) union with ribosome
(b) excision of introns
(c) fusion into circular forms known as plasmids
(d) linkage to histone molecules

Explain in brief the sensitive issues of general public about disaster?​

what organelles work together to produce proteins?

A. nucleus and ribosome

B.cell membrane and nucleus

C.mitchondria and ribosomes

D.Mitchinondria and vacuole​

The large claws on the Galapagos iguanas are an example
of an...
A. Species
B. Adaptation
C. Evolution
D. Competition

BIOLOGY DNA SECTION 1
1. Why does DNA replicate?

2. Is DNA replication describe as conservative or semi-conservative? Why?

3. What 2 enzymes are used during DNA replication? Describe what each does during replication.

4. When does DNA replication occur in a cell?

5. Where does DNA replication occur in a cell?

What are 5 benefits of solar power?

A student is shown a slide of cells from a species of a producer
in a food web. The student observes that the cells have
chloroplasts. What conclusion about the food web is best
supported by these findings?
o
A. The producers capture energy from sunlight.
B. The food web contains many herbivores and omnivores.
C. The food web is found in a terrestrial ecosystem.
D. The producers in the web are single-celled organisms.

The speed of a wave is 40 m/s. If the wavelength is 80 centimeters, what is the frequency of the wave?

4. There are three codons that signal the end of synthesis, these are called STOP codons.
What are the three stop codons?

Describe fertilisation in terms of cellular and intracellular changes. I will be very happy if someone answer this I will give them brainly and likes

Please help As soon as possible thanks so much!

Complete this sentence to create an argumentative claim .
Rosa Park's act of civil disobedience was a pivotal moment in the civil right movement

A) that brought national attention to the harsh realities of jim crow laws
B) that inspired other advocates of her generation and generation to come
C) and her efforts should be commemorated by putting her image on a pice of us currency
D) but at the time she did not know her single action would ignite a firestorm of protests and boycotts.

A scientist observes a geyser erupting. Which two objects must be interacting beneath the surface?
O well and spring
O spring and magma
O magma and groundwater
O groundwater and unsaturated zone

The tests and ovaries are structures in which of the following two body systems?
A. Reproductive and Muscular
B. Reproductive and Endocrine
C. Reproductive and Nervous
D. Endocrine and Nervous​

use the calculate in above to find the ratio of the following SIN BAD​

A science teacher asked students to describe and explain an internal adaptation that allows for a specific function. Students wrote the following:

Student 1: Leaf frogs can change their appearance to match their surroundings.
Student 2: Birds have hollow bones, enabling them to fly.
Student 3: Penguins live together in groups.
Student 4: Musk ox have thick, shaggy hair to protect them from cold temperatures.

Which student’s answer describes and explains an internal adaptation that allows for a specific function?
A - Student 1
B - Student 2
C - Student 3
D - Student 4

Help ill award branliest!
Is it possible to know the genotype of a purple flower just by looking at it? Explain why or why not.

Can someone give me the answer for both questions please:)

State the function of Bowman's capsule and glomerulus.​