7. How many chromosomes do humans have?

Answer:

46 chromosomes

Explanation:

Humans have 23 pairs of chromosomes, Which is a total of 46 chromosomes.

Answer:

Humans have 23 pairs of chromosomes, for a total of 46 chromosomes.Aug 15, 2020

Explanation:

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What is a potential risk of a long-term stationary front?

A. tornadoes

B. flooding

C. hurricanes

D. drought

Please help it’s due soon...

PLEASE HELP When do lunar eclipses occur?(1 point)


A. They happen every month during the new moon.


B. They happen infrequently during the full moon.


C. They happen every month during the full moon.


D. They happen infrequently during the new moon.

A plant can have green (G) or yellow (g) leaves. It can also have a long (K) or
short () stem. A scientist is preparing a Punnett square for a dihybrid cross
of a plant with a genotype GGKK. What possible gametes can the plant
produce?
O A. GG, Kk
OB. GK, Gk
OC. GK gk
OD. GK, Gk, gk, gK

Assuming the death rate remains constant, how many cubs must be born each year
to reach the tiger’s MVP of 5,000 tigers in two generations, or 25 years?

When was the last time the United States and Mexico fought a war? O A. 1903 to 1904 O B. 1939 to 1940 O C. 1846 to 1848 D. 1800 to 1804​

Does anyone know what the 4.06 module exam password and science is? I’m too scared to ask my teacher :-(

What is a non-renewable resource?
A. A resource that has already been used up
B. A resource that is infinitely abundant
C. A resource generated at a rate that
is much faster than it is used
D. A resource generated at a rate that
is much slower than it is used

The analysis of rRNA gene sequences to compare evolutionary relationships is known as
O molecular phylogenetic analysis.
O RNA sequence comparison.
O molecular evolutionary analysis.
O molecular clock analysis.

Given is a strand of DNA, fill in the corresponding RNA strand and find which amino acids that strand codes for.

Color blindness is sex linked recessive. (Use the XX and XY with superscripts in your cross) A man who is colorblind marries a woman who is a carrier for colorblindness. What is the probability that they will have a daughter who is colorblind?

how the petroleum come from the earth crust​

Rabbits reproduce in the spring. How do you think a period of cold springs will affect the rabbit population?

separation of dry sand,water and palm oil

Mangrove swamps are coastal wetlands found only in tropical zones true or false

Erythrocytes might the best of example of form equals function because they lack many organelles. What organelles are absent in erythrocytes?

12. What is the function of the vacuole? *
(1 Point)
A. sac that stores water, nutrients and waste products
B. sac filled with digestive chemicals
C. jelly-like substance within the plasma membrane
D. stack of membranes that package materials

How does this quote reflect the influence of Enlightenment ideas on the Founding Fathers?

Question 11 (1 point)
Saved
The simple one-celled organism seen here moves by streaming its cytoplasm into “false feet “ or pseudopods. It can easily change shape to move and engulf its food. What is the name of this animal-like protists?



Question 11 options:

amoeba


paramecium


euglenoid


Diatoms

Question 12 (1 point)
Saved
Both the euglena and paramecium seen here have___?



Question 12 options:

chlorophyll and are producers


projections that help them move


specialized cells to detect light.


a macronucleus and a micronucleus.

Question 13 (1 point)
We use yeast, seen below, when we make bread. Some warm water and a little sugar and yeast are ready to divide through budding. Each yeast cell is identical to its parent cell. This is similar to regeneration in protists. This is a form of __________ reproduction.



Question 13 options:

abiotic


asexual


genetic


sexual

Question 14 (1 point)
Lichens, like the one shown in the picture below, are usually combinations of algae and fungi that have a beneficial “mutualisic” relationship know as _____?



Question 14 options:

saprophytic


parasitic


symbiotic


autotrophic

Question 15 (1 point)
Fungi can be beneficial or destructive. One type of fungi, corn smut, attack grain plants like corn. What would likely happen to these crops when they are attacked by smut?



Question 15 options:

The crop yield is increased, because the fungi is symbiotic.


The plants stop reproducing


Results in huge crop loss, because the fungi is parasitic.

Question 16 (1 point)
Which letter from the fungus diagram represents the hyphae?



