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RideAnS [48]
3 years ago
8

Which statement is correct? Light can travel in a vacuum, and it travels faster if the light source is moving. Light can travel

in a vacuum, and its speed is constant if the source is moving or stationary. Light can travel in a vacuum and will travel faster if the light source is moving. Light can travel in a vacuum, and it travels more slowly if the light source is stationary.
Biology
1 answer:
Butoxors [25]3 years ago
6 0
<span>The correct statement is: Light can travel in a vacuum, and its speed is constant if the source is moving or stationary. Light isn't effected by a vacuum. </span>
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-describe the 3 steps of embryonic development (cleavage division, gastrulation, organogenesis)
julsineya [31]

Answer:

Cleavage, in embryology, in the first few cell divisions of the zygote. Initially, the zygote separates into the longitudinal axis. The second division is also longitudinal but at 90 degrees on the first plane. The process produces a multicellular embryo. It is an assembling process that divides the seed into developmental regions. Zygote cytoplasm includes chemicals that control gene expression.

Gastrulation is characterized as an early embryonic phase in which the embryo is converted from a one-dimensional layer of epithelial cells to a multilayer, multidimensional structure called the gastrula.

Organogenesis is a process of embryonic development that occurs at the end of gastrulation and lasts until birth. During organogenesis, the three germ layers formed by gastrulation (ectoderm, endoderm, and mesoderm) form the internal organs.

Explanation: Hope this Helps!

8 0
3 years ago
Adenylate cyclases (ACs) are the membrane-bound glycoproteins that convert ATP to cAMP and pyrophosphate.
sasho [114]

Adenylate cyclases (ACs) are the membrane-bound glycoproteins that convert ATP to cAMP and pyrophosphate.

When activated by G-protein Gs, adenylate cyclases (ACs), which are membrane-bound glycoproteins, catalyze the synthesis of cAMP from ATP.

Different AC isoforms are widely expressed in various tissues that participate in regulatory systems in response to particular stimuli.

Humans have 9 different AC isoforms, with AC5 and AC6 thought to be particularly important for cardiac activities.

Nitric oxide has an impact on the activity of AC6, hence the protein's nitrosylation may control how it works. However, little is known about the structural variables that affect nitrosylation in ACs and how they relate to G's.

We predict the cysteines that are prone to nitrosylation using this 3D model, and we use virtual ligand screening to find potential new AC6 ligands.

According to our model, the AC-Gs interface's Cys174 in G's and Cys1004 in AC6 (subunit C2) are two potential residues that could experience reversible nitrosylation.

Learn more about glycoproteins here brainly.com/question/9507947

#SPJ4

8 0
1 year ago
A chemical equation is shown below. Which substance below is NOT a product in this equation?
Reika [66]

Answer:

you didnt give us the equation

Explanation:

3 0
2 years ago
The letter e in evaporation comes from the Latin word ex, meaning "away." Vapor is Latin for "water vapor." What do you predict
DerKrebs [107]

Answer:the process of turning from liquid into vapor.

Explanation:

Evaporation is the process by which water changes from a liquid to a gas or vapor. Evaporation is the primary pathway that water moves from the liquid state back into the water cycle as atmospheric water vapor.

5 0
3 years ago
Prophase of meiosis I has some important differences from prophase of mitosis. These differences include: ___________BLANK pair,
Viefleur [7K]

Complete question:

Prophase of meiosis I has some important differences from prophase of mitosis. These differences include: ___________BLANK pair, and _________BLANK occurs.

A: chromatids; condensation

B.,chromosomes; separation

C. homologous chromosomes; crossing over

D. homologous chromatids; separation

Answer:

C. homologous chromosomes; crossing over

Explanation:

Prophase I of meiosis and prophase of mitosis are quite distinct with respect to the events occurring in the cells. Prophase-I of meiosis is a relatively long stage. The Zygotene stage of prophase-I includes the pairing of homologous chromosomes. This pairing is mediated by synaptonemal complex and the process is called synapsis. The paired chromosomes undergo the process of crossing over during the pachytene stage of prophase-I. In crossing over, the non-sister chromatids of the bivalents exchange some genetic material between them. The events of synapsis and crossing over do not occur during prophase of mitosis.

3 0
2 years ago
Read 2 more answers
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