Question 16 options:

Point A


Point B


Point C


Point D

Question 17 (1 point)
Jimmy and Joanna were walking in their backyard and noticed a mushroom growing on the outside of a dead tree. Jimmy claimed that the mushroom was a plant, but Joanna said that it was not a plant, but a fungus.
In this case, what evidence BEST supports Joanna's claim?



Question 17 options:

The mushroom was a producer.




The mushroom was a autotroph.


The mushroom was a parasite.


The mushroom was a heterotroph.



Question 18 (1 point)
This is a unicellular protist called euglena. It lives in the water and swims around using the long flagella you see on one end. What do you, a complex multicellular human, have in common with the euglena?



Question 18 options:

They both can move.




Our cells are exactly the same.


Human cells move around using flagella.


The cells of multi cellular organisms must be in water also.

Question 19 (1 point)
A student performs an experiment to test the growth of bread mold. The student places four identical slices of white bread in individual plastic zip bags. Two of the slices are moistened with one pump of a spray bottle. The table describes the experiment and results.

What conclusion can be drawn from the experiment?



Question 19 options:

High moisture and low temperature encourage mold to grow.


Low moisture and high temperature encourage mold to grow.


Both low moisture and low temperature encourage mold to grow.


Both high moisture and high temperature encourage mold to grow

Question 20 (1 point)
How does the euglena differ from the paramecium?



Question 20 options:

Euglena are photosynthetic.


Paramecia use flagella to move.


Paramecia have an "eye spot" to detect light.


Euglena have both a macronucleus and a micronucleus

Question 21 (1 point)
Which organism is likely to live on the stump of a dead tree in a cool, moist, shady forest?

Question 21 options:

Diatoms


Euglena


Mushrooms


Paramecium

Question 22 (1 point)
Compare this fungus with the protist shown in the images below. How do they differ in the way they obtain nutrients?



Question 22 options:

Both organisms are autotrophs. The mushroom uses hyphae to get its nutrients and the amoeba uses the pseudopod instead.




Both organisms are consumers. The amoeba engulfs its food with it;s pseudopod, while the fungus absorbs food from the dead leaves using its hyphae.




The amoeba is a producer and obtains nutrients through photosynthesis; the fungus is a consumer and is decomposing leaf litter in the forest.



Question 23 (1 point)
Euglena, amoeba, paramecium: all one-celled protists. How does the amoeba move through its environment?

Question 23 options:

cilia


flagellum


pseudopod


hyphae

Plzzzzz help A teacher looks at his students test to see which topics his students are still struggling with. What is this a Observational Study or Survey or Experiment?

Please answer these questions as soon as possible.


5. What is an element?


6. What happens when neutral objects interact with charged objects?


7. Do positive and negative objects always move toward each other?


8. Will positive and negative objects repel each other?


9. Will there be an interation between the two?


10. Do light weight objects seem to be attracted to charged objects?


11. How does an objects charge affect it's interactions with neutral objects?

PLEASE HELP!!! THERE MAY BE MORE THAN ONE ANSWER!! please zoom in to read the question better!! thank you!!!​

1 point
Read the question and select the correct answer.
1
The diagram shows some cells.
cilia
LUNACO
cytoplasm
nucleus
Where are these cells found?
A alimentary canal
B blood
C bronchus
D plant roots
Ο Α
OB
Ос
OD
Moy
Page 3 of 8

Cellular respiration involves all of the following EXCEPT
A) the breaking down of molecules
B) breathing in and out
C) the release of carbon dioxide
D) the release of energy
E) the synthesis of ATP

Involuntary muscle includes _________.

A) skeletal muscle only
B) smooth muscle only
C) smooth muscle and cardiac muscle only
D) smooth muscle, cardiac muscle, and some skeletal muscle

Soil definition in my own words

Which organism is most likely to be found in a deepsea trench?Immersive Reader (1 Point) a. Archaebacteria b. Eubacteria c. Protist d. Fungus

1) what important lesson can we learn from Saturn?

2) what important role does Saturn play? ​

A table in a room is like a

B. Not alive
D. 46 Total
E Nucleus​

The energy that is not transferred to the next trophic level as biomass is not lost or destroyed. It is transferred to the __________. What word completes the sentence?